:root{--font-scale:1;--font:"Inter", "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", sans-serif;--bg:#f6f6fb;--bg-elevated:#fff;--surface:#ffffffd1;--surface-solid:#fff;--surface-2:#f1f1f8;--hover:#6366f10f;--active:#6366f11a;--text:#12131f;--text-2:#3b3d52;--muted:#6d7088;--border:#12131f14;--border-strong:#12131f24;--indigo:#6366f1;--violet:#8b5cf6;--pink:#ec4899;--primary:#6366f1;--primary-soft:#6366f11a;--grad:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--grad-soft:linear-gradient(135deg, #6366f11f, #ec48991a);--ink:#12131f;--ink-text:#fff;--success:#10b981;--warn:#f59e0b;--warn-soft:#f59e0b1a;--danger:#ef4444;--danger-soft:#ef444414;--focus:#6366f1;--mark:#facc1573;--radius-sm:10px;--radius:14px;--radius-lg:20px;--radius-xl:28px;--shadow-sm:0 1px 2px #12131f0a, 0 1px 3px #12131f0f;--shadow:0 2px 4px #12131f08, 0 8px 24px #12131f12;--shadow-lg:0 12px 48px #12131f24, 0 2px 8px #12131f0f;--glow:0 8px 32px #6366f159;--sidebar-w:284px;--ease:cubic-bezier(.22, 1, .36, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-theme=light]){--bg:#0b0c14;--bg-elevated:#14151f;--surface:#161723c7;--surface-solid:#161723;--surface-2:#1d1e2c;--hover:#8b5cf61a;--active:#8b5cf629;--text:#eef0fb;--text-2:#c9cbe0;--muted:#9497b3;--border:#ffffff14;--border-strong:#ffffff24;--primary:#818cf8;--primary-soft:#818cf829;--ink:#eef0fb;--ink-text:#0b0c14;--danger-soft:#ef444424;--warn-soft:#f59e0b24;--mark:#facc154d;--shadow-sm:0 1px 2px #0000004d;--shadow:0 8px 24px #00000059;--shadow-lg:0 16px 56px #0000008c;--glow:0 8px 32px #8b5cf666}}:root[data-theme=dark]{--bg:#0b0c14;--bg-elevated:#14151f;--surface:#161723c7;--surface-solid:#161723;--surface-2:#1d1e2c;--hover:#8b5cf61a;--active:#8b5cf629;--text:#eef0fb;--text-2:#c9cbe0;--muted:#9497b3;--border:#ffffff14;--border-strong:#ffffff24;--primary:#818cf8;--primary-soft:#818cf829;--ink:#eef0fb;--ink-text:#0b0c14}*,:before,:after{box-sizing:border-box}html{font-size:calc(100% * var(--font-scale));height:100%}body{background:var(--bg);min-height:100%;color:var(--text);font-family:var(--font);letter-spacing:.01em;-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 1;margin:0;line-height:1.7}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.01em;line-height:1.3}button,input,select,textarea{font:inherit;color:inherit;letter-spacing:inherit}button{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}::selection{background:#8b5cf640}kbd{font-family:var(--font);border:1px solid var(--border-strong);background:var(--surface-solid);color:var(--muted);border-bottom-width:2px;border-radius:6px;padding:0 5px;font-size:.7rem;font-weight:600}mark{background:var(--mark);color:inherit;border-radius:3px;padding:0 1px}code{background:var(--surface-2);border-radius:6px;padding:1px 5px;font-size:.85em}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--surface-solid);border-radius:8px;padding:8px 12px;position:absolute;top:-48px;left:8px}.skip-link:focus{top:8px}.muted{color:var(--muted)}.small{font-size:.84rem}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row-end{justify-content:flex-end}.spacer{flex:1}.loading{color:var(--muted);margin:auto}.gradient-text{background:var(--grad);color:#0000;-webkit-background-clip:text;background-clip:text}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}#root,.app,.app-fade{height:100dvh}.app{display:flex;position:relative;overflow:hidden}.main-col{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.screen{outline:none;flex-direction:column;flex:1;min-height:0;display:flex}.page{flex-direction:column;flex:1;min-height:0;display:flex}.splash{background:var(--bg);place-items:center;height:100vh;display:grid}.logo{align-items:center;gap:10px;display:inline-flex}.logo-mark{border-radius:28%;flex:none;display:block;box-shadow:0 4px 14px #8b5cf659}.logo-text{letter-spacing:-.01em;font-size:.98rem;font-weight:800}.aurora{pointer-events:none;z-index:0;position:absolute;inset:0;overflow:hidden}.aurora .blob{filter:blur(70px);opacity:.55;will-change:transform;border-radius:50%;position:absolute}.blob-a{width:46vmax;height:46vmax;animation:float-a 18s var(--ease) infinite alternate;background:#818cf8;top:-18vmax;left:-10vmax}.blob-b{width:38vmax;height:38vmax;animation:float-b 22s var(--ease) infinite alternate;background:#c084fc;bottom:-16vmax;right:-8vmax}.blob-c{opacity:.35;width:28vmax;height:28vmax;animation:float-c 26s var(--ease) infinite alternate;background:#f472b6;top:30%;left:45%}.aurora-soft .blob{opacity:.22}.aurora-soft .blob-c{opacity:.14}.grain{opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:absolute;inset:0}@keyframes float-a{to{transform:translate(12vmax,8vmax)scale(1.1)}}@keyframes float-b{to{transform:translate(-10vmax,-6vmax)scale(1.15)}}@keyframes float-c{to{transform:translate(-14vmax,10vmax)scale(.9)}}@media (prefers-reduced-motion:reduce){.aurora .blob,.action-card.is-primary,.guide-frame{animation:none}}.btn{cursor:pointer;white-space:nowrap;min-height:42px;transition:background .2s var(--ease), box-shadow .25s var(--ease), border-color .2s, color .2s, opacity .2s;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:.45rem 1.1rem;font-size:.92rem;font-weight:600;display:inline-flex;position:relative}.btn-sm{min-height:34px;padding:.25rem .85rem;font-size:.84rem}.btn-md{min-height:42px;padding:.45rem 1.1rem;font-size:.92rem}.btn-lg{min-height:52px;padding:.6rem 1.5rem;font-size:1rem}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--ink);color:var(--ink-text)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow)}.btn-secondary{background:var(--surface-solid);border-color:var(--border-strong);color:var(--text);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){border-color:#6366f166}.btn-ghost{color:var(--text-2);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--hover)}.btn-danger{background:var(--danger-soft);color:var(--danger);border-color:#ef444440}.btn-danger:hover:not(:disabled),.btn-danger-solid{background:var(--danger);color:#fff}.btn-gradient{background:var(--grad);color:#fff;background-position:0%;background-size:160% 160%;box-shadow:0 4px 16px #6366f14d}.btn-gradient:hover:not(:disabled){box-shadow:var(--glow);background-position:100%}.btn-active{background:var(--active)!important;border-color:var(--primary)!important;color:var(--primary)!important}.btn-arrow{transition:transform .25s var(--ease)}.btn:hover .btn-arrow{transform:translate(3px)}.icon-btn{min-width:36px;height:36px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:4px;padding:0 8px;transition:background .2s,color .2s;display:inline-flex}.icon-btn:hover{background:var(--hover);color:var(--text)}.icon-btn.is-on{background:var(--active);color:var(--primary)}.icon-btn-sm{min-width:28px;height:28px}.chip{border:1px dashed var(--border-strong);cursor:pointer;min-height:28px;color:var(--text-2);background:0 0;border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.8rem;transition:border-color .2s,color .2s,background .2s;display:inline-flex}.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.chip-small{min-height:26px;padding:0 9px;font-size:.76rem}.badge{background:var(--primary-soft);color:var(--primary);border-radius:999px;align-items:center;width:fit-content;padding:1px 8px;font-size:.72rem;font-weight:600;display:inline-flex}.banner{z-index:5;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding:8px 16px;font-size:.88rem;display:flex;position:relative}.banner-warn{background:var(--warn-soft);border-bottom:1px solid #f59e0b4d}.banner-info{background:var(--primary-soft)}.error-box{background:var(--danger-soft);border-radius:var(--radius);color:var(--text);border:1px solid #ef444440;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.error-box>svg{color:var(--danger);flex:none;margin-top:3px}.error-box p{color:var(--text-2);margin:2px 0 10px}.error-box ol{margin:8px 0 12px;padding-left:1.4rem}.warn-box{background:var(--warn-soft);border-radius:var(--radius);border:1px solid #f59e0b4d;flex-direction:column;gap:4px;margin:10px 0;padding:10px 14px;font-size:.9rem;display:flex}.msg-ai .warn-box{flex-direction:row;align-items:flex-start;gap:10px}.warn-box>svg{color:var(--warn);flex:none;margin-top:4px}.warn-box p{align-items:center;gap:6px;margin:2px 0;display:flex}.warn-box p svg{color:var(--warn);flex:none}.warn-box ul{margin:4px 0;padding-left:1.2rem}.toasts{z-index:120;pointer-events:none;flex-direction:column;align-items:center;gap:8px;width:min(440px,100vw - 32px);display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast{pointer-events:auto;background:var(--ink);width:100%;color:var(--ink-text);box-shadow:var(--shadow-lg);border-radius:14px;align-items:center;gap:10px;padding:11px 12px 11px 14px;font-size:.9rem;display:flex}.toast>span{flex:1}.toast-success>svg:first-child{color:var(--success)}.toast-error>svg:first-child{color:#f87171}.toast-info>svg:first-child{color:#a5b4fc}.toast-close{color:inherit;opacity:.6;cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;padding:4px;display:grid}.toast-close:hover{opacity:1}.skeleton{background:var(--surface-2);position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000,#ffffff80,#0000);animation:1.4s infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}@keyframes shimmer{to{transform:translate(100%)}}.skeleton-list{flex-direction:column;gap:8px;padding:8px;display:flex}.skeleton-item{align-items:center;gap:10px;display:flex}.skeleton-thumb{border-radius:9px;flex:none;width:34px;height:34px}.skeleton-line{border-radius:6px;height:12px}.a-page{background:var(--bg);grid-template-columns:minmax(0,1.1fr) minmax(380px,.9fr);align-items:center;gap:48px;min-height:100dvh;padding:48px clamp(20px,5vw,80px);display:grid;position:relative;overflow:hidden}.a-grid{pointer-events:none;background-image:linear-gradient(#6366f112 1px,#0000 1px),linear-gradient(90deg,#6366f112 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 30% 40%,#000 30%,#0000 75%);mask-image:radial-gradient(at 30% 40%,#000 30%,#0000 75%)}.a-glow{filter:blur(80px);pointer-events:none;opacity:.55;border-radius:50%;position:absolute}.a-glow-1{background:radial-gradient(circle,#8b5cf673,#0000 70%);width:520px;height:520px;top:-160px;left:-140px}.a-glow-2{background:radial-gradient(circle,#ec48994d,#0000 70%);width:560px;height:560px;bottom:-220px;right:-180px}.a-intro{flex-direction:column;gap:18px;max-width:620px;display:flex;position:relative}.a-intro h1{letter-spacing:-.02em;margin:10px 0 0;font-size:clamp(2rem,3.6vw,3.1rem);font-weight:900;line-height:1.25}.a-lead{max-width:34em;color:var(--text-2);margin:0;font-size:1.02rem;line-height:1.8}.a-panel{flex-direction:column;align-items:center;gap:14px;display:flex;position:relative}.a-card{-webkit-backdrop-filter:blur(18px)saturate(1.4);backdrop-filter:blur(18px)saturate(1.4);background:#ffffffd1;border:1px solid #ffffffe6;border-radius:28px;width:min(440px,100%);padding:30px 30px 26px;box-shadow:inset 0 1px #ffffffe6,0 30px 80px -20px #4c40a059,0 