/* ==========================================================================
   OIHelp studio themes — four complete visual systems.
   terminal  竞赛终端   ink-black grid, phosphor green, monospace labels
   editorial 编辑杂志   warm paper, Song display type, vermilion, printed rules
   glass     光感玻璃   aurora gradient, frosted surfaces, violet→cyan
   brutal    粗野瑞士   thick outlines, hard offset shadows, loud colour blocks

   Loaded last. Classic styles (clear / paper / mint) are untouched: every rule
   here is scoped to html[data-ui-family="studio"] (set by experience.js) or to
   one studio theme. Layout, display and transform are left to the base layers;
   this file owns colour, type, shape, depth and ornament.
   ========================================================================== */

@font-face{font-family:'OI Serif';src:url('/vendor/fonts/NotoSerifSC-Bold-subset.woff') format('woff');font-weight:600 900;font-style:normal;font-display:swap}
@font-face{font-family:'OI Heavy';src:url('/vendor/fonts/NotoSansSC-Black-subset.woff') format('woff');font-weight:800 900;font-style:normal;font-display:swap}

/* --------------------------------------------------------------------------
   1. Tokens
   Legacy variables keep every existing component coherent; --st-* variables
   drive the shared studio component layer below.
   -------------------------------------------------------------------------- */

html[data-ui-family="studio"] body,html[data-ui-family="studio"] body.light-mode{
  --st-font-body:Inter,'PingFang SC','Hiragino Sans GB','Microsoft YaHei UI','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
  --st-font-mono:'JetBrains Mono',Consolas,'Microsoft YaHei',monospace;
  --font-mono:var(--st-font-mono);
  --st-display-weight:700;--st-display-spacing:-.02em;
  --st-label-font:var(--st-font-body);--st-label-size:11px;--st-label-spacing:.12em;--st-label-transform:uppercase;--st-label-ink:var(--text-muted);
  --st-card-filter:none;--st-pill-radius:999px;
  --indigo:var(--primary);--purple:var(--primary-dark);--muted:var(--text-muted);--accent-color:var(--accent);--border-color:var(--border);--luogu-primary:var(--primary);
}

/* ---- terminal ---------------------------------------------------------- */
html[data-ui-theme="terminal"] body,html[data-ui-theme="terminal"] body.light-mode{
  --primary:#3dffa8;--primary-dark:#26e08e;--primary-light:#1f7a55;--primary-bg:rgba(61,255,168,.09);
  --bg-primary:#0b0d10;--bg-secondary:#111419;--bg-tertiary:#181c23;--bg-hover:#1c222a;
  --text-primary:#e8ebef;--text-secondary:#a9b2bf;--text-muted:#808a98;--text-placeholder:#5e6875;
  --border:#262c35;--border-light:#1c2129;--accent:#ffb547;--error:#ff6b76;--danger:#ff6b76;--success:#3dffa8;--warning:#ffb547;
  --error-bg:rgba(255,107,118,.1);--success-bg:rgba(61,255,168,.1);--warning-bg:rgba(255,181,71,.1);--input-bg:#0d1014;--surface-2:#151920;
  --shadow-sm:0 0 0 1px #20262e;--shadow-md:0 10px 30px rgba(0,0,0,.45);--shadow-lg:0 20px 50px rgba(0,0,0,.55);--shadow-xl:0 28px 80px rgba(0,0,0,.6);
  --ui-radius:6px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:10px;--ui-surface-shadow:0 0 0 1px #262c35,0 18px 40px rgba(0,0,0,.5);
  color-scheme:dark;
  --st-font-display:'OI Grotesk',var(--st-font-body);
  --st-label-font:var(--st-font-mono);--st-label-size:11px;--st-label-spacing:.14em;
  --st-canvas:radial-gradient(1100px 620px at -8% -12%,rgba(61,255,168,.07),transparent 62%),radial-gradient(900px 520px at 110% 110%,rgba(90,140,255,.05),transparent 60%),linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px) 0 0/32px 32px,linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px) 0 0/32px 32px,#0b0d10;
  --st-surface:#111419;--st-surface-strong:#12161c;
  --st-card-border:1px solid #232932;--st-card-radius:8px;--st-control-radius:6px;
  --st-card-shadow:none;--st-card-shadow-hover:0 0 0 1px rgba(61,255,168,.35);--st-pop-shadow:0 0 0 1px #2a313b,0 22px 50px rgba(0,0,0,.6);
  --st-sidebar-bg:#0c0e12;--st-sidebar-border:1px solid #1f252d;
  --st-nav-active-bg:rgba(61,255,168,.08);--st-nav-active-ink:#3dffa8;--st-nav-active-mark:inset 2px 0 0 #3dffa8;
  --st-header-bg:rgba(11,13,16,.72);--st-header-border:1px solid #1f252d;
  --st-btn-primary-bg:#3dffa8;--st-btn-primary-ink:#04140c;--st-btn-primary-border:1px solid #3dffa8;--st-btn-primary-shadow:0 0 0 1px rgba(61,255,168,.25),0 8px 22px rgba(61,255,168,.16);--st-btn-primary-hover-bg:#7dffc5;
  --st-btn-bg:transparent;--st-btn-ink:#dfe3e8;--st-btn-border:1px solid #2c333d;--st-btn-shadow:none;--st-btn-hover-bg:rgba(61,255,168,.07);--st-btn-hover-ink:#3dffa8;--st-btn-hover-border:#3dffa8;
  --st-input-bg:#0d1014;--st-input-border:1px solid #2a313b;--st-input-focus:0 0 0 1px #3dffa8,0 0 0 4px rgba(61,255,168,.14);
  --st-tab-active-bg:rgba(61,255,168,.09);--st-tab-active-ink:#3dffa8;--st-tab-active-mark:inset 0 -2px 0 #3dffa8;
  --st-user-bg:#141a21;--st-user-ink:#e8ebef;--st-user-border:1px solid #2c3642;--st-user-radius:6px;--st-user-shadow:inset 2px 0 0 #3dffa8;
  --st-answer-bg:transparent;--st-answer-border:0;--st-answer-radius:0;--st-answer-shadow:inset 1px 0 0 #232932;
  --st-code-bg:#07090b;--st-code-border:1px solid #1e242c;--st-code-radius:6px;--st-code-shadow:none;
  --st-inline-code-bg:#161b22;--st-inline-code-ink:#8ff5c6;--st-inline-code-border:1px solid #242b35;
  --st-selection:rgba(61,255,168,.28);
  --glyph-ink:#3dffa8;--glyph-accent:#ffb547;--glyph-muted:#5e6875;
}

/* ---- editorial --------------------------------------------------------- */
html[data-ui-theme="editorial"] body,html[data-ui-theme="editorial"] body.light-mode{
  --primary:#c2371f;--primary-dark:#9a2a15;--primary-light:#e7a594;--primary-bg:#f3e0d6;
  --bg-primary:#f3ede2;--bg-secondary:#faf6ef;--bg-tertiary:#ebe3d5;--bg-hover:#efe7d9;
  --text-primary:#1c1814;--text-secondary:#4a433a;--text-muted:#6f665a;--text-placeholder:#8c8274;
  --border:#d6cab7;--border-light:#e4dbcb;--accent:#1f3a5f;--error:#b3261e;--danger:#b3261e;--success:#2e6b3a;--warning:#8f6412;
  --error-bg:rgba(179,38,30,.08);--success-bg:rgba(46,107,58,.09);--warning-bg:rgba(143,100,18,.1);--input-bg:#fdfaf4;--surface-2:#f6f0e5;
  --shadow-sm:none;--shadow-md:0 1px 0 #d6cab7;--shadow-lg:0 14px 34px rgba(60,40,20,.12);--shadow-xl:0 24px 60px rgba(60,40,20,.16);
  --ui-radius:2px;--radius-sm:2px;--radius-md:2px;--radius-lg:3px;--radius-xl:4px;--ui-surface-shadow:0 18px 40px rgba(60,40,20,.14);
  color-scheme:light;
  --st-font-display:'OI Serif','Songti SC','STSong','Noto Serif CJK SC','Source Han Serif SC','SimSun',Georgia,'Times New Roman',serif;
  --st-display-spacing:0;
  --st-label-spacing:.22em;--st-label-ink:#6f665a;
  --st-canvas:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .25 0 0 0 0 .15 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),#f3ede2;
  --st-surface:#faf6ef;--st-surface-strong:#fbf8f2;
  --st-card-border:1px solid #d6cab7;--st-card-radius:2px;--st-control-radius:2px;
  --st-card-shadow:none;--st-card-shadow-hover:0 0 0 1px #1c1814;--st-pop-shadow:0 1px 0 #1c1814,0 18px 44px rgba(60,40,20,.16);
  --st-sidebar-bg:#efe8dc;--st-sidebar-border:1px solid #cdbfa9;
  --st-nav-active-bg:transparent;--st-nav-active-ink:#1c1814;--st-nav-active-mark:inset 3px 0 0 #c2371f;
  --st-header-bg:rgba(243,237,226,.9);--st-header-border:3px double #1c1814;
  --st-btn-primary-bg:#1c1814;--st-btn-primary-ink:#faf6ef;--st-btn-primary-border:1px solid #1c1814;--st-btn-primary-shadow:none;--st-btn-primary-hover-bg:#c2371f;
  --st-btn-bg:transparent;--st-btn-ink:#1c1814;--st-btn-border:1px solid #1c1814;--st-btn-shadow:none;--st-btn-hover-bg:#1c1814;--st-btn-hover-ink:#faf6ef;--st-btn-hover-border:#1c1814;
  --st-input-bg:#fdfaf4;--st-input-border:1px solid #c9bca6;--st-input-focus:0 0 0 1px #1c1814,3px 3px 0 #e7a594;
  --st-tab-active-bg:transparent;--st-tab-active-ink:#c2371f;--st-tab-active-mark:inset 0 -2px 0 #c2371f;
  --st-user-bg:#efe6d7;--st-user-ink:#1c1814;--st-user-border:0;--st-user-radius:2px;--st-user-shadow:inset 3px 0 0 #c2371f;
  --st-answer-bg:transparent;--st-answer-border:0;--st-answer-radius:0;--st-answer-shadow:none;
  --st-code-bg:#efe8db;--st-code-border:1px solid #d6cab7;--st-code-radius:2px;--st-code-shadow:none;
  --st-inline-code-bg:#ebe2d2;--st-inline-code-ink:#9a2a15;--st-inline-code-border:0;
  --st-selection:rgba(194,55,31,.18);
  --glyph-ink:#1c1814;--glyph-accent:#c2371f;--glyph-muted:#a39884;
}

