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var(--hairline);border-radius:var(--radius-md);background:var(--surface);color:var(--ink-1);box-shadow:var(--shadow-overlay);font-size:var(--fs-ui);line-height:var(--lh-ui);pointer-events:auto;animation:toast-in var(--motion-land) both}.toast-text{min-width:0}.toast-action{flex-shrink:0;height:26px;padding:0 10px;border:1px solid var(--hairline);border-radius:var(--radius-full);background:var(--paper-1);color:var(--brand);font-size:var(--fs-xs);font-weight:600;cursor:pointer;transition:background var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast)}.toast-action:hover{background:var(--brand-soft);border-color:var(--brand-glow)}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--error)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}40%{opacity:1}to{opacity:1;transform:none}}@media(max-width:700px){.toast-host{left:16px;right:16px;bottom:16px;align-items:stretch}.toast{max-width:none}}:root{--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--ink-1: #1d232b;--ink-2: #3c4654;--ink-3: #5f6b7a;--ink-4: #6b7280;--ink-icon: #767e8c;--ink-5: #c2c8d0;--paper-0: #fbf9f4;--paper-1: #f6f2ea;--paper-2: #f0ebe1;--paper-3: #e9e3d6;--surface: #ffffff;--bubble-user: #eff2f8;--lightbox-scrim: rgba(20, 22, 26, .78);--lightbox-card: var(--surface);--hairline: rgba(29, 35, 43, .09);--hairline-strong: rgba(29, 35, 43, .13);--hairline-emphasis: rgba(29, 35, 43, .17);--brand: #24437a;--brand-strong: #1b335c;--brand-soft: rgba(36, 67, 122, .08);--brand-glow: rgba(36, 67, 122, .14);--brand-gradient: linear-gradient(145deg, #2e5691 0%, #1b335c 100%);--cta: #20262e;--cta-hover: #2e3642;--cta-active: #171c22;--cta-disabled: rgba(32, 38, 46, .32);--cta-fg: #ffffff;--success: #0c7a4f;--success-soft: rgba(12, 122, 79, .1);--error: #c03b3b;--error-soft: rgba(192, 59, 59, .1);--warning: #b26a00;--warning-soft: rgba(178, 106, 0, .1);--syn-kw: #5a4a9e;--syn-fn: #2f5c9e;--syn-str: #2e7d32;--syn-num: #b26a00;--syn-com: #8a94a0;--syn-dec: #8a4a9e;--syn-var: #7a5230;--syn-attr: #3a6ea5;--syn-builtin: #9a5a00;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--radius-xl: var(--radius-lg);--radius-2xl: var(--radius-lg);--radius-3xl: var(--radius-lg);--shadow-overlay: 0 8px 24px rgba(36, 67, 122, .1), 0 2px 6px rgba(36, 67, 122, .06);--shadow-modal: 0 16px 40px rgba(36, 67, 122, .14);--shadow-inset-bottom: inset 0 -1px 0 rgba(23, 27, 32, .03);--shadow-sm: none;--shadow-md: none;--shadow-lg: var(--shadow-overlay);--shadow-xl: var(--shadow-overlay);--shadow-pop: var(--shadow-overlay);--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-7: 32px;--sp-8: 40px;--sp-9: 48px;--sp-10: 64px;--fs-xs: 12px;--fs-ui: 14px;--fs-chat: 16px;--fs-lg: 20px;--fs-xl: 28px;--fs-2xl: 40px;--lh-xs: 18px;--lh-ui: 22px;--lh-chat: 28px;--lh-lg: 28px;--lh-xl: 36px;--lh-2xl: 48px;--fs-caption: var(--fs-xs);--fs-body: var(--fs-ui);--fs-h3: var(--fs-chat);--fs-h2: var(--fs-lg);--fs-h1: var(--fs-xl);--fs-hero: var(--fs-2xl);--fs-display: var(--fs-2xl);--lh-caption: var(--lh-xs);--lh-body: var(--lh-ui);--lh-h3: var(--lh-chat);--lh-h2: var(--lh-lg);--lh-h1: var(--lh-xl);--lh-hero: var(--lh-2xl);--lh-display: var(--lh-2xl);--ease-out-quint: cubic-bezier(.22, 1, .36, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-in-out-quad: cubic-bezier(.4, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.4, .64, 1);--dur-instant: .1s;--dur-fast: .15s;--dur-base: .2s;--dur-slow: .3s;--motion-hover: var(--dur-instant) var(--ease-out-quint);--motion-fast: var(--dur-fast) var(--ease-out-quint);--motion-base: var(--dur-base) var(--ease-out-quint);--motion-enter: var(--dur-base) var(--ease-out-expo);--motion-exit: .12s var(--ease-out-quint);--motion-layout: var(--dur-slow) var(--ease-in-out-quad);--motion-land: var(--dur-slow) var(--ease-spring);--stagger: 40ms;--beat-breath: 1.2s;--beat-sweep: 1.4s;--beat-caret: 1s;--beat-spin: .7s;--focus-ring: 0 0 0 3px rgba(36, 67, 122, .14);--border-color: var(--hairline);--sidebar-bg: var(--paper-1);--main-bg: var(--paper-0);--app-bg: var(--paper-0);--text-primary: var(--ink-1);--text-secondary: var(--ink-3);--primary-color: var(--brand);--user-bubble-bg: var(--bubble-user);--ai-bubble-bg: var(--surface);--input-bg: var(--surface);--sidebar-active-bg: var(--paper-2);--default-font-family: var(--font-ui)}.theme-dark{-webkit-font-smoothing:antialiased;--ink-1: #e8eaf0;--ink-2: #c3c8d2;--ink-3: #979fad;--ink-4: #9aa3b2;--ink-icon: #8b94a3;--ink-5: #4a515c;--paper-0: #14161a;--paper-1: #1a1d23;--paper-2: #22262e;--paper-3: #2a2f38;--surface: #1c1f26;--bubble-user: #232a35;--lightbox-scrim: rgba(6, 7, 10, .84);--lightbox-card: var(--paper-3);--hairline: rgba(255, 255, 255, .1);--hairline-strong: rgba(255, 255, 255, .14);--hairline-emphasis: rgba(255, 255, 255, .2);--brand: #8fb0e8;--brand-strong: #a9c3f0;--brand-soft: rgba(143, 176, 232, .14);--brand-glow: rgba(143, 176, 232, .22);--brand-gradient: linear-gradient(145deg, #33568e 0%, #223c66 100%);--cta: #edf0f4;--cta-hover: #ffffff;--cta-active: #d5dae2;--cta-disabled: rgba(237, 240, 244, .3);--cta-ink: #14161a;--cta-fg: #14161a;--success: #4ec9a4;--success-soft: rgba(78, 201, 164, .12);--error: #ef6a6a;--error-soft: rgba(239, 106, 106, .12);--warning: #e3a856;--warning-soft: rgba(227, 168, 86, .12);--syn-kw: #c586c0;--syn-fn: #79c0ff;--syn-str: #9ecb8f;--syn-num: #e3a856;--syn-com: #7a828e;--syn-dec: #d2a8ff;--syn-var: #d4a97a;--syn-attr: #9cdcfe;--syn-builtin: #ffab70;--shadow-overlay: 0 8px 24px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .4);--shadow-modal: 0 16px 40px rgba(0, 0, 0, .55);--shadow-inset-bottom: inset 0 -1px 0 rgba(255, 255, 255, .04);--focus-ring: 0 0 0 3px rgba(143, 176, 232, .22);--border-color: var(--hairline);--sidebar-bg: var(--paper-1);--main-bg: var(--paper-0);--app-bg: var(--paper-0);--text-primary: var(--ink-1);--text-secondary: var(--ink-3);--primary-color: var(--brand);--user-bubble-bg: var(--bubble-user);--ai-bubble-bg: var(--surface);--input-bg: var(--surface);--sidebar-active-bg: var(--paper-2);--default-font-family: var(--font-ui)}html{-webkit-text-size-adjust:100%}:root{text-autospace:normal;text-spacing-trim:trim-start}.studio-workspace{--studio-mint: #8fc9b8;--studio-mint-soft: #e5efe7;--studio-butter: #f2d58b;--studio-note: #f8e8b7;--studio-lift: 5px 6px 0 #d8d0c1, 0 14px 28px #20201e12;--studio-paper: #faf7f0;--studio-cream: #f2e7d7;--studio-pink: #f58aa8;--studio-lime: #ddf247;--studio-ink: #20201e;--studio-stroke: #d9d3c8;--studio-hero-bg: #f58aa8;--studio-hero-fg: #20201e;--studio-marker: #ddf247;--studio-feature: #f2e7d7;--studio-on-accent: #20201e;--studio-border: 2px solid var(--studio-ink);--studio-shadow: 4px 4px 0 var(--studio-ink);--studio-shadow-small: 2px 2px 0 var(--studio-ink);--studio-radius: 10px;--studio-title-size: clamp(32px, 3.6vw, 52px);--studio-title-weight: 800;--ink-1: #20201e;--ink-2: #45433d;--ink-3: #625f58;--ink-4: #6d685e;--ink-icon: #756f63;--paper-0: var(--studio-paper);--paper-1: #f2eee5;--paper-2: #eae4d8;--paper-3: #e0d7c7;--surface: #fffefa;--hairline: #d9d3c8;--hairline-strong: #bfb8aa;--hairline-emphasis: #928a7c;--brand: #4c5730;--brand-strong: #333d1d;--brand-soft: #edf0db;--brand-glow: #cad299;--brand-gradient: linear-gradient(var(--studio-lime), var(--studio-lime));--bubble-user: #f2eee5;--cta: var(--studio-lime);--cta-hover: #d0e63b;--cta-active: #c7dc32;--cta-fg: var(--studio-ink);--cta-disabled: #d9d3c8;--focus-ring: 0 0 0 3px var(--brand-glow);--shadow-overlay: 0 8px 24px rgb(32 32 30 / 12%);--shadow-modal: 0 16px 40px rgb(32 32 30 / 18%);--shadow-lg: var(--shadow-overlay);--shadow-xl: var(--shadow-overlay);--shadow-pop: var(--shadow-overlay);--border-color: var(--hairline);--sidebar-bg: var(--paper-1);--main-bg: var(--paper-0);--app-bg: var(--paper-0);--text-primary: var(--ink-1);--text-secondary: var(--ink-3);--primary-color: var(--brand);--user-bubble-bg: var(--bubble-user);--ai-bubble-bg: var(--surface);--input-bg: var(--surface);--sidebar-active-bg: var(--paper-2)}.theme-dark .studio-workspace{--studio-mint-soft: #293c35;--studio-note: #403b29;--studio-lift: 5px 6px 0 #111611, 0 14px 28px #00000030;--studio-hero-bg: #523440;--studio-hero-fg: #fff0e8;--studio-marker: #596333;--studio-feature: #34362a;--ink-1: #f1eee5;--ink-2: #d7d2c6;--ink-3: #b7b0a4;--ink-4: #aaa397;--ink-icon: #aaa397;--paper-0: #20211d;--paper-1: #272822;--paper-2: #32342b;--paper-3: #3e4135;--surface: #292b25;--hairline: #474a3e;--hairline-strong: #686c59;--hairline-emphasis: #91977b;--brand: #d8e89a;--brand-strong: #e5f4b1;--brand-soft: #363d27;--brand-glow: #657340;--bubble-user: #32342b;--shadow-overlay: 0 8px 24px rgb(0 0 0 / 24%);--shadow-modal: 0 16px 40px rgb(0 0 0 / 32%)}@supports not (text-spacing-trim: trim-start){:root{font-feature-settings:"halt" 1}}pre,code,kbd,samp,.mdr-pre,.mdr-code,.mdr-inline{text-autospace:no-autospace;font-feature-settings:normal}.layout{--sidebar-width: 266px;position:relative;grid-template-columns:var(--sidebar-width) minmax(0,1fr);font-family:var(--font-ui);color:var(--ink-1);background:var(--paper-0);transition:grid-template-columns var(--dur-base) var(--ease-in-out-quad),background-color var(--dur-slow) var(--ease-out-quint),color var(--dur-slow) var(--ease-out-quint)}.load-earlier{display:flex;justify-content:center;padding:4px 0 18px}.load-earlier button{height:30px;padding:0 14px;border:1px solid