8px 24px #12131f0f}.a-foot{color:var(--muted);align-items:center;gap:6px;margin:0;font-size:.78rem;display:flex}.a-tabs{background:#6366f114;border-radius:14px;grid-template-columns:1fr 1fr;margin-bottom:22px;padding:4px;display:grid;position:relative}.a-tabs button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;padding:9px 0;font-size:.9rem;font-weight:700;position:relative}.a-tabs button.is-on{color:var(--text)}.a-tabs button>span{position:relative}.a-tab-bg{background:#fff;border-radius:11px;position:absolute;inset:0;box-shadow:0 2px 8px #12131f14}.a-title{letter-spacing:-.01em;margin:0 0 6px;font-size:1.5rem;font-weight:900}.a-sub{color:var(--text-2);margin:0 0 20px;font-size:.9rem;line-height:1.7}.a-google{width:100%}.a-divider{color:var(--muted);align-items:center;gap:12px;margin:20px 0 16px;font-size:.78rem;display:flex}.a-divider:before,.a-divider:after{content:"";background:var(--border-strong);flex:1;height:1px}.a-form{flex-direction:column;gap:14px;display:flex}.a-field{flex-direction:column;gap:6px;display:flex}.a-field-label{color:var(--text-2);font-size:.8rem;font-weight:700}.a-field-box{border:1.5px solid var(--border-strong);background:#fff;border-radius:14px;align-items:center;transition:border-color .15s,box-shadow .15s;display:flex;position:relative}.a-field-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.a-field-icon{width:40px;color:var(--muted);flex:none;place-items:center;display:grid}.a-field-box input{color:#12131f;min-width:0;font:inherit;background:0 0;border:0;outline:none;flex:1;padding:12px 12px 12px 0;font-size:.98rem}.a-eye{width:40px;height:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;margin-right:2px;display:grid}.a-eye:hover{color:var(--text)}.a-field-hint{color:var(--muted);justify-content:flex-end;font-size:.76rem;display:flex}.a-submit{width:100%;margin-top:4px}.a-link{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-size:.8rem;font-weight:600}.a-link:hover{text-decoration:underline}.a-alt{margin:16px auto 0;display:block}.a-back{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;margin-top:16px;padding:0;font-size:.85rem;display:inline-flex}.a-back:hover{color:var(--text)}.a-center{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.a-center .a-sub{margin-bottom:14px}.a-badge{color:#fff;background:var(--grad);width:60px;height:60px;box-shadow:var(--glow);border-radius:20px;place-items:center;margin:0 auto 14px;display:grid}.a-notice{color:var(--success);margin:4px 0 0;font-size:.85rem;font-weight:700}.a-strength{align-items:center;gap:8px;display:inline-flex}.a-strength-bars{gap:3px;display:inline-flex}.a-strength-bars i{background:var(--border-strong);border-radius:2px;width:22px;height:4px}.a-strength.lv-1 .a-strength-bars i:nth-child(-n+1){background:var(--danger)}.a-strength.lv-2 .a-strength-bars i:nth-child(-n+2){background:var(--warn)}.a-strength.lv-3 .a-strength-bars i{background:var(--success)}.demo{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffb8;border:1px solid #ffffffe6;border-radius:24px;flex-direction:column;gap:14px;width:min(520px,100%);padding:20px;display:flex;position:relative;box-shadow:0 24px 60px -24px #4c40a059}.demo-paper{background:#fffdf6 repeating-linear-gradient(#0000 0 27px,#3b82f624 27px 28px);border:1px solid #0000000f;border-radius:14px;padding:16px 18px 18px;position:relative;transform:rotate(-1deg);box-shadow:0 6px 16px #12131f14}.demo-paper-label{color:#b45309;letter-spacing:.1em;font-size:.7rem;font-weight:800;display:block}.demo-problem{z-index:1;color:#1f2937;font-family:Zen Kurenaido,Klee One,Yu Mincho,serif;font-size:1.35rem;position:relative}.demo-circle{pointer-events:none;width:min(78%,360px);height:48px;position:absolute;top:27px;left:4px;overflow:visible}.demo-stages{flex-wrap:wrap;gap:6px;display:flex}.demo-stage{color:var(--muted);background:#12131f0d;border-radius:999px;padding:5px 12px;font-size:.78rem;font-weight:700;position:relative}.demo-stage.is-on{color:#fff}.demo-stage.is-done{color:var(--text-2)}.demo-stage-bg{border-radius:inherit;position:absolute;inset:0}.demo-stage-label{align-items:center;gap:3px;display:inline-flex;position:relative}.demo-ai{align-items:flex-start;gap:10px;min-height:76px;display:flex}.demo-avatar{color:#fff;background:var(--grad);border-radius:10px;flex:none;place-items:center;width:30px;height:30px;display:grid}.demo-bubble{border:1px solid var(--border);color:#1f2937;background:#fff;border-radius:4px 16px 16px;margin:0;padding:10px 14px;font-size:.92rem;line-height:1.7}@media (width<=960px){.a-page{grid-template-columns:1fr;align-content:start;gap:22px;padding:28px 16px 36px}.a-intro{text-align:center;align-items:center;gap:12px;margin:0 auto}.a-intro h1{font-size:1.7rem}.a-lead{font-size:.9rem}.demo{text-align:left;padding:14px}.demo-problem{font-size:1.1rem}.demo-ai{min-height:64px}.a-card{border-radius:24px;padding:24px 20px 20px}}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .a-card,:root:not([data-theme=light]) .demo{color:#12131f;background:#ffffffeb}}:root[data-theme=dark] .a-card,:root[data-theme=dark] .demo{color:#12131f;background:#ffffffeb}.google-btn{width:100%}.auth-error{background:var(--danger-soft);color:var(--danger);border-radius:12px;margin-top:14px;padding:10px 14px;font-size:.88rem;overflow:hidden}.sent-to{color:var(--text)}.code-input-wrap{position:relative}.code-spinner{color:var(--primary);margin-top:-9px;position:absolute;top:50%;right:16px}.code-input{border:1px solid var(--border-strong);background:var(--bg);text-align:center;letter-spacing:.5em;font-variant-numeric:tabular-nums;border-radius:16px;width:100%;height:58px;padding:0 40px 0 calc(40px + .5em);font-size:1.6rem;font-weight:800;transition:border-color .2s,box-shadow .2s}.code-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);outline:none}.code-input::placeholder{color:var(--border-strong)}.sidebar{width:var(--sidebar-w);background:var(--surface);-webkit-backdrop-filter:blur(20px)saturate(1.4);border-right:1px solid var(--border);z-index:20;flex-direction:column;flex:none;min-height:0;display:flex;position:relative}.is-narrow .sidebar{z-index:40;background:var(--bg-elevated);width:min(86vw,320px);box-shadow:var(--shadow-lg);position:fixed;inset:0 auto 0 0}.scrim{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:39;background:#0a0a1466;position:fixed;inset:0}.sidebar-top{justify-content:space-between;align-items:center;padding:14px 10px 8px 16px;display:flex}.new-chat{border:1px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow-sm);cursor:pointer;transition:box-shadow .25s var(--ease), border-color .2s;border-radius:14px;align-items:center;gap:10px;margin:6px 12px 10px;padding:10px 12px;font-size:.92rem;font-weight:700;display:flex}.new-chat:hover{box-shadow:var(--shadow);border-color:#6366f159}.new-chat-icon{background:var(--grad);color:#fff;border-radius:8px;place-items:center;width:26px;height:26px;display:grid}.new-chat-kbd{margin-left:auto}.search{margin:0 12px 8px;position:relative}.search input{background:var(--surface-2);border:1px solid #0000;border-radius:12px;width:100%;height:38px;padding:0 60px 0 34px;font-size:.9rem;transition:border-color .2s,background .2s,box-shadow .2s}.search input::-webkit-search-cancel-button{display:none}.search input:focus{border-color:var(--primary);background:var(--bg-elevated);box-shadow:0 0 0 4px var(--primary-soft);outline:none}.search-icon{color:var(--muted);position:absolute;top:50%;left:11px;transform:translateY(-50%)}.search-kbd{pointer-events:none;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.search-clear{background:var(--border);color:var(--text-2);cursor:pointer;border:0;border-radius:50%;place-items:center;width:22px;height:22px;display:grid;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.sidebar-scroll{flex:1;min-height:0;padding:0 8px 12px;overflow-y:auto}.section-head{justify-content:space-between;align-items:center;padding:10px 8px 2px 10px;display:flex}.section-head h2,.list-heading{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem;font-weight:700}.list-heading{padding:16px 10px 6px}.group-list,.conv-list{margin:0;padding:0;list-style:none}.group-row,.conv-item{align-items:center;display:flex;position:relative}.group-active-bg,.conv-active-bg{background:var(--active);border-radius:12px;position:absolute;inset:0}.conv-active-bg{box-shadow:inset 3px 0 0 var(--primary)}.group-link{cursor:pointer;text-align:left;min-height:34px;color:var(--text-2);background:0 0;border:0;border-radius:12px;flex:1;align-items:center;gap:10px;padding:6px 10px;font-size:.9rem;transition:background .15s;display:flex;position:relative}.group-link:hover{background:var(--hover)}.group-link.is-active{color:var(--text);font-weight:700}.group-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.group-count{color:var(--muted);font-variant-numeric:tabular-nums;background:var(--surface-2);border-radius:999px;padding:0 7px;font-size:.72rem}.group-row:hover .group-count,.group-row:focus-within .group-count{visibility:hidden}.group-row:not(:has(.conv-menu)):hover .group-count{visibility:visible}.dot{border-radius:50%;flex:none;width:9px;height:9px;display:inline-block}.dot-empty{border:1.5px solid var(--muted)}.preset-groups{padding:6px 10px 0}.preset-chips{flex-wrap:wrap;gap:5px;margin-top:6px;display:flex}.conv-link{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:12px;flex:1;align-items:center;gap:10px;min-width:0;padding:7px 8px;transition:background .15s;display:flex;position:relative}.conv-item:not(.is-active):hover .conv-link,.conv-item:not(.is-active):focus-within .conv-link{background:var(--hover)}.conv-thumb{object-fit:cover;border:1px solid var(--border);background:#fff;border-radius:9px;flex:none;width:34px;height:34px}.conv-text{flex-direction:column;min-width:0;padding-right:24px;display:flex}.conv-title{text-overflow:ellipsis;white-space:nowrap;font-size:.88rem;font-weight:500;overflow:hidden}.is-active .conv-title{font-weight:700}.pin-icon{color:var(--primary);vertical-align:-1px;margin-right:4px}.conv-group,.conv-snippet{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:5px;font-size:.72rem;display:flex;overflow:hidden}.conv-snippet{display:block}.conv-menu{opacity:0;align-items:center;transition:opacity .15s;display:flex;position:absolute;top:0;bottom:0;right:4px}.conv-item:hover .conv-menu,.conv-item:focus-within .conv-menu,.conv-item.is-active .conv-menu,.group-row:hover .conv-menu,.group-row:focus-within .conv-menu{opacity:1}.conv-menu:has([aria-expanded=true]){opacity:1}.conv-menu .icon-btn{width:28px;min-width:28px;height:28px;padding:0}@media (hover:none){.conv-menu{opacity:1}}.empty-note{padding:14px 10px}.sidebar-bottom{border-top:1px solid var(--border);align-items:center;gap:4px;padding:10px;display:flex}.account-menu{flex:1;min-width:0}.account-menu .menu-trigger{width:100%;height:auto;color:var(--text);border-radius:12px;justify-content:flex-start;padding:6px 