/* ---- glass ------------------------------------------------------------- */
html[data-ui-theme="glass"] body,html[data-ui-theme="glass"] body.light-mode{
  --primary:#7c3aed;--primary-dark:#6427d6;--primary-light:#c4b5fd;--primary-bg:rgba(124,58,237,.1);
  --bg-primary:#f3f1ff;--bg-secondary:rgba(255,255,255,.62);--bg-tertiary:rgba(255,255,255,.5);--bg-hover:rgba(255,255,255,.72);
  --text-primary:#1e1b4b;--text-secondary:#46437a;--text-muted:#67649a;--text-placeholder:#8986b3;
  --border:rgba(124,58,237,.16);--border-light:rgba(124,58,237,.09);--accent:#06b6d4;--error:#e11d48;--danger:#e11d48;--success:#059669;--warning:#c2410c;
  --error-bg:rgba(225,29,72,.08);--success-bg:rgba(5,150,105,.09);--warning-bg:rgba(194,65,12,.08);--input-bg:rgba(255,255,255,.7);--surface-2:rgba(255,255,255,.55);
  --shadow-sm:0 1px 2px rgba(76,29,149,.06);--shadow-md:0 10px 30px rgba(76,29,149,.1);--shadow-lg:0 20px 50px rgba(76,29,149,.14);--shadow-xl:0 30px 80px rgba(76,29,149,.18);
  --ui-radius:14px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:26px;--ui-surface-shadow:0 20px 50px rgba(76,29,149,.16);
  color-scheme:light;
  --st-font-display:'OI Grotesk',var(--st-font-body);
  --st-label-spacing:.1em;--st-label-ink:#7c77b0;
  --st-canvas:radial-gradient(900px 640px at 8% 6%,rgba(167,139,250,.55),transparent 62%),radial-gradient(760px 560px at 92% 10%,rgba(103,232,249,.45),transparent 60%),radial-gradient(820px 620px at 76% 96%,rgba(240,171,252,.45),transparent 62%),radial-gradient(700px 520px at 6% 92%,rgba(147,197,253,.45),transparent 60%),#f3f1ff;
  --st-surface:rgba(255,255,255,.58);--st-surface-strong:rgba(255,255,255,.9);
  --st-card-border:1px solid rgba(255,255,255,.75);--st-card-radius:22px;--st-control-radius:14px;
  --st-card-filter:blur(22px) saturate(165%);
  --st-card-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 14px 40px rgba(76,29,149,.09);--st-card-shadow-hover:inset 0 1px 0 rgba(255,255,255,.9),0 18px 48px rgba(76,29,149,.16);--st-pop-shadow:inset 0 1px 0 #fff,0 24px 60px rgba(76,29,149,.22);
  --st-sidebar-bg:rgba(255,255,255,.5);--st-sidebar-border:1px solid rgba(255,255,255,.8);
  --st-nav-active-bg:rgba(255,255,255,.9);--st-nav-active-ink:#6427d6;--st-nav-active-mark:0 6px 18px rgba(124,58,237,.14);
  --st-header-bg:rgba(255,255,255,.34);--st-header-border:1px solid rgba(255,255,255,.7);
  --st-btn-primary-bg:linear-gradient(120deg,#7c3aed 0%,#6366f1 48%,#06b6d4 100%);--st-btn-primary-ink:#fff;--st-btn-primary-border:1px solid rgba(255,255,255,.35);--st-btn-primary-shadow:0 10px 26px rgba(99,102,241,.32),inset 0 1px 0 rgba(255,255,255,.35);--st-btn-primary-hover-bg:linear-gradient(120deg,#6d28d9 0%,#4f46e5 48%,#0891b2 100%);
  --st-btn-bg:rgba(255,255,255,.6);--st-btn-ink:#2e2a66;--st-btn-border:1px solid rgba(255,255,255,.85);--st-btn-shadow:0 4px 14px rgba(76,29,149,.07);--st-btn-hover-bg:rgba(255,255,255,.92);--st-btn-hover-ink:#6427d6;--st-btn-hover-border:rgba(124,58,237,.25);
  --st-input-bg:rgba(255,255,255,.66);--st-input-border:1px solid rgba(124,58,237,.14);--st-input-focus:0 0 0 1px rgba(124,58,237,.45),0 0 0 5px rgba(124,58,237,.12);
  --st-tab-active-bg:rgba(255,255,255,.95);--st-tab-active-ink:#6427d6;--st-tab-active-mark:0 4px 14px rgba(124,58,237,.14);
  --st-user-bg:linear-gradient(135deg,#7c3aed,#6366f1 55%,#3b82f6);--st-user-ink:#fff;--st-user-border:0;--st-user-radius:22px 22px 6px 22px;--st-user-shadow:0 12px 30px rgba(99,102,241,.3);
  --st-answer-bg:rgba(255,255,255,.58);--st-answer-border:1px solid rgba(255,255,255,.8);--st-answer-radius:22px 22px 22px 6px;--st-answer-shadow:inset 0 1px 0 #fff,0 14px 40px rgba(76,29,149,.09);
  --st-code-bg:rgba(24,20,62,.94);--st-code-border:1px solid rgba(255,255,255,.08);--st-code-radius:16px;--st-code-shadow:0 14px 34px rgba(30,27,75,.25);
  --st-inline-code-bg:rgba(124,58,237,.1);--st-inline-code-ink:#5b21b6;--st-inline-code-border:0;
  --st-selection:rgba(124,58,237,.22);
  --glyph-ink:#7c3aed;--glyph-accent:#06b6d4;--glyph-muted:#a5a0d8;
}

/* ---- brutal ------------------------------------------------------------ */
html[data-ui-theme="brutal"] body,html[data-ui-theme="brutal"] body.light-mode{
  --primary:#2b59ff;--primary-dark:#1a3fd6;--primary-light:#9fb4ff;--primary-bg:#fff38a;
  --bg-primary:#f3f0e6;--bg-secondary:#fff;--bg-tertiary:#ece8dc;--bg-hover:#fff7b8;
  --text-primary:#0a0a0a;--text-secondary:#1f1f1f;--text-muted:#474747;--text-placeholder:#6b6b6b;
  --border:#0a0a0a;--border-light:rgba(10,10,10,.22);--accent:#ffe500;--error:#e5261b;--danger:#e5261b;--success:#00a852;--warning:#e56b00;
  --error-bg:#ffd6d2;--success-bg:#c9f5dd;--warning-bg:#ffe3c2;--input-bg:#fff;--surface-2:#fff;
  --shadow-sm:3px 3px 0 #0a0a0a;--shadow-md:5px 5px 0 #0a0a0a;--shadow-lg:7px 7px 0 #0a0a0a;--shadow-xl:9px 9px 0 #0a0a0a;
  --ui-radius:4px;--radius-sm:3px;--radius-md:4px;--radius-lg:5px;--radius-xl:6px;--ui-surface-shadow:6px 6px 0 #0a0a0a;
  color-scheme:light;
  --st-pink:#ff4d8d;--st-yellow:#ffe500;--st-green:#00d26a;--st-blue:#2b59ff;--st-ink:#0a0a0a;
  --st-font-display:'OI Grotesk','OI Heavy','PingFang SC','Microsoft YaHei',sans-serif;
  --st-display-weight:900;--st-display-spacing:-.025em;
  --st-label-spacing:.08em;--st-label-ink:#0a0a0a;
  --st-canvas:radial-gradient(rgba(10,10,10,.09) 1.1px,transparent 1.4px) 0 0/22px 22px,#f3f0e6;
  --st-surface:#fff;--st-surface-strong:#fff;
  --st-card-border:2.5px solid #0a0a0a;--st-card-radius:4px;--st-control-radius:4px;
  --st-card-shadow:5px 5px 0 #0a0a0a;--st-card-shadow-hover:7px 7px 0 #0a0a0a;--st-pop-shadow:7px 7px 0 #0a0a0a;
  --st-sidebar-bg:#ffe500;--st-sidebar-border:3px solid #0a0a0a;
  --st-nav-active-bg:#0a0a0a;--st-nav-active-ink:#fff;--st-nav-active-mark:4px 4px 0 #ff4d8d;
  --st-header-bg:#fff;--st-header-border:3px solid #0a0a0a;
  --st-btn-primary-bg:#2b59ff;--st-btn-primary-ink:#fff;--st-btn-primary-border:2.5px solid #0a0a0a;--st-btn-primary-shadow:3px 3px 0 #0a0a0a;--st-btn-primary-hover-bg:#1a3fd6;
  --st-btn-bg:#fff;--st-btn-ink:#0a0a0a;--st-btn-border:2.5px solid #0a0a0a;--st-btn-shadow:3px 3px 0 #0a0a0a;--st-btn-hover-bg:#ffe500;--st-btn-hover-ink:#0a0a0a;--st-btn-hover-border:#0a0a0a;
  --st-input-bg:#fff;--st-input-border:2.5px solid #0a0a0a;--st-input-focus:4px 4px 0 #2b59ff;
  --st-tab-active-bg:#ffe500;--st-tab-active-ink:#0a0a0a;--st-tab-active-mark:inset 0 0 0 2.5px #0a0a0a;
  --st-user-bg:#2b59ff;--st-user-ink:#fff;--st-user-border:2.5px solid #0a0a0a;--st-user-radius:4px;--st-user-shadow:4px 4px 0 #0a0a0a;
  --st-answer-bg:#fff;--st-answer-border:2.5px solid #0a0a0a;--st-answer-radius:4px;--st-answer-shadow:6px 6px 0 #0a0a0a;
  --st-code-bg:#0a0a0a;--st-code-border:2.5px solid #0a0a0a;--st-code-radius:4px;--st-code-shadow:5px 5px 0 #ff4d8d;
  --st-inline-code-bg:#ffe500;--st-inline-code-ink:#0a0a0a;--st-inline-code-border:1.5px solid #0a0a0a;
  --st-selection:#ffe500;
  --glyph-ink:#0a0a0a;--glyph-accent:#ff4d8d;--glyph-muted:#0a0a0a;
}