var(--hairline-strong);border-radius:var(--radius-full);background:var(--surface);color:var(--ink-3);font-size:var(--fs-xs);cursor:pointer;transition:border-color var(--motion-fast),color var(--motion-fast),background var(--motion-fast)}.load-earlier button:hover:not(:disabled){border-color:var(--ink-icon);color:var(--ink-1);background:var(--paper-1)}.load-earlier button:disabled{opacity:.6;cursor:default}@media(hover:none){.load-earlier button{height:38px}}.voice-strip{display:flex;align-items:center;gap:10px;margin:0 0 8px;padding:8px 12px;border:1px solid var(--hairline);border-radius:var(--radius-md);background:var(--paper-1);color:var(--ink-2);font-size:var(--fs-sm);animation:ux-fade .15s var(--ease-out-quint) both}.voice-strip.recording{border-color:color-mix(in srgb,var(--error) 38%,transparent);background:color-mix(in srgb,var(--error) 6%,var(--surface))}.voice-strip-text{flex:none;font-variant-numeric:tabular-nums}.voice-dot{flex:none;width:9px;height:9px;border-radius:50%;background:var(--error);animation:ux-voice-pulse var(--beat-breath) var(--ease-in-out-quad) infinite}@keyframes ux-voice-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}.voice-meter{flex:1;min-width:60px;height:6px;border-radius:var(--radius-full);background:color-mix(in srgb,var(--ink-1) 10%,transparent);overflow:hidden}.voice-meter>i{display:block;height:100%;border-radius:var(--radius-full);background:var(--brand);transition:width var(--dur-instant) linear}.voice-strip.recording .voice-meter>i{background:var(--error)}.voice-strip-btn{flex:none;height:28px;padding:0 12px;border:1px solid var(--cta);border-radius:var(--radius-full);background:var(--cta);color:var(--cta-fg);font-size:var(--fs-xs);cursor:pointer}.voice-strip-btn.ghost{border-color:var(--hairline-strong);background:transparent;color:var(--ink-3)}.voice-strip-btn:hover{opacity:.9}.voice-spinner{flex:none;width:13px;height:13px;border:2px solid color-mix(in srgb,var(--brand) 30%,transparent);border-top-color:var(--brand);border-radius:50%;animation:ux-spin var(--beat-spin) linear infinite}@keyframes 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var(--hairline-strong);border-radius:var(--radius-sm);background:var(--paper-1);color:var(--ink-2);font-size:var(--fs-xs)}.studio-workspace .skill-gallery-more button{min-height:44px;padding:var(--sp-2) var(--sp-8);border:1px dashed var(--hairline-emphasis);border-radius:var(--radius-sm);background:var(--paper-1);color:var(--ink-1);font-size:var(--fs-ui);font-weight:600;transition:transform var(--motion-hover),box-shadow var(--motion-hover),border-color var(--motion-fast),background var(--motion-fast)}.studio-workspace .skill-gallery-more button:hover{border-style:solid;border-color:var(--ink-1);background:var(--studio-feature);transform:translateY(-2px);box-shadow:var(--studio-shadow-small)}.studio-workspace .expert-cards{gap:var(--sp-4)}.studio-workspace .expert-card{position:relative;padding:var(--sp-5);border:1px solid var(--hairline-strong);border-radius:var(--radius-md);background:var(--surface);box-shadow:none;transition:transform var(--motion-base),box-shadow 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