8px}.account-chip{text-align:left;align-items:center;gap:10px;min-width:0;display:flex}.avatar-img,.avatar-fallback{object-fit:cover;border-radius:50%;flex:none;width:32px;height:32px}.avatar-fallback{background:var(--grad);color:#fff;place-items:center;font-size:.85rem;font-weight:800;display:grid}.account-text{flex-direction:column;min-width:0;line-height:1.35;display:flex}.account-text strong{text-overflow:ellipsis;white-space:nowrap;font-size:.86rem;overflow:hidden}.account-text small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;overflow:hidden}.menu{position:relative}.menu-list{z-index:90;background:var(--bg-elevated);border:1px solid var(--border);min-width:220px;max-height:60vh;box-shadow:var(--shadow-lg);border-radius:16px;padding:6px;position:fixed;overflow-y:auto}.menu-item{cursor:pointer;text-align:left;width:100%;color:var(--text);background:0 0;border:0;border-radius:10px;align-items:center;gap:10px;padding:8px 10px;font-size:.9rem;display:flex}.menu-item:hover,.menu-item:focus-visible{background:var(--hover);outline:none}.menu-item.danger{color:var(--danger)}.menu-item.danger:hover{background:var(--danger-soft)}.menu-icon{width:16px;color:var(--muted);flex:none;place-items:center;display:grid}.menu-item[aria-checked=true] .menu-icon,.menu-item.danger .menu-icon{color:inherit}.menu-heading{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:8px 10px 2px;font-size:.68rem;font-weight:700}.menu-sep{background:var(--border);height:1px;margin:5px 4px}.dialog{border:1px solid var(--border);background:var(--bg-elevated);width:min(440px,100vw - 32px);color:var(--text);box-shadow:var(--shadow-lg);border-radius:24px;padding:26px}.dialog[open]{animation:dialog-in .28s var(--ease)}.dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0a0a1473;animation:.2s fade-in}@keyframes dialog-in{0%{opacity:0;transform:translateY(10px)scale(.97)}}@keyframes fade-in{0%{opacity:0}}.dialog h2{margin-bottom:8px;font-size:1.15rem;font-weight:800}.dialog p{margin-bottom:14px;font-size:.92rem}.dialog-field input{border:1px solid var(--border-strong);background:var(--bg);border-radius:12px;width:100%;height:46px;margin-bottom:18px;padding:0 14px;transition:border-color .2s,box-shadow .2s}.dialog-field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);outline:none}.chat-header{z-index:3;flex:none;align-items:center;gap:6px;min-height:58px;padding:10px 14px;display:flex;position:relative}.floating-header{position:absolute;top:0;left:0}.chat-title{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:10px;min-width:0;padding:4px 10px;transition:background .15s;overflow:hidden}.chat-title:hover{background:var(--hover)}.chat-title h1{text-overflow:ellipsis;white-space:nowrap;max-width:42vw;font-size:1rem;font-weight:700;overflow:hidden}.group-picker .menu-trigger{width:auto;height:auto;color:var(--text-2);padding:0}.group-picker .menu-trigger:hover{background:0 0}.group-chip{border:1px solid var(--border-strong);background:var(--bg-elevated);border-radius:999px;align-items:center;gap:7px;padding:3px 10px;font-size:.8rem;font-weight:600;transition:border-color .2s;display:inline-flex}.group-chip:hover{border-color:var(--primary)}.home{flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow-y:auto}.home-center{z-index:1;flex-direction:column;gap:22px;width:100%;max-width:760px;margin:auto;padding:56px 20px 32px;display:flex;position:relative}.eyebrow{color:var(--text-2);margin-bottom:6px;font-size:.95rem;font-weight:600}.home-title{letter-spacing:-.025em;font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:900;line-height:1.2}.home-sub{margin-top:10px;font-size:1rem}.home-note{text-align:center;margin-top:8px}.link-back{color:var(--text-2);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;width:fit-content;font-weight:600;display:inline-flex}.link-back:hover{color:var(--primary)}.home-heading{text-align:center}.home-composer{background:var(--bg-elevated);border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);transition:box-shadow .3s var(--ease), border-color .3s;border-radius:28px;padding:16px 14px 12px 20px;position:relative}.home-composer:focus-within{border-color:#0000;box-shadow:0 0 0 2px #8b5cf68c,0 16px 48px #6366f133}.home-composer.is-listening{border-color:#ef4444;box-shadow:0 0 0 3px #ef444433}.home-composer textarea{resize:none;background:0 0;border:0;outline:none;width:100%;min-height:56px;max-height:260px;padding:2px 4px 2px 0;font-size:1.05rem;line-height:1.6}.home-composer textarea::placeholder{color:var(--muted)}.home-composer-bar{align-items:center;gap:6px;margin-top:8px;display:flex}.composer-tool{border:1px solid var(--border-strong);min-height:40px;color:var(--text-2);cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:6px;padding:0 14px;font-size:.86rem;font-weight:600;transition:background .2s,border-color .2s,color .2s;display:inline-flex}.composer-tool:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.attach-preview{width:fit-content;margin:0 0 10px;position:relative}.attach-open{cursor:pointer;background:0 0;border:0;border-radius:14px;padding:0;display:block;position:relative}.attach-open img{object-fit:cover;border:1px solid var(--border);background:#fff;border-radius:14px;max-width:240px;height:104px;transition:filter .2s,box-shadow .2s;display:block}.attach-open:hover img,.attach-open:focus-visible img{filter:brightness(.82);box-shadow:0 0 0 3px var(--primary-soft)}.attach-edit{color:#fff;opacity:0;text-shadow:0 1px 6px #00000080;justify-content:center;align-items:center;gap:6px;font-size:.85rem;font-weight:800;transition:opacity .2s;display:flex;position:absolute;inset:0}.attach-open:hover .attach-edit,.attach-open:focus-visible .attach-edit{opacity:1}@media (hover:none){.attach-edit{opacity:1;background:#0c0c18b3;border-radius:999px;padding:2px 8px;font-size:.75rem;inset:auto 6px 6px auto}}.attach-badge{background:var(--grad);color:#fff;border-radius:999px;padding:1px 8px;font-size:.7rem;font-weight:700;position:absolute;bottom:6px;left:6px}.composer .attach-preview{margin:2px 0 8px}.composer-icon{width:36px;height:36px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;place-items:center;transition:background .15s,color .15s;display:grid}.composer-icon:hover{background:var(--hover);color:var(--primary)}.composer.is-drag{border-color:var(--primary)}.composer-consent{margin:8px 6px 0;font-size:.82rem}.home-composer-bar{flex-wrap:wrap}.home-composer .stage-pills{margin-left:4px}@media (width<=1100px){.home-composer .pill:not(.is-on) .pill-label,.with-panel .composer .pill:not(.is-on) .pill-label{display:none}}.editor-modal{z-index:110;background:var(--bg);flex-direction:column;display:flex;position:fixed;inset:0}.editor-done{flex:none;margin-left:8px}.editor-footer{flex-direction:column;align-items:flex-end;gap:6px;padding:8px 18px 12px;display:flex}.editor-footer .warn-box{align-self:stretch;margin:0}.attach-remove{border:2px solid var(--bg-elevated);background:var(--ink);width:26px;height:26px;color:var(--ink-text);cursor:pointer;border-radius:50%;place-items:center;display:grid;position:absolute;top:-8px;right:-8px}.drop-overlay{z-index:3;border:2px dashed var(--primary);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);color:var(--primary);pointer-events:none;background:#6366f11a;border-radius:28px;justify-content:center;align-items:center;gap:8px;font-weight:800;display:flex;position:absolute;inset:0}.global-drop{z-index:95;border:3px dashed var(--primary);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none;background:#6366f11f;border-radius:28px;place-items:center;display:grid;position:fixed;inset:12px}.global-drop-card{background:var(--bg-elevated);box-shadow:var(--shadow-lg);color:var(--text);text-align:center;border-radius:24px;flex-direction:column;align-items:center;gap:12px;padding:28px 36px;font-size:1.1rem;font-weight:800;display:flex}.global-drop-card small{color:var(--muted);font-size:.85rem;font-weight:500}.global-drop-icon{color:#fff;background:var(--grad);width:64px;height:64px;box-shadow:var(--glow);border-radius:20px;place-items:center;display:grid}.conv-item[draggable=true]{cursor:grab}.conv-item.is-dragging{opacity:.45}.group-row.is-drop-target .group-link{background:var(--primary-soft);box-shadow:inset 0 0 0 2px var(--primary);color:var(--primary)}.editor{flex-direction:column;flex:1;min-height:0;display:flex}.editor-top{align-items:center;gap:8px;min-height:58px;padding:10px 14px;display:flex}.editor-actions{align-items:center;gap:2px;display:flex;overflow-x:auto}.tool-btn{width:42px;height:42px;color:var(--text-2);cursor:pointer;background:0 0;border:0;border-radius:12px;flex:none;place-items:center;transition:background .15s,color .15s;display:grid}.tool-btn:hover:not(:disabled){background:var(--hover);color:var(--text)}.tool-btn:disabled{opacity:.3;cursor:not-allowed}.tool-sep{background:var(--border-strong);flex:none;width:1px;height:24px;margin:0 6px}.editor-body{flex:1;gap:12px;min-height:0;padding:0 14px;display:flex}.tool-rail{background:var(--bg-elevated);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:20px;flex-direction:column;flex:none;align-self:flex-start;gap:4px;max-height:100%;padding:6px;display:flex;overflow-y:auto}.rail-btn{width:64px;min-height:56px;color:var(--text-2);cursor:pointer;background:0 0;border:0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:6px 4px;font-size:.7rem;font-weight:700;transition:color .15s;display:flex;position:relative}.rail-btn:hover:not(.is-on){background:var(--hover)}.rail-btn.is-on{color:#fff}.rail-active{background:var(--grad);border-radius:14px;position:absolute;inset:0;box-shadow:0 4px 14px #6366f159}.rail-icon,.rail-label{position:relative}.editor-stage{flex-direction:column;flex:1;gap:8px;min-width:0;min-height:0;display:flex}.style-bar{background:var(--bg-elevated);border:1px solid var(--border);width:fit-content;max-width:100%;min-height:48px;box-shadow:var(--shadow-sm);border-radius:16px;align-items:center;gap:8px;padding:4px 10px;display:flex;overflow-x:auto}.style-bar-empty{visibility:hidden}.swatches,.sizes{align-items:center;gap:6px;display:flex}.swatch{border:3px solid var(--bg-elevated);width:30px;height:30px;box-shadow:0 0 0 1px var(--border-strong);cursor:pointer;transition:transform .15s var(--ease);border-radius:50%;flex:none}.swatch.is-on{box-shadow:0 0 0 2px var(--text);transform:scale(1.1)}.size-btn{width:40px;height:40px;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:12px;flex:none;place-items:center;display:grid}.size-btn.is-on{background:var(--active)}.size-btn span{border-radius:50%;display:block}.editor-canvas-wrap{border:1px solid var(--border);background:repeating-conic-gradient(var(--surface-2) 0 25%, var(--bg) 0 50%) 0 0 / 22px 22px;border-radius:20px;flex:1;min-height:220px;position:relative;overflow:hidden}.editor-canvas{touch-action:none;position:absolute;inset:0}.editor-overlay{cursor:crosshair}.editor-overlay.tool-text{cursor:text}.editor-overlay.tool-pan{cursor:grab}.editor-overlay.tool-eraser{cursor:cell}.text-entry{z-index:4;border:2px