/* --------------------------------------------------------------------------
   2. Shared studio component layer
   -------------------------------------------------------------------------- */

html[data-ui-family="studio"] body{font-family:var(--st-font-body)!important;background:var(--st-canvas)!important;background-attachment:fixed!important;color:var(--text-primary)}
html[data-ui-family="studio"] ::selection{background:var(--st-selection);color:inherit}
html[data-ui-family="studio"] :is(h1,h2,h3,h4){font-family:var(--st-font-display);font-weight:var(--st-display-weight);letter-spacing:var(--st-display-spacing)}
html[data-ui-family="studio"] body :is(code,kbd,samp,pre){font-family:var(--st-font-mono)}
html[data-ui-family="studio"] *{scrollbar-color:color-mix(in srgb,var(--text-muted) 45%,transparent) transparent;scrollbar-width:thin}

/* Canvas: pages and shells are transparent so the theme canvas shows through. */
html[data-ui-family="studio"] :is(.workspace-shell,.workspace-main,.workspace-main>.page,#appPage,#appPage .app-container,#appPage .main-content){background:transparent!important}
html[data-ui-family="studio"] .workspace-main :is(.admin-container,.profile-page-container,.research-page-container){background:transparent!important}
html[data-ui-family="studio"] .workspace-main :is(.admin-container,.profile-page-container,.research-page-container)::before{opacity:0!important}
html[data-ui-family="studio"] body:not([data-background-mode="random"]) #appPage .main-content::before{background-image:none!important;background:none!important}

/* ---- Sidebar ---- */
html[data-ui-family="studio"] .workspace-shell>.sidebar{background:var(--st-sidebar-bg)!important;border-right:var(--st-sidebar-border)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter)}
html[data-ui-family="studio"] .studio-wordmark{font-family:var(--st-font-display)}
html[data-ui-family="studio"] .sidebar-conversations-label,html[data-ui-family="studio"] .sidebar-favorites-title,html[data-ui-family="studio"] .sidebar-favorites-toggle>span:first-child{font-family:var(--st-label-font)!important;font-size:var(--st-label-size)!important;letter-spacing:var(--st-label-spacing)!important;text-transform:var(--st-label-transform);color:var(--st-label-ink)!important;font-weight:600!important}
html[data-ui-family="studio"] .workspace-shell .sidebar #newChatBtn{background:var(--st-btn-primary-bg)!important;color:var(--st-btn-primary-ink)!important;border:var(--st-btn-primary-border)!important;box-shadow:var(--st-btn-primary-shadow)!important;border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] .workspace-shell .sidebar #newChatBtn:hover{background:var(--st-btn-primary-hover-bg)!important}
html[data-ui-family="studio"] .workspace-shell .sidebar button[data-control-kind="navigation"],html[data-ui-family="studio"] .workspace-shell .sidebar .sidebar-tools-summary{border-radius:var(--st-control-radius)!important;color:var(--text-secondary)!important}
html[data-ui-family="studio"] .workspace-shell .sidebar button[data-control-kind="navigation"]:hover,html[data-ui-family="studio"] .workspace-shell .sidebar .sidebar-tools-summary:hover{background:var(--bg-hover)!important;color:var(--text-primary)!important}
html[data-ui-family="studio"] .workspace-shell .sidebar button[aria-current="page"]{background:var(--st-nav-active-bg)!important;color:var(--st-nav-active-ink)!important;box-shadow:var(--st-nav-active-mark)!important}
html[data-ui-family="studio"] .workspace-shell .conv-item{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] .workspace-shell .conv-item:hover{background:var(--bg-hover)!important}
html[data-ui-family="studio"] .workspace-shell .conv-item.active{background:var(--st-nav-active-bg)!important;box-shadow:var(--st-nav-active-mark)!important}
html[data-ui-family="studio"] .workspace-shell .conv-item.active .conv-item-title{color:var(--st-nav-active-ink)!important}
html[data-ui-family="studio"] .conv-item-time{font-family:var(--st-label-font);font-size:11px}
html[data-ui-family="studio"] .conv-item-badge{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] .sidebar-footer{border-top:1px solid var(--border)!important}
html[data-ui-family="studio"] .workspace-mobile-header{background:var(--st-header-bg)!important;border-bottom:var(--st-header-border)!important;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text-primary)}
html[data-ui-family="studio"] .workspace-mobile-header>span{font-family:var(--st-font-display);font-weight:var(--st-display-weight)}

/* ---- Headers ---- */
html[data-ui-family="studio"] #appPage .chat-header,html[data-ui-family="studio"] .workspace-main .chat-header{background:var(--st-header-bg)!important;border-bottom:var(--st-header-border)!important;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:none!important}
html[data-ui-family="studio"] #appPage .chat-title-wrapper h2{font-family:var(--st-font-display)!important;font-weight:var(--st-display-weight)!important;letter-spacing:var(--st-display-spacing)}
html[data-ui-family="studio"] .workspace-main :is(.admin-header,.profile-header,.research-header){background:var(--st-header-bg)!important;border-bottom:var(--st-header-border)!important;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
html[data-ui-family="studio"] .workspace-main :is(.admin-header,.profile-header,.research-header) h1{font-family:var(--st-font-display)!important;font-weight:var(--st-display-weight)!important;letter-spacing:var(--st-display-spacing)}
html[data-ui-family="studio"] .workspace-main .admin-heading-block p{font-family:var(--st-label-font);letter-spacing:.02em}
html[data-ui-family="studio"] .workspace-main .points-display{border:var(--st-card-border)!important;border-radius:var(--st-control-radius)!important;background:var(--st-surface)!important;color:var(--text-primary)!important;font-family:var(--st-label-font);box-shadow:var(--st-card-shadow)!important}

/* ---- Surfaces (cards, panels, sections) ---- */
html[data-ui-family="studio"] .workspace-main :is(.profile-card,.admin-card,.training-panel,.daily-schedule-panel,.wrongbook-panel,.csp-filter-panel,.csp-info-panel,.csp-history-panel,.csp-contest-preview-panel,.csp-contest-active-panel,.csp-scoreboard-panel,.csp-explain-panel,.leaderboard-section,.achievement-card,.message-card,.achievement-hero,.admin-section,.messages-page-list,.messages-page-reader,.wrongbook-sidebar,.wrongbook-detail),
html[data-ui-family="studio"] .ui-disclosure:not(.ui-tool-menu),
html[data-ui-family="studio"] .ui-inline-settings{background:var(--st-surface)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-card-shadow)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter);color:var(--text-primary)}
html[data-ui-family="studio"] #wrongbookPage :is(.wrongbook-browser,.wrongbook-detail){background:var(--st-surface)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-card-shadow)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter)}
html[data-ui-family="studio"] #wrongbookPage .wrongbook-detail>.ui-disclosure{background:transparent!important;border:0!important;border-bottom:1px solid var(--border-light)!important;border-radius:0!important;box-shadow:none!important;backdrop-filter:none}
html[data-ui-family="studio"] .wrongbook-detail-empty>span{color:var(--primary)!important}
html[data-ui-family="studio"] .workspace-main .admin-header.csp-page-header{margin:0!important;border-radius:0!important;border-left:0!important;border-right:0!important;border-top:0!important}
html[data-ui-family="studio"] .ui-disclosure:not(.ui-tool-menu) .ui-disclosure:not(.ui-tool-menu){box-shadow:none!important;backdrop-filter:none;-webkit-backdrop-filter:none}
html[data-ui-family="studio"] .workspace-main :is(.profile-card,.admin-card,.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section) :is(h2,h3){font-family:var(--st-font-display);font-weight:var(--st-display-weight)}
html[data-ui-family="studio"] :is(.csp-history-card,.admin-stat-card,.wrongbook-summary-card,.message-thread-item,.wrongbook-list-item,.tc-day,.pcal-cell:not(.empty)){border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] .csp-history-card{background:var(--surface-2)!important;border:var(--st-card-border)!important;box-shadow:none!important}
html[data-ui-family="studio"] .admin-stat-card{background:var(--surface-2)!important;border:var(--st-card-border)!important;box-shadow:none!important}
html[data-ui-family="studio"] .ui-tool-menu>.ui-disclosure-body,html[data-ui-family="studio"] #appPage .model-dropdown,html[data-ui-family="studio"] .model-dropdown{background:var(--st-surface-strong)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-pop-shadow)!important;backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%)}