dashed var(--primary);resize:none;field-sizing:content;background:#ffffffd9;border-radius:8px;outline:none;min-width:180px;max-width:70%;padding:2px 6px;font-weight:700;line-height:1.25;position:absolute}.chat{flex:1;min-height:0;display:flex}.chat-main{flex-direction:column;flex:1;min-width:0;display:flex}.chat-scroll{flex:1;min-height:0;overflow-y:auto}.chat-column{flex-direction:column;gap:24px;max-width:800px;margin:0 auto;padding:8px 24px 32px;display:flex}.attachment{flex-direction:column;align-self:flex-end;align-items:flex-end;gap:6px;max-width:72%;display:flex}.attachment-img{border:1px solid var(--border);cursor:zoom-in;box-shadow:var(--shadow);background:#fff;border-radius:18px;padding:0;overflow:hidden}.attachment-img img{object-fit:contain;max-width:100%;max-height:260px;display:block}.attachment-img.placeholder{width:240px;height:140px;color:var(--muted);cursor:default;place-items:center;font-size:.85rem;display:grid}.attachment-meta{align-items:center;gap:4px;display:flex}.with-panel .attachment-img img{max-height:120px}.msg-user{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.bubble-image{border:1px solid var(--border);cursor:zoom-in;max-width:60%;box-shadow:var(--shadow-sm);background:#fff;border-radius:16px;padding:0;overflow:hidden}.bubble-image img{object-fit:contain;max-width:100%;max-height:220px;display:block}.bubble-image.placeholder{width:200px;height:120px;color:var(--muted);cursor:default;place-items:center;font-size:.8rem;display:grid}.msg-user .bubble{background:var(--surface-2);border:1px solid var(--border);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:22px 22px 6px;max-width:80%;padding:10px 16px}.msg-ai{align-items:flex-start;gap:14px;display:flex}.avatar{color:#fff;background:var(--grad);border-radius:11px;flex:none;place-items:center;width:32px;height:32px;margin-top:2px;display:grid;box-shadow:0 4px 14px #6366f159}.avatar-answer{background:linear-gradient(135deg,#10b981,#06b6d4);box-shadow:0 4px 14px #10b98159}.avatar-thinking{animation:1.6s ease-in-out infinite pulse;position:relative}.avatar-thinking:after{content:"";border:2px solid #0000;border-top-color:var(--violet);border-right-color:var(--pink);border-radius:14px;animation:1.1s linear infinite spin;position:absolute;inset:-4px}@keyframes pulse{50%{transform:scale(.94)}}.msg-ai-body{overflow-wrap:anywhere;flex:1;min-width:0}.shimmer-text{background:linear-gradient(90deg, var(--muted) 0%, var(--muted) 35%, var(--violet) 50%, var(--muted) 65%, var(--muted) 100%);color:#0000;background-size:250% 100%;-webkit-background-clip:text;background-clip:text;font-weight:600;animation:1.8s linear infinite text-shimmer}@keyframes text-shimmer{0%{background-position:100% 0}to{background-position:-150% 0}}.thinking-lines{flex-direction:column;gap:8px;margin-top:12px;display:flex}.thinking-lines span{background:linear-gradient(90deg, var(--surface-2) 0%, var(--primary-soft) 50%, var(--surface-2) 100%);background-size:200% 100%;border-radius:6px;height:10px;animation:1.6s linear infinite text-shimmer}.thinking-lines span:first-child{width:92%}.thinking-lines span:nth-child(2){width:76%;animation-delay:.15s}.thinking-lines span:nth-child(3){width:54%;animation-delay:.3s}.pending-group{flex-direction:column;gap:24px;display:flex}.msg-notice{background:var(--primary-soft);color:var(--text-2);text-align:center;border-radius:999px;align-self:center;padding:5px 16px;font-size:.82rem}.msg-head{align-items:center;gap:8px;margin-bottom:4px;display:flex}.stage-tag{background:var(--primary-soft);color:var(--primary);vertical-align:2px;border-radius:999px;align-items:center;gap:4px;margin-right:8px;padding:1px 9px;font-size:.72rem;font-weight:700;display:inline-flex}.stage-approach{color:var(--violet);background:#8b5cf61f}.stage-steps{color:#0891b2;background:#06b6d41f}.stage-answer{color:#059669;background:#10b9811f}.stage-unclear{background:var(--warn-soft);color:#b45309}.confidence{color:var(--muted);font-size:.75rem}.markdown{font-size:.98rem;line-height:1.8}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown p{margin:.6em 0}.markdown h1,.markdown h2,.markdown h3{margin:1.1em 0 .4em;font-size:1.05rem;font-weight:800}.markdown ul,.markdown ol{margin:.5em 0;padding-left:1.4rem}.markdown li{margin:.25em 0}.markdown strong{background:linear-gradient(#0000 62%,#8b5cf62e 62%);font-weight:700}.markdown .katex-display{padding:6px 0;overflow:auto hidden}.equations{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;margin:12px 0;padding:4px 16px}.check-question{color:var(--text-2);align-items:flex-start;gap:8px;margin:12px 0 2px;display:flex}.check-icon{color:var(--violet);flex:none;margin-top:5px}.check-question .markdown p{margin:0}.next-steps{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.next-chip{border:1px solid var(--border-strong);background:var(--surface-solid);color:var(--text-2);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:5px 12px;font-size:.8rem;font-weight:600;transition:border-color .15s,color .15s,background .15s;display:inline-flex}.next-chip svg{color:var(--muted);transition:color .15s}.next-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.next-chip:hover svg{color:var(--primary)}.msg-actions{flex-wrap:wrap;align-items:center;gap:2px;margin-top:8px;display:flex}.action-btn{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:5px;padding:4px 9px;font-size:.78rem;transition:background .15s,color .15s;display:inline-flex}.action-btn:hover{background:var(--hover);color:var(--text)}.action-btn .action-icon{width:auto;height:auto;color:inherit;background:0 0;border-radius:0;display:inline-grid}.msg-actions time{margin-left:6px;font-size:.75rem}.report-note{width:100%;margin-top:4px;overflow:hidden}.empty-state{text-align:center;flex-direction:column;align-items:center;padding:28px 0 8px;display:flex}.empty-badge{color:#fff;background:var(--grad);width:52px;height:52px;box-shadow:var(--glow);border-radius:16px;place-items:center;margin-bottom:16px;display:grid}.empty-state h2{letter-spacing:-.02em;margin-bottom:6px;font-size:1.8rem;font-weight:900}.suggestions{text-align:left;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;margin-top:24px;display:grid}.suggestion{border:1px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow-sm);cursor:pointer;text-align:left;transition:box-shadow .25s var(--ease), border-color .2s;border-radius:18px;align-items:center;gap:12px;padding:14px;display:flex}.suggestion:hover:not(:disabled){box-shadow:var(--shadow);border-color:#6366f159}.suggestion:disabled{opacity:.5;cursor:not-allowed}.suggestion-icon{background:var(--grad-soft);width:38px;height:38px;color:var(--primary);border-radius:12px;flex:none;place-items:center;display:grid}.suggestion-text{flex-direction:column;min-width:0;display:flex}.suggestion strong{font-size:.92rem}.suggestion small{color:var(--muted);font-size:.8rem}.composer-wrap{flex:none;width:100%;max-width:848px;margin:0 auto;padding:0 24px 12px;position:relative}.composer{background:var(--bg-elevated);border:1px solid var(--border-strong);box-shadow:var(--shadow);transition:box-shadow .3s var(--ease), border-color .3s;border-radius:26px;padding:12px 12px 10px 18px;position:relative}.composer:focus-within{border-color:#0000;box-shadow:0 0 0 2px #8b5cf68c,0 10px 40px #6366f12e}.composer textarea{resize:none;background:0 0;border:0;outline:none;width:100%;min-height:28px;max-height:220px;padding:4px 4px 4px 0;font-size:1rem;line-height:1.6}.composer textarea::placeholder{color:var(--muted)}.composer-bar{align-items:center;gap:8px;margin-top:6px;display:flex}.stage-pills{scrollbar-width:none;flex-wrap:nowrap;flex:none;gap:2px;min-width:0;display:flex;overflow-x:auto}.pill{cursor:pointer;min-height:32px;color:var(--muted);background:0 0;border:0;border-radius:999px;align-items:center;gap:5px;padding:5px 12px;font-size:.82rem;font-weight:600;transition:color .2s;display:inline-flex;position:relative}.pill:hover{color:var(--text)}.pill.is-on{color:var(--primary)}.pill-bg{background:var(--primary-soft);border-radius:999px;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #6366f140}.pill-icon,.pill-label{position:relative}.send-btn{background:var(--grad);color:#fff;cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;width:40px;height:40px;transition:opacity .2s,box-shadow .2s;display:grid;box-shadow:0 4px 14px #6366f166}.send-btn:disabled{opacity:.3;box-shadow:none;cursor:not-allowed}.disclaimer{text-align:center;color:var(--muted);padding-top:8px;font-size:.72rem}.confirm-box{background:var(--bg-elevated);box-shadow:var(--shadow);border:1px solid #10b9814d;border-radius:20px;gap:12px;margin-bottom:10px;padding:14px 16px;display:flex}.confirm-box p{margin:2px 0 8px}.confirm-icon{width:36px;height:36px;color:var(--success);background:#10b9811f;border-radius:12px;flex:none;place-items:center;display:grid}.problem-panel{border-left:1px solid var(--border);background:var(--surface);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;flex:none;gap:14px;width:36%;min-width:300px;max-width:540px;padding:12px 18px 18px;display:flex;overflow-y:auto}.panel-head{justify-content:space-between;align-items:center;min-height:36px;display:flex}.panel-head h2{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem;font-weight:700}.panel-img{border:1px solid var(--border);cursor:zoom-in;box-shadow:var(--shadow);background:#fff;border-radius:18px;padding:0;display:block;overflow:hidden}.panel-img img{object-fit:contain;width:100%;max-height:68vh;display:block}.panel-summary{background:var(--grad-soft);border-radius:14px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:.88rem;display:flex}.panel-summary svg{color:var(--violet);flex:none;margin-top:4px}.panel-summary small{font-size:.72rem;display:block}@media (width<=1199px){.problem-panel{z-index:30;background:var(--bg-elevated);width:min(420px,90vw);min-width:0;box-shadow:var(--shadow-lg);position:fixed;top:0;bottom:0;right:0}.with-panel .attachment-img img{max-height:260px}}.lightbox{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:110;background:#080810d9;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:16px;display:flex;position:fixed;inset:0}.lightbox img{max-width:100%;max-height:calc(100% - 70px);box-shadow:var(--shadow-lg);background:#fff;border-radius:14px}.attachment-text{background:var(--bg-elevated);border:1px solid var(--border);max-width:100%;max-height:220px;box-shadow:var(--shadow);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:18px;padding:12px 16px;font-size:.95rem;overflow:auto}.attachment-text p{margin:4px 0 0}.attachment-text-label{color:var(--primary);align-items:center;gap:4px;font-size:.72rem;font-weight:700;display:inline-flex}.panel-text{background:var(--bg-elevated);border:1px solid var(--border);white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:var(--shadow);border-radius:18px;max-height:60vh;padding:16px;overflow:auto}.mic-btn{border:1px solid var(--border-strong);background:var(--bg-elevated);width:40px;height:40px;color:var(--text-2);cursor:pointer;border-radius:50%;flex:none;place-items:center;transition:background .2s,color .2s,border-color .2s;display:grid;position:relative}.mic-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.mic-btn.is-on{color:#fff;background:#ef4444;border-color:#ef4444}.mic-btn:disabled{opacity:.4;cursor:not-allowed}.mic-pulse{pointer-events:none;background:#ef444473;border-radius:50%;position:absolute;inset:0}.interim{color:var(--text-2);align-items:center;gap:8px;margin:0 0 6px;font-size:.88rem;display:flex}.rec-dot{background:#ef4444;border-radius:50%;flex:none;width:8px;height:8px;animation:1s ease-in-out infinite pulse}.speech-error{color:var(--danger);justify-content:center;align-items:center;gap:10px;margin:6px 0 0;font-size:.8rem;display:flex}.link-btn{color:var(--muted);cursor:pointer;font-size:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.modal-scrim{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0a0a1473;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--bg-elevated);border:1px solid var(--border);width:min(640px,100%);max-height:calc(100vh - 32px);box-shadow:var(--shadow-lg);border-radius:24px;flex-direction:column;gap:14px;padding:22px;display:flex;overflow:auto}.modal-head{align-items:flex-start;gap:12px;display:flex}.modal-head>div{flex:1}.modal-head h2{font-size:1.15rem;font-weight:800}.modal-icon{background:var(--grad);color:#fff;border-radius:12px;flex:none;place-items:center;width:38px;height:38px;display:grid}.text-problem-field{border:1px solid var(--border-strong);background:var(--bg);border-radius:16px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}.text-problem-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.text-problem-field.is-listening{border-color:#ef4444;box-shadow:0 0 0 4px #ef44441f}.text-problem-field textarea{resize:vertical;background:0 0;border:0;outline:none;width:100%;min-height:160px;font-size:1rem;line-height:1.7}.text-problem-field .interim{margin:6px 0 0}.modal-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.toolbar{align-items:center;gap:8px;min-height:58px;padding:10px 14px;display:flex}.toolbar-title{flex:1;font-size:1rem;font-weight:700}.camera{color:#f1f3f8;background:radial-gradient(at top,#1e1b4b,#07070d 70%);flex-direction:column;flex:1;min-height:0;display:flex}.camera .btn-ghost{color:#f1f3f8}.camera .btn-ghost:hover{background:#ffffff1a}.camera-select select{color:#f1f3f8;background:#ffffff14;border:1px solid #ffffff29;border-radius:10px;max-width:40vw;min-height:36px;padding:0 10px}.camera-select option{color:#111}.camera-stage{background:#000;border-radius:24px;flex:1;justify-content:center;align-items:center;min-height:0;margin:0 16px;display:flex;position:relative;overflow:hidden}.camera-video{object-fit:contain;width:100%;height:100%}.camera-guide{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.guide-frame{aspect-ratio:210/297;border:2px solid #ffffffbf;border-radius:14px;max-width:80%;height:86%;animation:2.6s ease-in-out infinite guide-breathe;box-shadow:0 0 0 9999px #00000040}@keyframes guide-breathe{50%{border-color:#c4b5fdf2}}.camera-overlay{background:#00000080;place-items:center;display:grid;position:absolute;inset:0}.camera-controls{justify-content:space-between;align-items:center;gap:16px;padding:14px 20px 18px;display:flex}.camera-tips{color:#c4cad6;max-width:40rem}.resolution{white-space:nowrap;opacity:.7}.camera-error{color:var(--text);background:var(--bg);flex:1;padding:16px;overflow-y:auto}.shutter{background:var(--grad);cursor:pointer;width:76px;height:76px;transition:transform .15s var(--ease);border:0;border-radius:50%;flex:none;place-items:center;padding:4px;display:grid;box-shadow:0 0 30px #8b5cf68c}.shutter-inner{width:100%;height:100%;transition:transform .15s var(--ease);background:#fff;border:4px solid #0b0c14;border-radius:50%}.shutter:hover{transform:scale(1.05)}.shutter:active .shutter-inner{transform:scale(.88)}.shutter:disabled{opacity:.4}.crop{flex-direction:column;flex:1;min-height:0;display:flex}.crop-hint{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;pointer-events:none;text-align:center;background:#0c0c18c7;border-radius:999px;max-width:calc(100% - 32px);padding:7px 16px;font-size:.85rem;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.crop-footer{padding:12px 18px 16px}.privacy-check{color:var(--text-2);align-items:flex-start;gap:10px;margin:6px 0 12px;font-size:.88rem;display:flex}.privacy-check input{width:20px;height:20px;accent-color:var(--violet);flex:none;margin-top:3px}.settings{flex:1;min-height:0;overflow-y:auto}.settings-title{padding:0 8px;font-size:1.05rem;font-weight:800}.settings-body{flex-direction:column;gap:14px;width:100%;max-width:760px;margin:0 auto;padding:8px 20px 40px;display:flex}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px}.card h2{align-items:center;gap:10px;margin-bottom:12px;font-size:1rem;font-weight:800;display:flex}.card-icon{background:var(--grad-soft);width:30px;height:30px;color:var(--primary);border-radius:10px;place-items:center;display:grid}.card>p+.btn{margin-top:10px}.account-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.avatar-lg{object-fit:cover;border-radius:50%;width:52px;height:52px;font-size:1.2rem}.account-info{flex-direction:column;flex:1;gap:2px;min-width:180px;display:flex}.segmented{background:var(--surface-2);border-radius:14px;gap:2px;padding:4px;display:inline-flex}.segmented button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:10px;min-height:38px;padding:6px 18px;font-weight:600;position:relative}.segmented button.is-on{color:var(--text)}.segmented button>span:last-child{position:relative}.segmented-bg{background:var(--bg-elevated);box-shadow:var(--shadow-sm);border-radius:10px;position:absolute;inset:0}.card .segmented+p{margin-top:8px}.plain-list{color:var(--text-2);margin:0;padding-left:1.2rem;font-size:.92rem}.plain-list li+li{margin-top:4px}.kv{grid-template-columns:auto 1fr;gap:8px 18px;margin:0;font-size:.92rem;display:grid}.kv dd{color:var(--text-2);margin:0}@media (width<=960px){.auth{grid-template-columns:minmax(0,1fr)}.auth-hero{display:none}.auth-panel{background:radial-gradient(at top,#8b5cf62e,#0000 60%)}.auth-mobile-brand{display:block}}@media (width<=900px){.chat-column{padding:8px 14px 24px}.composer-wrap{padding:0 10px 8px}.attachment{max-width:85%}.chat-title h1{max-width:46vw}.home-center{padding-top:64px}}@media (width<=760px){.editor-body{flex-direction:column;padding:0 8px}.tool-rail{border-radius:16px;flex-direction:row;align-self:stretch;overflow:auto hidden}.rail-btn{flex:none;width:58px;min-height:52px}.composer-tool span{display:none}.composer-tool{padding:0 12px}}@media (width<=560px){.suggestions{grid-template-columns:minmax(0,1fr)}.empty-state h2{font-size:1.45rem}.group-picker,.pill-label{display:none}.pill.is-on .pill-label{display:inline}.disclaimer{font-size:.68rem}.auth-card{padding:22px}.camera-stage{margin:0 8px}}.attach-tray{flex-wrap:wrap;gap:12px;padding:8px 6px 10px 0;display:flex}.attach-tray .attach-preview,.composer .attach-tray .attach-preview{margin:0}.attach-tray .attach-open img{max-width:180px;height:88px}.attach-file{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface-solid);align-items:flex-start;gap:10px;width:248px;min-height:64px;padding:10px 12px;display:flex;position:relative}.attach-file.has-problem{border-color:var(--warn);background:var(--warn-soft)}.file-icon{color:#fff;background:#64748b;border-radius:10px;flex:none;place-items:center;width:36px;height:36px;display:grid}.file-pdf{background:#e5484d}.file-docx{background:#2f6fde}.file-xlsx,.file-csv{background:#1f9d55}.file-pptx{background:#e8692c}.attach-file-body,.bubble-file-body{text-align:left;flex-direction:column;gap:2px;min-width:0;display:flex}.attach-file-body strong,.bubble-file-body strong{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;overflow:hidden}.attach-file-body small,.bubble-file-body small{color:var(--muted);font-size:.74rem}.page-range{color:var(--text-2);align-items:center;gap:6px;margin-top:4px;font-size:.75rem;display:flex}.page-range span{white-space:nowrap;flex:none}.page-range input{border:1px solid var(--border-strong);background:var(--bg-elevated);width:100%;min-width:0;color:var(--text);font:inherit;border-radius:8px;padding:3px 8px}.page-range input:focus-visible{outline:2px solid var(--focus);outline-offset:1px}.page-range input[aria-invalid=true]{border-color:var(--warn)}.attach-file-body .attach-file-problem{color:var(--text-2);align-items:flex-start;gap:4px;line-height:1.4;display:flex}.attach-file-problem svg{color:var(--warn);flex:none;margin-top:2px}.composer-icon:disabled,.composer-tool:disabled{opacity:.4;cursor:not-allowed}.bubble-images{justify-content:flex-end;max-width:80%;display:flex}.bubble-images.is-multi{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;width:min(80%,460px);display:grid}.bubble-images .bubble-image{max-width:100%}.bubble-images.is-multi .bubble-image img{object-fit:contain;width:100%;height:130px}.bubble-files{flex-wrap:wrap;justify-content:flex-end;gap:6px;max-width:80%;display:flex}.bubble-file{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);max-width:280px;color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);font:inherit;align-items:center;gap:10px;padding:8px 12px 8px 8px;transition:border-color .15s,transform .15s;display:flex}.bubble-file:hover{border-color:var(--primary);transform:translateY(-1px)}@media (width<=600px){.attach-file{width:100%}}.reading-note{color:var(--muted);margin-top:2px;font-size:.78rem}.reading-note summary{cursor:pointer;border-radius:999px;align-items:center;gap:5px;padding:2px 8px;list-style:none;transition:background .15s,color .15s;display:inline-flex}.reading-note summary::-webkit-details-marker{display:none}.reading-note summary:hover,.reading-note[open] summary{background:var(--hover);color:var(--text-2)}.reading-note ul{color:var(--text-2);margin:6px 0 2px;padding-left:1.6rem}.reading-note p{margin:2px 0 0 .6rem}.attach-draw{border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text-2);font:inherit;cursor:pointer;border-radius:999px;align-self:flex-start;align-items:center;gap:5px;margin-top:6px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.attach-draw:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.attach-draw:disabled{opacity:.6;cursor:default}.attach-label{max-width:180px;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:4px;font-size:.7rem;display:block;overflow:hidden}.page-picker{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);width:min(920px,100%);max-height:calc(100dvh - 32px);box-shadow:var(--shadow-lg);flex-direction:column;display:flex;overflow:hidden}.page-picker-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px 12px;display:flex}.page-picker-head h2{margin:0 