/* ---- Controls ---- */
html[data-ui-family="studio"] body button,html[data-ui-family="studio"] body [role="button"]{border-radius:var(--st-control-radius)}
html[data-ui-family="studio"] body button[data-control-kind="primary"],html[data-ui-family="studio"] body input[type="submit"]{background:var(--st-btn-primary-bg)!important;color:var(--st-btn-primary-ink)!important;border:var(--st-btn-primary-border)!important;box-shadow:var(--st-btn-primary-shadow)!important;border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] body button[data-control-kind="primary"]:hover{background:var(--st-btn-primary-hover-bg)!important;color:var(--st-btn-primary-ink)!important}
html[data-ui-family="studio"] body button[data-control-kind="secondary"]{background:var(--st-btn-bg)!important;color:var(--st-btn-ink)!important;border:var(--st-btn-border)!important;box-shadow:var(--st-btn-shadow)!important;border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] body button[data-control-kind="secondary"]:hover{background:var(--st-btn-hover-bg)!important;color:var(--st-btn-hover-ink)!important;border-color:var(--st-btn-hover-border)!important}
html[data-ui-family="studio"] body button[data-control-kind="danger"]{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] body button[data-control-kind="tab"]{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] body button[data-control-kind="tab"].active,html[data-ui-family="studio"] body button[data-control-kind="tab"][aria-selected="true"],html[data-ui-family="studio"] body button[data-control-kind="tab"][aria-pressed="true"],html[data-ui-family="studio"] body .ui-settings-tabs button[aria-selected="true"]{background:var(--st-tab-active-bg)!important;color:var(--st-tab-active-ink)!important;box-shadow:var(--st-tab-active-mark)!important}
html[data-ui-family="studio"] body button[data-control-kind="icon"]:hover,html[data-ui-family="studio"] body button[data-control-kind="navigation"]:hover,html[data-ui-family="studio"] body button[data-control-kind="tab"]:hover{background-color:var(--bg-hover)!important;color:var(--text-primary)!important}
html[data-ui-family="studio"] body button:focus-visible,html[data-ui-family="studio"] body summary:focus-visible,html[data-ui-family="studio"] body [role="button"]:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
html[data-ui-family="studio"] body input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]):not([type="submit"]),html[data-ui-family="studio"] body select,html[data-ui-family="studio"] body textarea:not(#messageInput){background:var(--st-input-bg)!important;border:var(--st-input-border)!important;border-radius:var(--st-control-radius)!important;color:var(--text-primary)!important;box-shadow:none}
html[data-ui-family="studio"] body input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]):not([type="submit"]):focus,html[data-ui-family="studio"] body select:focus,html[data-ui-family="studio"] body textarea:not(#messageInput):focus{box-shadow:var(--st-input-focus)!important;outline:0!important}
html[data-ui-family="studio"] body :is(input[type="checkbox"],input[type="radio"],input[type="range"],progress){accent-color:var(--primary)}
html[data-ui-family="studio"] .ui-settings-tabs{border-bottom:var(--st-card-border)!important}
html[data-ui-family="studio"] .ui-disclosure>summary,html[data-ui-family="studio"] .ui-inline-settings>summary{color:var(--text-primary)!important;font-weight:600}
html[data-ui-family="studio"] body [class*="badge"],html[data-ui-family="studio"] body .status-tag{border-radius:var(--st-control-radius)}

/* ---- Tables ---- */
html[data-ui-family="studio"] body table{background:transparent!important}
html[data-ui-family="studio"] body th{background:var(--surface-2)!important;color:var(--text-muted)!important;font-family:var(--st-label-font);font-size:11px!important;letter-spacing:var(--st-label-spacing);text-transform:var(--st-label-transform)}
html[data-ui-family="studio"] body tbody tr:hover{background:var(--bg-hover)!important}

/* ---- Chat: messages ---- */
html[data-ui-family="studio"] #appPage .message.user .message-content{background:var(--st-user-bg)!important;color:var(--st-user-ink)!important;border:var(--st-user-border)!important;border-radius:var(--st-user-radius)!important;box-shadow:var(--st-user-shadow)!important}
html[data-ui-family="studio"] #appPage .message.user .message-content :is(p,li,span,strong,a){color:inherit!important}
html[data-ui-family="studio"] #appPage .message.assistant .message-content{background:var(--st-answer-bg)!important;border:var(--st-answer-border)!important;border-radius:var(--st-answer-radius)!important;box-shadow:var(--st-answer-shadow)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter)}
html[data-ui-family="studio"] #appPage .message.assistant .message-content::before{display:none!important}
html[data-ui-family="studio"] #appPage .message-avatar{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] #appPage .message-header{font-family:var(--st-label-font)}
html[data-ui-family="studio"] #appPage .content-html :is(h1,h2,h3,h4){font-family:var(--st-font-display)!important;font-weight:var(--st-display-weight)!important;color:var(--text-primary)!important}
html[data-ui-family="studio"] #appPage .content-html code:not(.hljs),html[data-ui-family="studio"] #appPage .message-content :not(pre)>code{background:var(--st-inline-code-bg)!important;color:var(--st-inline-code-ink)!important;border:var(--st-inline-code-border)!important;border-radius:var(--st-control-radius)!important;font-family:var(--st-font-mono)!important}
html[data-ui-family="studio"] #appPage .message.user .content-html code:not(.hljs){background:rgba(0,0,0,.14)!important;color:inherit!important;border:0!important}
html[data-ui-family="studio"] #appPage .code-block-wrapper{background:var(--st-code-bg)!important;border:var(--st-code-border)!important;border-radius:var(--st-code-radius)!important;box-shadow:var(--st-code-shadow)!important;overflow:hidden}
html[data-ui-family="studio"] #appPage .code-block-wrapper pre{background:transparent!important}
html[data-ui-family="studio"] #appPage .code-block-wrapper :is(pre,code){font-family:var(--st-font-mono)!important}
html[data-ui-family="studio"] #appPage .code-copy-btn{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] #appPage .code-locked-block{background:var(--surface-2)!important;border:1.5px dashed var(--primary)!important;border-radius:var(--st-code-radius)!important;box-shadow:none!important}
html[data-ui-family="studio"] #appPage .code-locked-header{font-family:var(--st-label-font);color:var(--text-primary)!important}
html[data-ui-family="studio"] #appPage .content-html blockquote{border-left:3px solid var(--primary)!important;background:var(--primary-bg)!important;color:var(--text-secondary)!important;border-radius:0 var(--st-control-radius) var(--st-control-radius) 0}
html[data-ui-family="studio"] #appPage .content-html table{border:var(--st-card-border);border-radius:var(--st-control-radius);overflow:hidden}
html[data-ui-family="studio"] #appPage .content-html hr{border:0;border-top:1px solid var(--border)}
html[data-ui-family="studio"] #appPage .thinking-timeline-container{background:var(--surface-2)!important;border:var(--st-card-border)!important;border-radius:var(--st-control-radius)!important;box-shadow:none!important}
html[data-ui-family="studio"] #appPage .thinking-header-title{font-family:var(--st-label-font)}
html[data-ui-family="studio"] #appPage .chat-message-actions button{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] #appPage .svg-render-container,html[data-ui-family="studio"] #appPage .svg-live-card{border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:none!important}
html[data-ui-family="studio"] #appPage #chatScrollBottom{background:var(--st-surface-strong)!important;border:var(--st-card-border)!important;color:var(--text-primary)!important;box-shadow:var(--st-pop-shadow)!important}

/* ---- Chat: composer ---- */
html[data-ui-family="studio"] #appPage .input-area{background:transparent!important}
html[data-ui-family="studio"] #appPage .input-container,html[data-ui-family="studio"] .workspace-main .input-container{background:var(--st-surface-strong)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-card-shadow)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter)}
html[data-ui-family="studio"] #appPage .input-container:focus-within{box-shadow:var(--st-input-focus),var(--st-card-shadow)!important}
html[data-ui-family="studio"] #appPage #messageInput{background:transparent!important;color:var(--text-primary)!important;font-family:var(--st-font-body)!important}
html[data-ui-family="studio"] #appPage .model-selector-btn{border-radius:var(--st-control-radius)!important;font-family:var(--st-label-font)}
html[data-ui-family="studio"] #appPage .input-actions #sendBtn{background:var(--st-btn-primary-bg)!important;color:var(--st-btn-primary-ink)!important;border:var(--st-btn-primary-border)!important;box-shadow:var(--st-btn-primary-shadow)!important;border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] #appPage button.model-option{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] #appPage button.model-option.active{background:var(--primary-bg)!important;color:var(--text-primary)!important}

/* ---- Chat: empty state ---- */
html[data-ui-family="studio"] .conversation-start h3{font-family:var(--st-font-display)!important;font-weight:var(--st-display-weight)!important;letter-spacing:var(--st-display-spacing)}
html[data-ui-family="studio"] .chat-shortcuts button.feature-card{background:var(--st-surface)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-card-shadow)!important;color:var(--text-primary)!important;backdrop-filter:var(--st-card-filter);-webkit-backdrop-filter:var(--st-card-filter)}
html[data-ui-family="studio"] .chat-shortcuts button.feature-card:hover{box-shadow:var(--st-card-shadow-hover)!important}

/* ---- Overlays ---- */
html[data-ui-family="studio"] body :is(.mini-modal,.custom-modal,.favorite-detail-dialog,.message-modal,.wrongbook-modal-dialog,.task-planner-panel,.daily-welcome-panel,.mc-dialog,.modal-content,.node-chat-panel,.model-config-content,.practice-judge-dialog),html[data-ui-family="studio"] .ui-dialog,html[data-ui-family="studio"] .first-use-guide{background:var(--st-surface-strong)!important;border:var(--st-card-border)!important;border-radius:var(--st-card-radius)!important;box-shadow:var(--st-pop-shadow)!important;color:var(--text-primary)!important}
html[data-ui-family="studio"] body :is([class$="modal-header"],.modal-header,.custom-modal-header,[class$="modal-footer"],.modal-footer){background:transparent!important}
html[data-ui-family="studio"] .ui-toast{background:var(--st-surface-strong)!important;border:var(--st-card-border)!important;border-radius:var(--st-control-radius)!important;box-shadow:var(--st-pop-shadow)!important}

/* ---- Login & register ---- */
html[data-ui-family="studio"] #loginPage,html[data-ui-family="studio"] #registerPage,html[data-ui-family="studio"] .register-form-section{background:var(--st-canvas)!important}
html[data-ui-family="studio"] .login-editorial h2,html[data-ui-family="studio"] .signup-story h2,html[data-ui-family="studio"] .login-header h1,html[data-ui-family="studio"] .register-header h1{font-family:var(--st-font-display)!important;font-weight:var(--st-display-weight)!important}
html[data-ui-family="studio"] .oihelp-wordmark,html[data-ui-family="studio"] .signup-masthead>span:first-child{font-family:var(--st-font-display)!important}
html[data-ui-family="studio"] .login-container input{border-radius:var(--st-control-radius)!important}
html[data-ui-family="studio"] .login-container .btn-login{border-radius:var(--st-control-radius)!important}