0 4px;font-size:1.05rem}.page-picker-head p{margin:0}.page-grid{background:var(--surface-2);flex:1;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;padding:16px 20px;display:grid;overflow-y:auto}.page-thumb{color:var(--text-2);font:inherit;cursor:pointer;background:0 0;border:2px solid #0000;border-radius:12px;flex-direction:column;gap:6px;padding:6px;transition:border-color .15s,background .15s;display:flex;position:relative}.page-thumb:hover:not(:disabled){background:var(--hover)}.page-thumb.is-on{border-color:var(--primary);background:var(--primary-soft)}.page-thumb:disabled{opacity:.45;cursor:not-allowed}.page-thumb-img{aspect-ratio:3/4;box-shadow:var(--shadow-sm);color:var(--muted);background:#fff;border-radius:8px;place-items:center;display:grid;overflow:hidden}.page-thumb-img img{object-fit:contain;max-width:100%;max-height:100%}.page-thumb-label{text-align:center;white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.page-check{background:var(--primary);color:#fff;width:24px;height:24px;box-shadow:var(--shadow);border-radius:50%;place-items:center;display:grid;position:absolute;top:10px;right:10px}.page-picker-foot{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;padding:12px 20px 16px;display:flex}.page-picker-foot .privacy-check{margin:0;font-size:.82rem}.attach-tray .attach-open.is-page img{object-fit:contain;object-position:top;width:120px}.nav-item{color:var(--text-2);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:12px;align-items:center;gap:10px;margin:0 12px 8px;padding:8px 12px;font-size:.9rem;font-weight:700;transition:background .15s,color .15s;display:flex}.nav-item:hover{background:var(--hover);color:var(--text)}.nav-item.is-active{background:var(--active);color:var(--primary)}.nav-badge{background:var(--grad);color:#fff;border-radius:999px;place-items:center;min-width:22px;height:22px;margin-left:auto;padding:0 7px;font-size:.75rem;font-weight:800;display:grid}.review-nudge{background:var(--grad-soft);color:var(--text);font:inherit;cursor:pointer;transition:transform .2s var(--ease), box-shadow .2s;border:1px solid #8b5cf640;border-radius:999px;align-self:center;align-items:center;gap:10px;margin:18px auto 0;padding:10px 18px;font-size:.9rem;display:inline-flex}.review-nudge svg:first-child{color:var(--violet)}.review-nudge:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.review{flex-direction:column;flex:1;min-height:0;display:flex}.screen-title{white-space:nowrap;text-overflow:ellipsis;min-width:0;padding:0 8px;font-size:1.05rem;font-weight:800;overflow:hidden}.review-scroll{flex:1;min-height:0;overflow-y:auto}.review-column{flex-direction:column;gap:16px;width:100%;max-width:820px;margin:0 auto;padding:8px 20px 48px;display:flex}.review-hero{border-radius:var(--radius-lg);background:var(--grad-soft);border:1px solid #8b5cf62e;flex-wrap:wrap;align-items:center;gap:16px;padding:18px 20px;display:flex}.review-hero>div{flex:1;min-width:220px}.review-hero h2{margin:0 0 4px;font-size:1.1rem;font-weight:800}.review-hero p{margin:0}.review-hero-icon{background:var(--grad);color:#fff;width:44px;height:44px;box-shadow:var(--glow);border-radius:14px;flex:none;place-items:center;display:grid}.review-empty{color:var(--muted);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:40px 16px;display:flex}.review-empty svg{color:var(--violet)}.review-list-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.review-list-head .segmented{font-size:.8rem}.study-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.study-skeleton{border-radius:var(--radius);height:68px}.study-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);box-shadow:var(--shadow-sm);align-items:center;transition:border-color .15s,box-shadow .2s;display:flex;position:relative}.study-card:hover{box-shadow:var(--shadow);border-color:#6366f159}.study-card .conv-menu{opacity:1;margin-right:8px}.study-card-main{min-width:0;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:1;align-items:center;gap:12px;padding:12px 8px 12px 14px;display:flex}.study-kind-icon{color:#fff;border-radius:11px;flex:none;place-items:center;width:36px;height:36px;display:grid}.chat-header .study-kind-icon{border-radius:9px;width:28px;height:28px}.kind-test{background:linear-gradient(135deg,#6366f1,#8b5cf6)}.kind-summary{background:linear-gradient(135deg,#0ea5e9,#10b981)}.study-card-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.study-card-text strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.study-card-text small{color:var(--muted);font-size:.78rem}.study-card-group{align-items:center;gap:4px;margin-right:6px;display:inline-flex}.study-card-side{flex-direction:column;flex:none;align-items:flex-end;gap:3px;display:flex}.study-card-side small{font-size:.72rem}.due-pill{background:var(--surface-2);color:var(--text-2);white-space:nowrap;border-radius:999px;padding:2px 10px;font-size:.75rem;font-weight:700}.due-pill.is-due{background:var(--grad);color:#fff}@media (width<=600px){.study-card-side small{display:none}}.create-study{width:min(720px,100%)}.kind-picker{grid-template-columns:1fr 1fr;gap:10px;display:grid}.kind-option{border:2px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text-2);font:inherit;text-align:left;cursor:pointer;align-items:center;gap:12px;padding:12px 14px;transition:border-color .15s,background .15s,color .15s;display:flex}.kind-option span{flex-direction:column;display:flex}.kind-option small{color:var(--muted);font-size:.75rem}.kind-option.is-on{border-color:var(--primary);background:var(--primary-soft);color:var(--text)}.kind-option.is-on>svg{color:var(--primary)}@media (width<=560px){.kind-picker{grid-template-columns:1fr}}.study-field{flex-direction:column;gap:6px;display:flex}.study-field.grow{flex:1}.field-label{color:var(--text-2);font-size:.82rem;font-weight:700}.field-row{justify-content:space-between;align-items:center;display:flex}.chip-row{flex-wrap:wrap;gap:6px;display:flex}.chip.is-on{border-style:solid;border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.study-search{border:1px solid var(--border-strong);color:var(--muted);border-radius:10px;align-items:center;gap:6px;padding:5px 10px;display:flex}.study-search input{color:var(--text);font:inherit;background:0 0;border:0;outline:none;flex:1;font-size:.85rem}.study-conv-list{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);max-height:240px;margin:0;padding:4px;list-style:none;overflow-y:auto}.study-conv{cursor:pointer;border-radius:10px;align-items:center;gap:10px;padding:6px 8px;font-size:.85rem;display:flex}.study-conv:hover{background:var(--hover)}.study-conv.is-on{background:var(--bg-elevated)}.study-conv input{accent-color:var(--primary);width:16px;height:16px}.study-conv img{object-fit:cover;border:1px solid var(--border);background:#fff;border-radius:7px;width:30px;height:30px}.study-conv-title{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.study-conv-group{color:var(--muted);align-items:center;gap:4px;font-size:.75rem;display:inline-flex}.study-options{flex-wrap:wrap;gap:12px;display:flex}.study-options select,.study-options input{border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);font:inherit;border-radius:10px;padding:7px 10px;font-size:.88rem}.study-head-meta{white-space:nowrap;margin-right:4px}@media (width<=600px){.study-head-meta{display:none}}.study-meta{margin:0}.summary{flex-direction:column;gap:12px;display:flex}.summary-overview{padding:4px 2px;font-size:1.02rem}.summary-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-solid);box-shadow:var(--shadow-sm);padding:16px 18px}.summary-card h2{align-items:center;gap:8px;margin:0 0 8px;font-size:1rem;font-weight:800;display:flex}.summary-num{background:var(--grad);color:#fff;border-radius:8px;place-items:center;width:24px;height:24px;font-size:.8rem;display:grid}.summary-card ul,.summary-card ol{margin:0;padding-left:1.3rem}.summary-card li .markdown p{margin:2px 0}.summary-formulas h2 svg{color:var(--violet)}.summary-pitfalls{background:var(--warn-soft);border-color:#f59e0b40}.summary-pitfalls h2 svg{color:var(--warn)}.summary-check h2 svg{color:var(--primary)}.study-finish{flex-wrap:wrap;justify-content:center;gap:10px;padding:12px 0 4px;display:flex}.study-sources{border-top:1px solid var(--border);padding-top:12px}.study-sources .chip{border-style:solid}.test{flex-direction:column;gap:14px;display:flex}.test-progress{align-items:center;gap:12px;display:flex}.test-progress-bar{background:var(--surface-2);border-radius:999px;flex:1;height:8px;overflow:hidden}.test-progress-bar span{border-radius:inherit;background:var(--grad);height:100%;display:block}.question-card{border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--surface-solid);box-shadow:var(--shadow);flex-direction:column;gap:14px;padding:20px 22px;display:flex}.question-head{align-items:center;gap:8px;display:flex}.question-num{font-size:1.05rem;font-weight:800}.question-type{background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:1px 9px;font-size:.72rem;font-weight:700}.question-body{font-size:1.08rem}.choices{gap:8px;display:grid}.choice{border:1.5px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);font:inherit;text-align:left;cursor:pointer;border-radius:14px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .15s,background .15s,opacity .2s;display:flex}.choice:hover:not(:disabled){border-color:var(--primary);background:var(--primary-soft)}.choice:disabled{cursor:default}.choice .markdown p{margin:0}.choice-mark{background:var(--surface-2);border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:.85rem;font-weight:800;display:grid}.choice.is-correct{border-color:var(--success);background:#10b9811a}.choice.is-correct .choice-mark{background:var(--success);color:#fff}.choice.is-wrong{border-color:var(--danger);background:var(--danger-soft)}.choice.is-wrong .choice-mark{background:var(--danger);color:#fff}.choice.is-dim{opacity:.55}.short-answer{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.short-answer textarea{border:1px solid var(--border-strong);background:var(--bg-elevated);width:100%;color:var(--text);font:inherit;resize:vertical;border-radius:12px;padding:10px 12px}.answer-box{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:12px 16px;overflow:hidden}.answer-box.is-ok{background:#10b98114;border-color:#10b9814d}.answer-box.is-ng{background:var(--danger-soft);border-color:#ef444440}.answer-verdict{margin:0 0 6px;font-weight:800}.answer-box.is-ok .answer-verdict{color:var(--success)}.answer-box.is-ng .answer-verdict{color:var(--danger)}.answer-line{align-items:baseline;gap:10px;margin-bottom:4px;display:flex}.answer-line .markdown p{margin:0}.answer-box .link-btn{align-items:center;gap:5px;margin-top:6px;display:inline-flex}.question-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.test-result{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.test-result h2{margin:0;font-size:1.2rem;font-weight:800}.score-ring{--size:120px;width:var(--size);height:var(--size);background:conic-gradient(var(--primary) calc(var(--pct) * 1%), var(--surface-2) 0);border-radius:50%;place-items:center;display:grid}.score-ring span{width:calc(var(--size) - 22px);height:calc(var(--size) - 22px);background:var(--bg);color:var(--muted);border-radius:50%;place-items:center;font-size:.9rem;display:grid}.score-ring strong{color:var(--text);font-size:2rem}.result-list{text-align:left;flex-direction:column;gap:6px;width:100%;margin:8px 0 0;padding:0;list-style:none;display:flex}.result-list li{border:1px solid var(--border);background:var(--surface-solid);border-radius:12px;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.result-list li>svg{flex:none;margin-top:4px}.result-list li.is-ok>svg{color:var(--success)}.result-list li.is-ng>svg{color:var(--danger)}.result-list details{flex:1;min-width:0}.result-list summary{cursor:pointer;list-style:none}.result-list summary::-webkit-details-marker{display:none}.result-list summary .markdown p{margin:0}.result-detail{border-top:1px dashed var(--border-strong);margin-top:8px;padding-top:8px;font-size:.92rem}.result-detail p{margin:0}.input-answer{flex-wrap:wrap;gap:8px;display:flex}.input-answer input{border:1.5px solid var(--border-strong);background:var(--bg-elevated);min-width:200px;color:var(--text);font:inherit;border-radius:12px;flex:1;padding:10px 14px;font-size:1.05rem}.input-answer input:focus-visible{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}.input-answer.is-ok input{border-color:var(--success);background:#10b98114}.input-answer.is-ng input{border-color:var(--danger);background:var(--danger-soft)}.your-answer{color:var(--text-2);margin-left:10px;font-size:.85rem;font-weight:500}.order-answer{flex-direction:column;gap:10px;display:flex}.order-slots{border:1.5px dashed var(--border-strong);background:var(--surface-2);border-radius:14px;flex-wrap:wrap;align-items:center;gap:6px;min-height:52px;padding:8px 10px;display:flex}.order-answer.is-ok .order-slots{border:1.5px solid var(--success);background:#10b98114}.order-answer.is-ng .order-slots{border:1.5px solid var(--danger);background:var(--danger-soft)}.order-pool{flex-wrap:wrap;gap:6px;display:flex}.token{border:1.5px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);font:inherit;cursor:pointer;box-shadow:var(--shadow-sm);border-radius:10px;padding:6px 12px;font-size:1rem;transition:border-color .15s,transform .1s}.token:hover:not(:disabled){border-color:var(--primary)}.token:active:not(:disabled){transform:scale(.96)}.token.is-placed{background:var(--primary-soft);border-color:#6366f166}.token.is-ghost{visibility:hidden}.token:disabled{cursor:default}.scratch-pad{border:1.5px solid var(--border-strong);background:var(--bg-elevated);width:100%;color:var(--text);border-radius:14px;overflow:hidden}.scratch-pad canvas{touch-action:none;cursor:crosshair;background-image:linear-gradient(90deg,#6366f10f 1px,#0000 1px);background-size:60px 100%;width:100%;display:block}.scratch-pad.is-disabled canvas{cursor:default}.scratch-tools{border-top:1px solid var(--border);align-items:center;gap:4px;padding:2px 6px;display:flex}.study-items{border:1px solid var(--border-strong);background:var(--bg-elevated);width:100%;color:var(--text);font:inherit;resize:vertical;border-radius:12px;padding:8px 12px;font-size:.88rem}.gcal-menu>.menu-trigger{border:1px solid var(--border-strong);background:var(--bg-elevated);height:34px;color:var(--text);font:inherit;white-space:nowrap;border-radius:999px;gap:6px;padding:0 14px;font-size:.84rem;font-weight:600}.gcal-menu>.menu-trigger:hover{border-color:var(--primary);color:var(--primary)}.list-tools{align-items:center;gap:6px;padding:2px 14px 6px;display:flex}.mini-seg{background:var(--surface-2);border-radius:9px;padding:2px;display:inline-flex}.mini-seg button,.mini-btn{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;align-items:center;gap:4px;padding:3px 9px;font-size:.75rem;font-weight:600;display:inline-flex}.mini-seg button.is-on{background:var(--bg-elevated);color:var(--text);box-shadow:var(--shadow-sm)}.mini-btn:hover:not(:disabled),.mini-btn.is-on{background:var(--hover);color:var(--primary)}.mini-btn:disabled{opacity:.4;cursor:default}.mini-btn.is-danger:hover:not(:disabled){color:var(--danger);background:var(--danger-soft)}.subject-node{margin-bottom:2px}.subject-head{width:calc(100% - 16px);color:var(--text-2);font:inherit;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:6px;margin:4px 8px 0;padding:5px 8px;font-size:.82rem;font-weight:800;display:flex}.subject-head:hover{background:var(--hover)}.subject-head .subject-name{flex:1}.subject-name.is-muted{color:var(--muted);font-weight:700}.subject-head svg{transition:transform .2s var(--ease);flex:none}.rot-90{transform:rotate(-90deg)}.rot{transform:rotate(180deg)}.subject-body{overflow:hidden}.unit-heading{color:var(--muted);margin:6px 0 2px 30px;font-size:.7rem;font-weight:700}.conv-unit{color:var(--muted);font-size:.7rem}.conv-check{width:32px;height:32px;color:var(--primary);flex:none;place-items:center;display:grid}.conv-item.is-selected{background:var(--active);border-radius:10px}.classify-btn{background:var(--grad-soft);color:var(--text-2);font:inherit;cursor:pointer;border:1px dashed #8b5cf666;border-radius:10px;align-items:center;gap:6px;margin:4px 12px 6px;padding:6px 10px;font-size:.78rem;font-weight:600;display:inline-flex}.classify-btn svg{color:var(--violet)}.archived-section{border-top:1px solid var(--border);margin-top:10px;padding-top:6px}.archived-section .conv-item{opacity:.75}.bulk-bar{border:1px solid var(--border-strong);background:var(--bg-elevated);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;gap:6px;margin:0 10px 8px;padding:8px 10px;display:flex}.bulk-count{font-size:.78rem;font-weight:700}.bulk-actions{flex-wrap:wrap;gap:4px;display:flex}.bulk-menu>.menu-trigger{border-radius:7px;gap:4px;min-width:0;height:auto;padding:3px 9px;font-size:.75rem;font-weight:600}.review-tabs{margin-left:4px;font-size:.82rem}.review-tabs button{min-height:32px;padding:4px 12px}.review-tabs button>span{align-items:center;gap:5px;display:inline-flex}@media (width<=700px){.hide-narrow{display:none}}.review-toolbar{align-items:center;gap:8px;display:flex}.review-toolbar .grow{flex:1}.review-toolbar select{border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);font:inherit;border-radius:10px;padding:6px 10px;font-size:.82rem}.study-search .search-clear{color:var(--muted);cursor:pointer;background:0 0;border:0;place-items:center;display:grid}.chip-sep{background:var(--border-strong);align-self:stretch;width:1px;margin:2px 4px}.subject-tag{background:var(--primary-soft);color:var(--primary);vertical-align:1px;border-radius:6px;margin-right:6px;padding:0 7px;font-size:.72rem;font-weight:700;display:inline-block}.study-card.is-shelved{opacity:.8}.due-pill.is-mastered{color:var(--success);background:#10b9811f}.shelf-toggle{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:6px 4px;font-size:.82rem;font-weight:700;display:inline-flex}.shelf-toggle svg:last-child{transition:transform .2s var(--ease)}.shelf-list{overflow:hidden}.daily-ask{border-radius:var(--radius-lg);background:var(--warn-soft);border:1px dashed #f59e0b80;flex-wrap:wrap;align-items:center;gap:14px;padding:14px 16px;display:flex}.daily-ask>svg{color:var(--warn);flex:none}.daily-ask>div:first-of-type{flex:1;min-width:220px}.daily-ask p{margin:4px 0 0}.daily-card,.weak-card{border-radius:var(--radius-lg);width:100%;color:var(--text);font:inherit;text-align:left;cursor:pointer;background:linear-gradient(135deg,#f59e0b1f,#ec489914);border:1px solid #f59e0b59;align-items:center;gap:14px;padding:14px 16px;display:flex}.daily-card.is-busy{cursor:default;color:var(--muted)}.weak-card{background:var(--grad-soft);border-color:#8b5cf64d}.daily-icon,.weak-icon{color:#fff;background:linear-gradient(135deg,#f59e0b,#ec4899);border-radius:13px;flex:none;place-items:center;width:42px;height:42px;display:grid}.weak-icon{background:var(--grad)}.daily-text{flex-direction:column;flex:1;min-width:0;display:flex}.daily-text small{color:var(--muted);font-size:.78rem}.daily-go{background:var(--ink);color:var(--ink-text);border-radius:999px;flex:none;padding:6px 14px;font-size:.82rem;font-weight:700}.study-calendar{flex-direction:column;gap:14px;display:flex}.stat-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}@media (width<=700px){.stat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}.stat-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);box-shadow:var(--shadow-sm);align-items:center;gap:10px;padding:12px 14px;display:flex}.stat-card>span:last-child{flex-direction:column;display:flex}.stat-card small{color:var(--muted);font-size:.72rem}.stat-card strong{font-size:1.2rem;font-weight:800}.stat-icon{background:var(--primary-soft);width:34px;height:34px;color:var(--primary);border-radius:10px;flex:none;place-items:center;display:grid}.stat-card.is-accent .stat-icon{color:#fff;background:linear-gradient(135deg,#f59e0b,#ec4899)}.cal-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-solid);box-shadow:var(--shadow-sm);padding:16px 18px}.cal-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.cal-head h2{margin:0;font-size:1.05rem;font-weight:800}.cal-head small{margin-left:6px;font-size:.75rem;font-weight:500}.cal-section-title{margin:0 0 10px;font-size:1rem;font-weight:800}.cal-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;display:grid}.cal-week{text-align:center;color:var(--muted);padding:2px 0 4px;font-size:.72rem;font-weight:700}.cal-week.is-sun{color:#e5484d}.cal-week.is-sat{color:#2f6fde}.cal-day{aspect-ratio:1/.82;background:var(--surface-2);color:var(--text);font:inherit;cursor:pointer;border:1.5px solid #0000;border-radius:10px;flex-direction:column;justify-content:space-between;align-items:center;padding:5px 2px 6px;transition:border-color .15s,transform .1s;display:flex;position:relative}.cal-day:hover{border-color:#6366f159}.cal-day.lv-1{background:#6366f124}.cal-day.lv-2{background:#6366f147}.cal-day.lv-3{background:#6366f173}.cal-day.lv-4{color:#fff;background:#6366f1a6}.cal-day.is-other{opacity:.35}.cal-day.is-today .cal-num{background:var(--ink);color:var(--ink-text);border-radius:999px;padding:0 6px}.cal-day.is-selected{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.cal-num{font-size:.8rem;font-weight:700}.cal-marks{gap:3px;min-height:7px;display:flex}.cal-dot{border-radius:50%;width:7px;height:7px;display:inline-block}.cal-dot.is-done{background:var(--success)}.cal-dot.is-plan{background:var(--warn)}.cal-dot.is-late{background:var(--danger)}.cal-legend{flex-wrap:wrap;gap:12px;margin:10px 2px 4px;display:flex}.cal-legend>span{align-items:center;gap:4px;display:inline-flex}.cal-swatch{border-radius:3px;width:12px;height:12px;display:inline-block}.cal-swatch.lv-1{background:#6366f124}.cal-swatch.lv-2{background:#6366f159}.cal-swatch.lv-4{background:#6366f1a6}.cal-detail{border-top:1px