/* ---- Appearance picker (all families) ---- */
html[data-ui-theme] .appearance-style-group-label{margin:22px 0 10px!important;font-size:12px!important;font-weight:650;letter-spacing:.08em;color:var(--text-muted)!important}
html[data-ui-theme] .appearance-style-options-studio{grid-template-columns:repeat(4,minmax(0,1fr))!important}
html[data-ui-theme] .appearance-style-options-studio .style-preview{position:relative;overflow:hidden}
html[data-ui-theme] .style-preview-terminal{background:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/10px 10px,linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/10px 10px,#0b0d10!important;border-color:#262c35!important}
html[data-ui-theme] .style-preview-terminal>i{background:#111419!important;border-right:1px solid #262c35}
html[data-ui-theme] .style-preview-terminal>em{color:#3dffa8!important;font-family:'JetBrains Mono',monospace!important;font-style:normal}
html[data-ui-theme] .style-preview-terminal>em::after{content:"_";animation:st-caret 1.1s steps(1) infinite}
html[data-ui-theme] .style-preview-terminal>b{background:#3dffa8!important;opacity:.55}
html[data-ui-theme] .style-preview-editorial{background:#f3ede2!important;border-color:#1c1814!important;box-shadow:inset 0 -3px 0 #f3ede2,inset 0 -4px 0 #1c1814}
html[data-ui-theme] .style-preview-editorial>i{background:#efe8dc!important;border-right:1px solid #cdbfa9}
html[data-ui-theme] .style-preview-editorial>em{color:#1c1814!important;font-family:'OI Serif','Songti SC','SimSun',Georgia,serif!important;font-style:normal;font-weight:800}
html[data-ui-theme] .style-preview-editorial>em::first-letter{color:#c2371f}
html[data-ui-theme] .style-preview-editorial>b{background:#c2371f!important}
html[data-ui-theme] .style-preview-glass{background:radial-gradient(60px 50px at 20% 20%,#c4b5fd,transparent 70%),radial-gradient(70px 60px at 85% 30%,#a5f3fc,transparent 70%),radial-gradient(70px 60px at 60% 100%,#f5d0fe,transparent 70%),#f3f1ff!important;border-color:rgba(255,255,255,.9)!important}
html[data-ui-theme] .style-preview-glass>i{background:rgba(255,255,255,.55)!important;backdrop-filter:blur(6px)}
html[data-ui-theme] .style-preview-glass>em{background:linear-gradient(120deg,#7c3aed,#06b6d4);-webkit-background-clip:text;background-clip:text;color:transparent!important;font-style:normal;font-weight:800}
html[data-ui-theme] .style-preview-glass>b{background:linear-gradient(90deg,#7c3aed,#06b6d4)!important;border-radius:99px}
html[data-ui-theme] .style-preview-brutal{background:#fff!important;border:2.5px solid #0a0a0a!important;box-shadow:3px 3px 0 #0a0a0a}
html[data-ui-theme] .style-preview-brutal>i{background:#ffe500!important;border-right:2.5px solid #0a0a0a}
html[data-ui-theme] .style-preview-brutal>em{color:#0a0a0a!important;font-style:normal;font-weight:900}
html[data-ui-theme] .style-preview-brutal>b{background:#ff4d8d!important;border:2px solid #0a0a0a;border-radius:0!important}
@keyframes st-caret{50%{opacity:0}}
@media(max-width:768px){html[data-ui-theme] .appearance-style-options-studio{grid-template-columns:repeat(2,minmax(0,1fr))!important}}

/* --------------------------------------------------------------------------
   3. 竞赛终端 · terminal signature
   -------------------------------------------------------------------------- */
html[data-ui-theme="terminal"] #appPage .code-block-wrapper .hljs,html[data-ui-theme="terminal"] #appPage .code-block-wrapper pre{background:transparent!important}
html[data-ui-theme="terminal"] #appPage .code-block-wrapper{position:relative}
html[data-ui-theme="terminal"] #appPage .code-block-wrapper::before{content:"● ● ●";display:block;padding:9px 14px 0;font:10px/1 var(--st-font-mono);letter-spacing:3px;color:#39414c}

/* Brand: monospace wordmark with a live cursor. */
html[data-ui-theme="terminal"] .studio-wordmark{font-family:var(--st-font-mono)!important;font-size:30px!important;font-weight:600!important;letter-spacing:-.04em!important}
html[data-ui-theme="terminal"] .studio-wordmark i{color:var(--primary)}
html[data-ui-theme="terminal"] .studio-wordmark::after{content:"";display:inline-block;width:.5em;height:.9em;margin-left:.08em;vertical-align:-.08em;background:var(--primary);box-shadow:0 0 12px rgba(61,255,168,.7);animation:st-caret 1.1s steps(1) infinite}
html[data-ui-theme="terminal"] .studio-brand-symbol{filter:drop-shadow(0 0 10px rgba(61,255,168,.45))}

/* Numbered navigation: icons give way to 01 02 03 indices. */
html[data-ui-theme="terminal"] .workspace-shell .sidebar .learning-nav{counter-reset:st-nav}
html[data-ui-theme="terminal"] .workspace-shell .sidebar .learning-nav>button{counter-increment:st-nav;font-size:14px!important}
html[data-ui-theme="terminal"] .workspace-shell .sidebar .learning-nav>button>svg{display:none!important}
html[data-ui-theme="terminal"] .workspace-shell .sidebar .learning-nav>button::before{content:counter(st-nav,decimal-leading-zero);font:500 11px/1 var(--st-font-mono);color:#56606c;width:22px;flex:0 0 22px;letter-spacing:.02em}
html[data-ui-theme="terminal"] .workspace-shell .sidebar .learning-nav>button[aria-current="page"]::before{color:var(--primary)}
html[data-ui-theme="terminal"] .sidebar-conversations-label::before,html[data-ui-theme="terminal"] .sidebar-favorites-toggle>span:first-child::before{content:"// ";color:var(--primary)}
html[data-ui-theme="terminal"] .sidebar-tools-title,html[data-ui-theme="terminal"] .workspace-shell .sidebar #profileBtn{font-size:14px!important}
html[data-ui-theme="terminal"] .workspace-shell .sidebar #newChatBtn{font-family:var(--st-font-mono);font-weight:600!important;letter-spacing:.01em}
html[data-ui-theme="terminal"] .conv-item-badge{background:transparent!important;color:var(--accent)!important;border:1px solid rgba(255,181,71,.45)!important;font-family:var(--st-font-mono)}
html[data-ui-theme="terminal"] .sidebar-footer .user-avatar,html[data-ui-theme="terminal"] #appPage .message.user .message-avatar{background:#151a20!important;color:var(--primary)!important;border:1px solid #2c3642!important;font-family:var(--st-font-mono)}

/* Chat header: path-like title, amber credits. */
html[data-ui-theme="terminal"] #appPage .chat-title-wrapper h2{font-size:17px!important;letter-spacing:0!important}
html[data-ui-theme="terminal"] #appPage .chat-title-wrapper h2::before{content:"~/chat/ ";font:500 13px var(--st-font-mono);color:#56606c}
html[data-ui-theme="terminal"] .workspace-main .points-display{color:var(--accent)!important;border-color:rgba(255,181,71,.35)!important;background:rgba(255,181,71,.06)!important}

/* Messages: answers read like annotated output. */
html[data-ui-theme="terminal"] #appPage .message.assistant .message-content{padding-left:22px!important}
html[data-ui-theme="terminal"] #appPage .message-header{font-size:12px}
html[data-ui-theme="terminal"] #appPage .content-html h1::before{content:"# "}
html[data-ui-theme="terminal"] #appPage .content-html h2::before{content:"## "}
html[data-ui-theme="terminal"] #appPage .content-html h3::before{content:"### "}
html[data-ui-theme="terminal"] #appPage .content-html :is(h1,h2,h3)::before{font-family:var(--st-font-mono);font-weight:500;color:var(--primary);opacity:.85}
html[data-ui-theme="terminal"] #appPage .content-html h2{font-size:20px!important;margin-top:28px!important}
html[data-ui-theme="terminal"] #appPage .content-html strong{color:#fff!important;box-shadow:inset 0 -.35em 0 rgba(61,255,168,.16)}
html[data-ui-theme="terminal"] #appPage .content-html :is(ul,ol) li::marker{color:var(--primary);font-family:var(--st-font-mono)}
html[data-ui-theme="terminal"] #appPage .content-html blockquote{border-left-color:var(--accent)!important;background:rgba(255,181,71,.06)!important}
html[data-ui-theme="terminal"] #appPage .content-html th{color:var(--primary)!important}
html[data-ui-theme="terminal"] #appPage .content-html a{color:var(--primary)!important;text-decoration-style:dashed}
html[data-ui-theme="terminal"] #appPage .code-locked-header::before{content:"$ ";color:var(--primary)}
html[data-ui-theme="terminal"] #appPage .thinking-header-title::before{content:"▸ ";color:var(--primary)}
html[data-ui-theme="terminal"] #appPage .message.user .message-content{font-size:14.5px}

/* Composer: a prompt line. */
html[data-ui-theme="terminal"] #appPage .input-container{position:relative;background:#0e1115!important;border-color:#2a313b!important}
html[data-ui-theme="terminal"] #appPage .input-container::before{content:"❯";position:absolute;left:18px;top:20px;font:600 16px/1 var(--st-font-mono);color:var(--primary);pointer-events:none;text-shadow:0 0 10px rgba(61,255,168,.6)}
html[data-ui-theme="terminal"] #appPage #messageInput{padding-left:26px!important}
html[data-ui-theme="terminal"] #appPage #messageInput::placeholder{font-family:var(--st-font-mono);font-size:13.5px;color:#56606c}
html[data-ui-theme="terminal"] #appPage .model-selector-btn{background:#12161c!important;border:1px solid #262c35!important}

/* Empty state. */
html[data-ui-theme="terminal"] .conversation-mark{font-family:var(--st-font-mono)!important;letter-spacing:-.06em!important;text-shadow:0 0 28px rgba(61,255,168,.45)}
html[data-ui-theme="terminal"] .conversation-mark::after{content:"_";color:var(--primary);animation:st-caret 1.1s steps(1) infinite}
html[data-ui-theme="terminal"] .conversation-start>p{font-family:var(--st-font-mono);font-size:14px!important;color:var(--text-muted)!important}
html[data-ui-theme="terminal"] .conversation-start>p::before{content:"// ";color:var(--primary)}