solid var(--border);margin-top:10px;padding-top:12px}.cal-detail h3{margin:0 0 8px;font-size:.95rem;font-weight:800}.cal-block{margin-bottom:10px}.cal-block h4{color:var(--text-2);align-items:center;gap:6px;margin:0 0 4px;font-size:.8rem;display:flex}.cal-block ul{margin:0;padding-left:1.4rem;font-size:.88rem}.cal-block li{margin:2px 0}.score-chip{background:var(--surface-2);color:var(--muted);border-radius:999px;margin-left:8px;padding:0 8px;font-size:.72rem;font-weight:700;display:inline-block}.score-chip.is-good{color:var(--success);background:#10b98124}.score-chip.is-mid{background:var(--warn-soft);color:#b45309}.score-chip.is-low{background:var(--danger-soft);color:var(--danger)}.subject-stats{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.subject-stats li{grid-template-columns:5.5em 1fr auto auto;align-items:center;gap:10px;font-size:.85rem;display:grid}.subject-stats .subject-name{font-weight:700}.subject-bar{background:var(--surface-2);border-radius:999px;height:10px;overflow:hidden}.subject-bar span{border-radius:inherit;background:var(--grad);height:100%;display:block}.subject-num{color:var(--muted);white-space:nowrap;font-size:.78rem}@media (width<=560px){.subject-stats li{grid-template-columns:4.5em 1fr auto}.subject-num{display:none}}.file-viewer{z-index:105;background:var(--bg);flex-direction:column;display:flex;position:fixed;inset:0}.file-viewer-head{border-bottom:1px solid var(--border);background:var(--bg-elevated);align-items:center;gap:10px;padding:10px 16px;display:flex}.file-viewer-title{flex-direction:column;min-width:0;display:flex}.file-viewer-title strong{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.file-viewer-body{flex-direction:column;flex:1;align-items:center;gap:18px;padding:16px;display:flex;overflow-y:auto}.viewer-page{flex-direction:column;gap:6px;width:min(900px,100%);display:flex}.viewer-page-bar{justify-content:space-between;align-items:center;display:flex}.viewer-page img{width:100%;box-shadow:var(--shadow);background:#fff;border-radius:8px}.viewer-page-skeleton{aspect-ratio:1/1.414;border-radius:8px;width:100%}.attach-hint{background:var(--primary-soft);color:var(--text-2);border-radius:10px;flex-basis:100%;margin:0;padding:6px 10px;font-size:.78rem}.editor-download{flex:none;margin-left:8px}.lightbox .row{gap:8px}span.conv-thumb,.study-conv-thumb{background:var(--surface-2);border:1px solid var(--border);flex:none;display:inline-block}.study-conv-thumb{border-radius:7px;width:30px;height:30px}.viewer-page-sheet{box-shadow:var(--shadow);background:#fff;border-radius:8px;position:relative;overflow:hidden}.viewer-page-sheet img{width:100%;box-shadow:none;-webkit-user-select:none;user-select:none;border-radius:0;display:block}.viewer-text.textLayer{text-align:initial;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:1;--min-font-size:1;--text-scale-factor:calc(var(--total-scale-factor) * var(--min-font-size));--min-font-size-inv:calc(1 / var(--min-font-size));line-height:1;position:absolute;inset:0;overflow:clip}.viewer-text.textLayer :is(span,br){color:#0000;white-space:pre;cursor:text;transform-origin:0 0;position:absolute}.viewer-text.textLayer>:not(.markedContent),.viewer-text.textLayer .markedContent span:not(.markedContent){z-index:1;--font-height:0;font-size:calc(var(--text-scale-factor) * var(--font-height));--scale-x:1;--rotate:0deg;transform:rotate(var(--rotate)) scaleX(var(--scale-x)) scale(var(--min-font-size-inv))}.viewer-text.textLayer .markedContent{display:contents}.viewer-text.textLayer ::selection{background:#6366f14d}.viewer-text.textLayer br::selection{background:0 0}.ai-figures{gap:10px;margin:10px 0 4px;display:grid}.ai-figures.is-multi{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.ai-figure{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);box-shadow:var(--shadow-sm);margin:0;overflow:hidden}.ai-figure-img{cursor:zoom-in;background:#fff;border:0;width:100%;padding:10px;display:block;position:relative}.ai-figure-img img{object-fit:contain;width:100%;max-height:380px;display:block}.ai-figure-zoom{color:#fff;opacity:0;background:#0c0c188c;border-radius:8px;place-items:center;width:26px;height:26px;transition:opacity .15s;display:grid;position:absolute;top:8px;right:8px}.ai-figure-img:hover .ai-figure-zoom,.ai-figure-img:focus-visible .ai-figure-zoom{opacity:1}.ai-figure figcaption{border-top:1px solid var(--border);align-items:center;gap:8px;padding:8px 10px;font-size:.82rem;display:flex}.ai-figure-kind{background:var(--primary-soft);color:var(--primary);border-radius:6px;flex:none;padding:0 7px;font-size:.7rem;font-weight:700}.ai-figure-text{flex-direction:column;flex:1;min-width:0;display:flex}.ai-figure-text small{color:var(--muted)}.ai-figure-skeleton{height:200px}.markdown{line-height:1.9}.markdown .katex{font-size:1.12em}.markdown p:has(.katex .mfrac,.katex .msupsub,.katex .mop){line-height:2.2}.markdown strong:has(.katex){background:0 0}.msg-ai-body>div+div>.markdown>:first-child{margin-top:.55em}.check-question .markdown{line-height:1.7}.panel-files h3{color:var(--text-2);margin:4px 0 8px;font-size:.85rem;font-weight:800}.file-preview{flex-direction:column;gap:8px;display:flex}.file-preview-tabs{gap:4px;padding-bottom:2px;display:flex;overflow-x:auto}.file-preview-tabs button{border:1px solid var(--border-strong);background:var(--bg-elevated);max-width:180px;color:var(--text-2);font:inherit;cursor:pointer;border-radius:999px;flex:none;align-items:center;gap:5px;padding:4px 10px;font-size:.75rem;display:inline-flex}.file-preview-tabs button span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.file-preview-tabs button.is-on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.file-preview-body{flex-direction:column;gap:8px;display:flex}.file-preview-head{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);color:var(--text);font:inherit;text-align:left;cursor:pointer;align-items:center;gap:10px;padding:8px 10px;display:flex}.file-preview-head:hover{border-color:var(--primary)}.file-preview-head>svg{color:var(--muted);flex:none}.file-preview-name{flex-direction:column;flex:1;min-width:0;display:flex}.file-preview-name strong{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;overflow:hidden}.file-preview-name small{color:var(--muted);font-size:.72rem}.file-preview-pages{flex-direction:column;gap:10px;display:flex}.file-preview-page{border:1px solid var(--border);cursor:zoom-in;width:100%;min-height:160px;color:var(--muted);box-shadow:var(--shadow-sm);background:#fff;border-radius:10px;place-items:center;padding:0;display:grid;position:relative;overflow:hidden}.file-preview-page.skeleton{aspect-ratio:1/1.414}.file-preview-page img{width:100%;display:block}.file-preview-label{color:#fff;background:#0c0c1899;border-radius:999px;padding:1px 8px;font-size:.7rem;position:absolute;bottom:6px;right:6px}.plan-badge{background:var(--grad-soft);color:var(--text);font:inherit;text-align:left;cursor:pointer;border:1px solid #8b5cf640;border-radius:14px;align-items:center;gap:10px;margin:0 10px 8px;padding:10px 12px 12px;display:flex;position:relative;overflow:hidden}.plan-badge>svg{color:var(--violet);flex:none}.plan-badge span{flex-direction:column;min-width:0;display:flex}.plan-badge strong{font-size:.82rem}.plan-badge small{color:var(--muted);font-size:.72rem}.plan-badge.is-pro>svg{color:#f59e0b}.plan-badge.is-expired{background:var(--warn-soft);border-color:#f59e0b66}.plan-meter{background:#12131f14;border-radius:2px;height:3px;position:absolute;bottom:5px;left:12px;right:12px}.plan-meter i{border-radius:inherit;background:var(--grad);height:100%;display:block}.plan-dialog{gap:16px;width:min(460px,100%);position:relative}.plan-close{position:absolute;top:12px;right:12px}.plan-hero{text-align:center;flex-direction:column;align-items:center;gap:6px;padding-top:6px;display:flex}.plan-crown{color:#fff;background:linear-gradient(135deg,#f59e0b,#ec4899);border-radius:18px;place-items:center;width:58px;height:58px;display:grid;box-shadow:0 10px 30px -8px #ec489980}.plan-hero h2{margin:6px 0 0;font-size:1.25rem;font-weight:900}.plan-price{background:var(--grad);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:1.05rem;font-weight:800}.plan-reason{background:var(--surface-2);color:var(--text-2);border-radius:12px;margin:4px 0 0;padding:8px 12px;font-size:.85rem}.plan-reason.is-ok{color:var(--success);background:#10b9811a;align-items:center;gap:4px;display:inline-flex}.plan-features{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.plan-features li{align-items:center;gap:10px;font-size:.9rem;display:flex}.plan-feature-icon{background:var(--primary-soft);width:30px;height:30px;color:var(--primary);border-radius:9px;flex:none;place-items:center;display:grid}.plan-cta{width:100%}.plan-notes{color:var(--muted);flex-direction:column;gap:4px;margin:0;padding:0;font-size:.75rem;list-style:none;display:flex}.plan-notes li{align-items:flex-start;gap:4px;display:flex}.plan-links,.a-legal{color:var(--muted);text-align:center;flex-wrap:wrap;justify-content:center;gap:4px 12px;margin:0;font-size:.75rem;display:flex}.plan-links a,.a-legal a{color:var(--muted)}.plan-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.plan-row p{margin:4px 0 0}.legal{background:var(--bg);min-height:100dvh}.legal-head{justify-content:space-between;align-items:center;gap:12px;max-width:820px;margin:0 auto;padding:18px 20px;display:flex}.legal-back{color:var(--text-2);align-items:center;gap:6px;font-size:.88rem;display:inline-flex}.legal-body{max-width:820px;margin:0 auto;padding:8px 20px 60px;line-height:1.9}.legal-body h1{margin:10px 0 18px;font-size:1.5rem;font-weight:900}.legal-body h2{margin:22px 0 6px;font-size:1.05rem;font-weight:800}.legal-table{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid);margin:0;overflow:hidden}.legal-table>div{border-top:1px solid var(--border);grid-template-columns:12em 1fr;display:grid}.legal-table>div:first-child{border-top:0}.legal-table dt{background:var(--surface-2);padding:12px 14px;font-size:.88rem;font-weight:700}.legal-table dd{margin:0;padding:12px 14px;font-size:.9rem}@media (width<=600px){.legal-table>div{grid-template-columns:1fr}}.plan-badge.is-staff{cursor:default}.logo-text-accent{background:var(--grad);color:#0000;-webkit-background-clip:text;background-clip:text}.legal-nav{flex-wrap:wrap;gap:6px;max-width:820px;margin:0 auto;padding:0 20px 6px;display:flex}.legal-nav a{border:1px solid var(--border);color:var(--text-2);border-radius:999px;padding:6px 12px;font-size:.82rem;text-decoration:none}.legal-nav a[aria-current=page]{background:var(--text);color:var(--bg);border-color:#0000;font-weight:700}.legal-date{color:var(--muted);margin:-10px 0 18px;font-size:.85rem}.legal-body ol,.legal-body ul{margin:4px 0;padding-left:1.6em}.legal-body li{margin:2px 0}.legal-body section .legal-table{margin:8px 0}.legal-end{text-align:right;margin-top:28px}@media print{.legal-head,.legal-nav{display:none}}