/* Pages: path-style titles, instrument-panel cards. */
html[data-ui-theme="terminal"] .workspace-main :is(.admin-header,.profile-header) h1::before{content:"~/";font:500 .62em var(--st-font-mono);color:var(--primary);margin-right:.3em;vertical-align:.12em}
html[data-ui-theme="terminal"] .workspace-main .back-btn{font-family:var(--st-font-mono)!important;font-size:12px!important}
html[data-ui-theme="terminal"] .workspace-main :is(.profile-card,.admin-card,.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section,.leaderboard-section,.wrongbook-sidebar,.wrongbook-detail,.messages-page-list,.messages-page-reader,.achievement-hero){position:relative;background:linear-gradient(180deg,rgba(255,255,255,.018),transparent 120px),#101318!important}
html[data-ui-theme="terminal"] .workspace-main :is(.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section,.leaderboard-section)::before{content:"";position:absolute;left:-1px;top:-1px;width:14px;height:14px;border-left:2px solid var(--primary);border-top:2px solid var(--primary);border-top-left-radius:8px;pointer-events:none}
html[data-ui-theme="terminal"] .training-loop-kicker,html[data-ui-theme="terminal"] .achievement-card-topline,html[data-ui-theme="terminal"] .csp-history-summary span,html[data-ui-theme="terminal"] .wrongbook-item-meta,html[data-ui-theme="terminal"] .wrongbook-item-head strong{font-family:var(--st-font-mono)!important}
html[data-ui-theme="terminal"] body [class*="badge"],html[data-ui-theme="terminal"] body .status-tag,html[data-ui-theme="terminal"] .wrongbook-verdict,html[data-ui-theme="terminal"] .csp-temp-status,html[data-ui-theme="terminal"] .tc-plan-badge{font-family:var(--st-font-mono)!important;background:transparent!important;border:1px solid currentColor!important}
html[data-ui-theme="terminal"] .admin-stat-card strong,html[data-ui-theme="terminal"] .csp-history-score,html[data-ui-theme="terminal"] #achievementCompletion,html[data-ui-theme="terminal"] .wrongbook-summary-card strong{font-family:var(--st-font-mono)!important;color:var(--primary)!important}

/* Calendar: dark tiles, glowing today. */
html[data-ui-theme="terminal"] :is(.pcal-cell,.tc-day):not(.empty){background:#12161b!important;border:1px solid #1f252d!important}
html[data-ui-theme="terminal"] .tc-day.st-done{background:linear-gradient(180deg,rgba(61,255,168,.08),#12161b)!important;border-color:rgba(61,255,168,.3)!important}
html[data-ui-theme="terminal"] .tc-day.today{border-color:var(--primary)!important;box-shadow:0 0 0 1px var(--primary),0 0 18px rgba(61,255,168,.25)!important}
html[data-ui-theme="terminal"] .pcal-num{font-family:var(--st-font-mono)}
html[data-ui-theme="terminal"] .plan-cal-weekhead span{font-family:var(--st-font-mono);text-transform:uppercase}

/* Login: black console with a phosphor headline. */
html[data-ui-theme="terminal"] .login-introduction,html[data-ui-theme="terminal"] .register-side-section{background:radial-gradient(700px 480px at 20% 30%,rgba(61,255,168,.12),transparent 65%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/28px 28px,linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/28px 28px,#07090b!important;color:#e8ebef!important;border-right:1px solid #1f252d}
html[data-ui-theme="terminal"] .oihelp-wordmark,html[data-ui-theme="terminal"] .signup-masthead>span:first-child{font-family:var(--st-font-mono)!important;letter-spacing:-.05em!important}
html[data-ui-theme="terminal"] .oihelp-wordmark .brand-dot,html[data-ui-theme="terminal"] .oihelp-wordmark .brand-slash{color:var(--primary)}
html[data-ui-theme="terminal"] .login-editorial h2::after,html[data-ui-theme="terminal"] .signup-story h2::after{content:"";display:inline-block;width:.45em;height:.85em;margin-left:.12em;vertical-align:-.06em;background:var(--primary);box-shadow:0 0 18px rgba(61,255,168,.7);animation:st-caret 1.1s steps(1) infinite}
html[data-ui-theme="terminal"] .login-lead,html[data-ui-theme="terminal"] .login-masthead>span,html[data-ui-theme="terminal"] .login-footnote{font-family:var(--st-font-mono);color:#8b95a3!important;opacity:1!important}
html[data-ui-theme="terminal"] .login-orbit-art{color:#e8ebef!important}
html[data-ui-theme="terminal"] .login-header h1::before,html[data-ui-theme="terminal"] .register-header h1::before{content:"$ ";font-family:var(--st-font-mono);color:var(--primary)}
html[data-ui-theme="terminal"] .login-container .form-group label{font-family:var(--st-font-mono);font-size:12px!important;letter-spacing:.08em;text-transform:uppercase;color:#8b95a3!important}
html[data-ui-theme="terminal"] .login-container .btn-login{font-family:var(--st-font-mono);letter-spacing:.06em}
html[data-ui-theme="terminal"] .signup-tag,html[data-ui-theme="terminal"] .signup-code{color:var(--primary)!important}

/* --------------------------------------------------------------------------
   4. 编辑杂志 · editorial signature
   -------------------------------------------------------------------------- */
html[data-ui-theme="editorial"] #appPage .code-block-wrapper .hljs,html[data-ui-theme="editorial"] #appPage .code-block-wrapper pre{background:transparent!important;color:#2b2520!important}
html[data-ui-theme="editorial"] .hljs-keyword,html[data-ui-theme="editorial"] .hljs-selector-tag,html[data-ui-theme="editorial"] .hljs-meta .hljs-keyword{color:#9a2a15!important;font-weight:600}
html[data-ui-theme="editorial"] :is(.hljs-string,.hljs-regexp,.hljs-addition){color:#2e6b3a!important}
html[data-ui-theme="editorial"] :is(.hljs-number,.hljs-literal,.hljs-symbol){color:#1f3a5f!important}
html[data-ui-theme="editorial"] :is(.hljs-comment,.hljs-quote){color:#8c8274!important;font-style:italic}
html[data-ui-theme="editorial"] :is(.hljs-title,.hljs-title.function_,.hljs-section){color:#1c1814!important;font-weight:700}
html[data-ui-theme="editorial"] :is(.hljs-built_in,.hljs-type,.hljs-class .hljs-title){color:#7a4b12!important}
html[data-ui-theme="editorial"] :is(.hljs-meta,.hljs-meta .hljs-string){color:#6d4c8a!important}
html[data-ui-theme="editorial"] :is(.hljs-variable,.hljs-params,.hljs-attr,.hljs-attribute){color:#3f372e!important}
html[data-ui-theme="editorial"] #appPage .code-copy-btn{background:#faf6ef!important;border:1px solid #d6cab7!important;color:#1c1814!important}

/* Masthead brand and a table-of-contents rail. */
html[data-ui-theme="editorial"] .workspace-shell>.sidebar{box-shadow:inset -5px 0 0 #efe8dc,inset -6px 0 0 #cdbfa9!important}
html[data-ui-theme="editorial"] .studio-brand-symbol{color:#1c1814!important}
html[data-ui-theme="editorial"] .studio-wordmark{display:inline-block;font-size:34px!important;font-weight:900!important;letter-spacing:-.01em!important;color:#1c1814!important}
html[data-ui-theme="editorial"] .studio-wordmark i{color:var(--primary)!important}
html[data-ui-theme="editorial"] .studio-wordmark::after{content:"解题手记 · 第二十六期";display:block;margin-top:7px;font:600 10px/1 var(--st-font-body);letter-spacing:.32em;color:#8a7d69}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav{counter-reset:st-nav;gap:2px!important}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav>button{counter-increment:st-nav;font-size:15px!important;font-weight:500!important}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav>button>svg{display:none!important}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav>button::before{content:counter(st-nav,decimal-leading-zero);flex:0 0 26px;font:800 13px/1 var(--st-font-display);color:var(--primary)}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav>button::after{content:"";flex:1;align-self:center;margin:4px 0 0 12px;border-bottom:1px dotted #b3a58f}
html[data-ui-theme="editorial"] .workspace-shell .sidebar .learning-nav>button[aria-current="page"]{font-weight:700!important}
html[data-ui-theme="editorial"] :is(.sidebar-conversations-label,.sidebar-favorites-toggle>span:first-child){display:flex!important;align-items:center;gap:10px}
html[data-ui-theme="editorial"] .sidebar-conversations-label::after{content:"";flex:1;border-top:1px solid #cdbfa9}
html[data-ui-theme="editorial"] .workspace-shell .conv-item.active{background:#f7f1e7!important}
html[data-ui-theme="editorial"] .conv-item-badge{background:transparent!important;color:var(--primary)!important;border:1px solid var(--primary)!important}
html[data-ui-theme="editorial"] .conv-item-title{font-weight:600}
html[data-ui-theme="editorial"] .sidebar-footer .user-avatar,html[data-ui-theme="editorial"] #appPage .message.user .message-avatar{background:#1c1814!important;color:#faf6ef!important;font-family:var(--st-font-display);border-radius:50%!important}

/* Chat header and answers set like a feature page. */
html[data-ui-theme="editorial"] #appPage .chat-title-wrapper h2{font-size:21px!important}
html[data-ui-theme="editorial"] #appPage .chat-title-wrapper h2::before{content:"§ ";color:var(--primary)}
html[data-ui-theme="editorial"] #appPage .message.assistant .content-html{font-size:15.5px;line-height:1.95}
html[data-ui-theme="editorial"] #appPage .message-header{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8a7d69!important}
html[data-ui-theme="editorial"] #appPage .content-html h2{clear:both;font-size:24px!important;margin:30px 0 14px!important;padding-bottom:8px;border-bottom:1px solid #1c1814}
html[data-ui-theme="editorial"] #appPage .content-html h3{font-size:19px!important}
html[data-ui-theme="editorial"] #appPage .content-html:has(>:nth-child(4))>p:first-child::first-letter{float:left;font:900 3.3em/1 var(--st-font-display);color:var(--primary);margin:.06em .1em 0 0}
html[data-ui-theme="editorial"] #appPage .content-html strong{text-decoration:underline 2px #e7a594;text-underline-offset:4px;text-decoration-skip-ink:none}
html[data-ui-theme="editorial"] #appPage .content-html blockquote{position:relative;background:transparent!important;border:0!important;border-top:1px solid #1c1814!important;border-bottom:1px solid #1c1814!important;border-radius:0!important;padding:16px 8px 16px 46px!important;margin:24px 0!important;font:700 17px/1.8 var(--st-font-display);color:#1c1814!important}
html[data-ui-theme="editorial"] #appPage .content-html blockquote::before{content:"“";position:absolute;left:4px;top:-4px;font:900 64px/1 Georgia,var(--st-font-display);color:var(--primary)}
html[data-ui-theme="editorial"] #appPage .content-html blockquote p{margin:0!important}
html[data-ui-theme="editorial"] #appPage .content-html table{border:0!important;border-top:2px solid #1c1814!important;border-bottom:2px solid #1c1814!important;border-radius:0!important}
html[data-ui-theme="editorial"] #appPage .content-html th{background:transparent!important;color:#1c1814!important;border-bottom:1px solid #1c1814!important;letter-spacing:.14em}
html[data-ui-theme="editorial"] #appPage .content-html :is(ul,ol) li::marker{color:var(--primary);font-family:var(--st-font-display);font-weight:800}
html[data-ui-theme="editorial"] #appPage .content-html a{color:var(--primary)!important;text-decoration:underline 1px;text-underline-offset:3px}
html[data-ui-theme="editorial"] #appPage .code-locked-block{border-color:#1c1814!important;border-style:dashed!important;background:#f6f0e5!important}
html[data-ui-theme="editorial"] #appPage .thinking-timeline-container{background:#f6f0e5!important}

/* Composer: a card pinned to the page with a printer's offset. */
html[data-ui-theme="editorial"] #appPage .input-container{background:#fdfaf4!important;border:1px solid #1c1814!important;box-shadow:5px 5px 0 #e3d8c6!important}
html[data-ui-theme="editorial"] #appPage .input-container:focus-within{box-shadow:5px 5px 0 #e7a594!important}
html[data-ui-theme="editorial"] #appPage .model-selector-btn{border:1px solid #d6cab7!important;background:transparent!important}
html[data-ui-theme="editorial"] #appPage .input-actions #sendBtn{background:var(--primary)!important;border-color:var(--primary)!important}

/* Empty state: a cover line. */
html[data-ui-theme="editorial"] .conversation-mark{font-family:var(--st-font-display)!important;font-weight:900!important;letter-spacing:-.02em!important;color:#1c1814!important}
html[data-ui-theme="editorial"] .conversation-mark span{color:var(--primary)!important}
html[data-ui-theme="editorial"] .conversation-start h3{font-size:clamp(32px,4vw,48px)!important;letter-spacing:0!important;padding-bottom:16px;border-bottom:3px double #1c1814}
html[data-ui-theme="editorial"] .chat-shortcuts button.feature-card{box-shadow:4px 4px 0 #e3d8c6!important}

/* Pages: section heads with a kicker and a double rule. */
html[data-ui-theme="editorial"] .workspace-main :is(.admin-header,.profile-header) h1{font-size:34px!important;font-weight:900!important;letter-spacing:.01em!important}
html[data-ui-theme="editorial"] .workspace-main .admin-heading-block::before{content:"OIHELP · 学习专栏";display:block;margin:0 0 6px;font:700 10px/1 var(--st-font-body);letter-spacing:.34em;color:var(--primary)}
html[data-ui-theme="editorial"] .workspace-main .back-btn{letter-spacing:.12em;font-size:12px!important;color:#1c1814!important}
html[data-ui-theme="editorial"] .workspace-main :is(.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section,.leaderboard-section,.profile-card) :is(h2,h3){font-weight:800!important}
html[data-ui-theme="editorial"] .workspace-main :is(.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section,.leaderboard-section){border-top:3px solid #1c1814!important}
html[data-ui-theme="editorial"] body [class*="badge"],html[data-ui-theme="editorial"] body .status-tag,html[data-ui-theme="editorial"] .wrongbook-verdict,html[data-ui-theme="editorial"] .csp-temp-status,html[data-ui-theme="editorial"] .tc-plan-badge{background:transparent!important;border:1px solid currentColor!important;letter-spacing:.06em}
html[data-ui-theme="editorial"] :is(.admin-stat-card strong,.csp-history-score,#achievementCompletion,.wrongbook-summary-card strong,.pcal-num){font-family:var(--st-font-display)!important;font-weight:900!important}
html[data-ui-theme="editorial"] .wrongbook-item-head strong{font-family:var(--st-font-display);color:var(--primary)!important}
html[data-ui-theme="editorial"] .wrongbook-list-item h3{font-weight:800!important}
html[data-ui-theme="editorial"] :is(.pcal-cell,.tc-day):not(.empty){background:#fbf8f2!important;border:1px solid #ddd2c0!important}
html[data-ui-theme="editorial"] .tc-day.today{border-color:#1c1814!important;box-shadow:inset 0 3px 0 var(--primary)!important}
html[data-ui-theme="editorial"] .tc-day.today .pcal-num{color:var(--primary)}
html[data-ui-theme="editorial"] .plan-cal-weekhead span{letter-spacing:.2em;font-weight:700;color:#1c1814}
html[data-ui-theme="editorial"] .workspace-main :is(.leaderboard-section) tbody tr td:first-child{font-family:var(--st-font-display);font-weight:900;color:var(--primary)}

/* Login: a magazine cover. */
html[data-ui-theme="editorial"] .login-introduction,html[data-ui-theme="editorial"] .register-side-section{background:var(--st-canvas)!important;background-color:#ece4d6!important;color:#1c1814!important;box-shadow:inset -5px 0 0 #ece4d6,inset -6px 0 0 #1c1814}
html[data-ui-theme="editorial"] .login-masthead,html[data-ui-theme="editorial"] .signup-masthead{border-bottom:3px double #1c1814;padding-bottom:16px}
html[data-ui-theme="editorial"] .oihelp-wordmark,html[data-ui-theme="editorial"] .signup-masthead>span:first-child{font-weight:900!important;letter-spacing:.01em!important;font-size:42px!important}
html[data-ui-theme="editorial"] .oihelp-wordmark :is(.brand-dot,.brand-slash){color:var(--primary)}
html[data-ui-theme="editorial"] :is(.login-masthead>span,.signup-masthead>span:last-child){letter-spacing:.3em;font-size:11px!important;font-weight:700;opacity:1!important}
html[data-ui-theme="editorial"] .login-editorial h2,html[data-ui-theme="editorial"] .signup-story h2{font-size:clamp(48px,5.6vw,80px)!important;font-weight:900!important;line-height:1.16!important;letter-spacing:0!important;color:var(--primary)!important}
html[data-ui-theme="editorial"] .login-editorial h2::first-line,html[data-ui-theme="editorial"] .signup-story h2::first-line{color:#1c1814}
html[data-ui-theme="editorial"] .login-lead{font-size:16px!important;color:#4a433a!important;opacity:1!important;border-left:3px solid var(--primary);padding-left:14px}
html[data-ui-theme="editorial"] .login-orbit-art{color:#1c1814!important}
html[data-ui-theme="editorial"] .login-orbit-art circle{fill:var(--primary)}
html[data-ui-theme="editorial"] .login-footnote,html[data-ui-theme="editorial"] .signup-rail-foot{border-top:1px solid #1c1814;letter-spacing:.24em;font-size:11px!important;opacity:1!important}
html[data-ui-theme="editorial"] .login-header h1,html[data-ui-theme="editorial"] .register-header h1{font-size:40px!important;font-weight:900!important}
html[data-ui-theme="editorial"] .login-container .form-group label{letter-spacing:.2em;font-size:11px!important;font-weight:700;color:#1c1814!important}
html[data-ui-theme="editorial"] .login-container .btn-login{letter-spacing:.4em}
html[data-ui-theme="editorial"] :is(.signup-code,.signup-stamp){border-radius:0!important;color:var(--primary)}

/* --------------------------------------------------------------------------
   5. 光感玻璃 · glass signature
   -------------------------------------------------------------------------- */
html[data-ui-theme="glass"] body::before{content:"";position:fixed;inset:-18%;z-index:-1;pointer-events:none;background:radial-gradient(34% 30% at 20% 22%,rgba(139,92,246,.42),transparent 70%),radial-gradient(30% 28% at 82% 18%,rgba(34,211,238,.36),transparent 70%),radial-gradient(34% 32% at 70% 82%,rgba(232,121,249,.34),transparent 70%),radial-gradient(28% 26% at 16% 80%,rgba(96,165,250,.34),transparent 70%);filter:blur(24px);animation:st-aurora 28s ease-in-out infinite alternate}
@keyframes st-aurora{0%{transform:translate3d(0,0,0) rotate(0deg) scale(1)}50%{transform:translate3d(3%,-2%,0) rotate(8deg) scale(1.05)}100%{transform:translate3d(-3%,3%,0) rotate(-6deg) scale(1.02)}}
html[data-ui-theme="glass"] :is(.studio-wordmark,.oihelp-wordmark,.signup-masthead>span:first-child,.conversation-mark){background:linear-gradient(115deg,#6d28d9 0%,#6366f1 45%,#0891b2 100%);-webkit-background-clip:text;background-clip:text;color:transparent!important}
html[data-ui-theme="glass"] :is(.studio-wordmark,.oihelp-wordmark,.conversation-mark) :is(i,span){color:transparent!important}
html[data-ui-theme="glass"] .studio-brand-symbol{color:#7c3aed!important;filter:drop-shadow(0 6px 14px rgba(124,58,237,.35))}

/* Floating frosted rail. */
@media(min-width:769px){
 html[data-ui-theme="glass"] .workspace-shell>.sidebar{width:auto!important;margin:14px 0 14px 14px;height:calc(100dvh - 28px)!important;border:1px solid rgba(255,255,255,.8)!important;border-radius:26px;box-shadow:inset 0 1px 0 #fff,0 20px 50px rgba(76,29,149,.12)!important}
}
@media(max-width:768px){html[data-ui-theme="glass"] .workspace-shell>.sidebar{background:rgba(250,248,255,.9)!important}}
html[data-ui-theme="glass"] .workspace-shell .sidebar #newChatBtn{border-radius:999px!important}
html[data-ui-theme="glass"] .workspace-shell .sidebar button[data-control-kind="navigation"],html[data-ui-theme="glass"] .workspace-shell .sidebar .sidebar-tools-summary,html[data-ui-theme="glass"] .workspace-shell .conv-item{border-radius:16px!important}
html[data-ui-theme="glass"] .workspace-shell .sidebar .learning-nav>button>svg{color:#8b5cf6}
html[data-ui-theme="glass"] .workspace-shell .sidebar .learning-nav>button[aria-current="page"]>svg{color:#6d28d9}
html[data-ui-theme="glass"] .conv-item-badge{background:linear-gradient(120deg,#ede9fe,#cffafe)!important;color:#5b21b6!important;border-radius:999px!important}
html[data-ui-theme="glass"] .sidebar-footer{border-top-color:rgba(124,58,237,.12)!important}
html[data-ui-theme="glass"] .sidebar-footer .user-avatar,html[data-ui-theme="glass"] #appPage .message.user .message-avatar{background:linear-gradient(135deg,#a78bfa,#67e8f9)!important;color:#fff!important;border-radius:50%!important}

/* Chat. */
html[data-ui-theme="glass"] #appPage .chat-header{border-bottom:0!important;background:transparent!important;backdrop-filter:none}
html[data-ui-theme="glass"] .workspace-main .points-display{border-radius:999px!important;background:rgba(255,255,255,.7)!important;border:1px solid #fff!important}
html[data-ui-theme="glass"] #appPage .message.assistant .message-content{padding:20px 24px!important}
html[data-ui-theme="glass"] #appPage .content-html h2{font-size:21px!important;color:#3b1d8f!important}
html[data-ui-theme="glass"] #appPage .content-html h2::before{content:"";display:inline-block;width:8px;height:8px;margin:0 10px .18em 0;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#06b6d4);box-shadow:0 0 0 4px rgba(124,58,237,.12)}
html[data-ui-theme="glass"] #appPage .content-html strong{background:linear-gradient(transparent 62%,rgba(167,139,250,.32) 62%)}
html[data-ui-theme="glass"] #appPage .content-html blockquote{border-left:0!important;border-radius:16px!important;background:linear-gradient(120deg,rgba(124,58,237,.08),rgba(6,182,212,.08))!important;box-shadow:inset 3px 0 0 #8b5cf6}
html[data-ui-theme="glass"] #appPage .content-html table{border:1px solid rgba(255,255,255,.8)!important;background:rgba(255,255,255,.4)!important;border-radius:14px!important}
html[data-ui-theme="glass"] #appPage .code-copy-btn{background:rgba(255,255,255,.12)!important;color:#e0e7ff!important;border:1px solid rgba(255,255,255,.14)!important}
html[data-ui-theme="glass"] #appPage .code-locked-block{border:1px solid rgba(124,58,237,.35)!important;background:linear-gradient(120deg,rgba(124,58,237,.08),rgba(6,182,212,.08))!important}
html[data-ui-theme="glass"] #appPage .thinking-timeline-container{background:rgba(255,255,255,.45)!important;border:1px solid rgba(255,255,255,.8)!important;border-radius:14px!important}
html[data-ui-theme="glass"] #appPage .chat-message-actions button{border-radius:999px!important}
html[data-ui-theme="glass"] #appPage .input-container{border-radius:28px!important;padding-left:8px!important;padding-right:8px!important}
html[data-ui-theme="glass"] #appPage .input-actions #sendBtn{border-radius:50%!important;min-width:42px}
html[data-ui-theme="glass"] #appPage .model-selector-btn{border-radius:999px!important;background:rgba(255,255,255,.6)!important;border:1px solid #fff!important}
html[data-ui-theme="glass"] .conversation-start h3{background:linear-gradient(115deg,#1e1b4b 10%,#6d28d9 55%,#0e7490 100%);-webkit-background-clip:text;background-clip:text;color:transparent!important}
html[data-ui-theme="glass"] .chat-shortcuts button.feature-card{border-radius:999px!important}

/* Pages. */
html[data-ui-theme="glass"] .workspace-main :is(.admin-header,.profile-header){border-bottom:0!important;background:transparent!important;backdrop-filter:none}
html[data-ui-theme="glass"] .workspace-main :is(.admin-header,.profile-header) h1{font-size:32px!important;background:linear-gradient(115deg,#1e1b4b 0%,#6d28d9 60%,#0891b2 100%);-webkit-background-clip:text;background-clip:text;color:transparent!important;padding-bottom:2px}
html[data-ui-theme="glass"] .workspace-main .back-btn{border-radius:999px!important;background:rgba(255,255,255,.55)!important;border:1px solid #fff!important}
html[data-ui-theme="glass"] :is(.ui-settings-tabs,.wrongbook-tabs,.admin-tabs,.wrongbook-mode-switch,.csp-track-switch){background:rgba(255,255,255,.4)!important;border:1px solid rgba(255,255,255,.8)!important;border-radius:999px!important;padding:5px!important;width:fit-content;max-width:100%;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
html[data-ui-theme="glass"] :is(.csp-track-switch,.wrongbook-tabs){width:auto!important;display:flex!important}
html[data-ui-theme="glass"] .wrongbook-tabs button{flex:1 1 0;padding-left:6px!important;padding-right:6px!important}
html[data-ui-theme="glass"] :is(.ui-settings-tabs,.wrongbook-tabs,.admin-tabs,.wrongbook-mode-switch,.csp-track-switch) button{border-radius:999px!important}
html[data-ui-theme="glass"] .ui-settings-tabs{margin-left:auto!important;margin-right:auto!important}
html[data-ui-theme="glass"] body [class*="badge"],html[data-ui-theme="glass"] body .status-tag,html[data-ui-theme="glass"] .wrongbook-verdict,html[data-ui-theme="glass"] .csp-temp-status,html[data-ui-theme="glass"] .tc-plan-badge{border-radius:999px!important}
html[data-ui-theme="glass"] :is(.admin-stat-card strong,.csp-history-score,#achievementCompletion,.wrongbook-summary-card strong){background:linear-gradient(115deg,#6d28d9,#0891b2);-webkit-background-clip:text;background-clip:text;color:transparent!important}
html[data-ui-theme="glass"] .csp-history-card,html[data-ui-theme="glass"] .admin-stat-card,html[data-ui-theme="glass"] .wrongbook-list-item,html[data-ui-theme="glass"] .message-thread-item{border-radius:18px!important;background:rgba(255,255,255,.5)!important;border:1px solid rgba(255,255,255,.85)!important}
html[data-ui-theme="glass"] :is(.pcal-cell,.tc-day):not(.empty){background:rgba(255,255,255,.5)!important;border:1px solid rgba(255,255,255,.85)!important;border-radius:14px!important}
html[data-ui-theme="glass"] .tc-day.today{box-shadow:0 0 0 2px #8b5cf6,0 10px 24px rgba(124,58,237,.2)!important}
html[data-ui-theme="glass"] .tc-day.st-done{background:linear-gradient(160deg,rgba(167,139,250,.28),rgba(103,232,249,.22))!important}

/* Login: a frosted card floating on light. */
html[data-ui-theme="glass"] #loginPage,html[data-ui-theme="glass"] #registerPage{background:transparent!important}
html[data-ui-theme="glass"] .login-introduction,html[data-ui-theme="glass"] .register-side-section{background:transparent!important;color:#1e1b4b!important}
html[data-ui-theme="glass"] .register-form-section{background:transparent!important}
html[data-ui-theme="glass"] .login-editorial h2,html[data-ui-theme="glass"] .signup-story h2{font-size:clamp(46px,5.2vw,74px)!important;letter-spacing:-.03em!important;background:linear-gradient(115deg,#1e1b4b 0%,#6d28d9 55%,#0891b2 100%);-webkit-background-clip:text;background-clip:text;color:transparent!important}
html[data-ui-theme="glass"] .login-lead,html[data-ui-theme="glass"] .login-masthead>span,html[data-ui-theme="glass"] .login-footnote{color:#46437a!important;opacity:1!important}
html[data-ui-theme="glass"] .login-orbit-art{color:#7c3aed!important;opacity:.85}
html[data-ui-theme="glass"] .login-container,html[data-ui-theme="glass"] .register-form-container{background:rgba(255,255,255,.55)!important;border:1px solid rgba(255,255,255,.85)!important;border-radius:30px!important;padding:40px 38px!important;box-shadow:inset 0 1px 0 #fff,0 30px 70px rgba(76,29,149,.16)!important;backdrop-filter:blur(26px) saturate(170%);-webkit-backdrop-filter:blur(26px) saturate(170%)}
html[data-ui-theme="glass"] .login-container .btn-login,html[data-ui-theme="glass"] .login-container input{border-radius:16px!important}
html[data-ui-theme="glass"] .login-container .btn-login{background:var(--st-btn-primary-bg)!important;color:#fff!important;box-shadow:var(--st-btn-primary-shadow)!important;border:0!important}
html[data-ui-theme="glass"] :is(.signup-code,.signup-stamp){color:#6d28d9}

/* --------------------------------------------------------------------------
   6. 粗野瑞士 · brutal signature
   -------------------------------------------------------------------------- */
html[data-ui-theme="brutal"] body{font-weight:500}
html[data-ui-theme="brutal"] :is(h1,h2,h3){text-transform:none}
html[data-ui-theme="brutal"] .studio-brand-symbol{color:#0a0a0a!important}
html[data-ui-theme="brutal"] .studio-wordmark{font-size:34px!important;font-weight:900!important;text-transform:uppercase;letter-spacing:-.04em!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] .studio-wordmark i{color:var(--st-pink)!important}
html[data-ui-theme="brutal"] .workspace-shell .sidebar button[data-control-kind="navigation"],html[data-ui-theme="brutal"] .workspace-shell .sidebar .sidebar-tools-summary{color:#0a0a0a!important;font-weight:800!important;border:2.5px solid transparent!important}
html[data-ui-theme="brutal"] .workspace-shell .sidebar button[data-control-kind="navigation"]:hover,html[data-ui-theme="brutal"] .workspace-shell .sidebar .sidebar-tools-summary:hover{background:#fff!important;border-color:#0a0a0a!important;box-shadow:3px 3px 0 #0a0a0a!important}
html[data-ui-theme="brutal"] .workspace-shell .sidebar button[aria-current="page"]{border-color:#0a0a0a!important}
html[data-ui-theme="brutal"] .workspace-shell .sidebar button svg{color:currentColor!important;stroke-width:2.5}
html[data-ui-theme="brutal"] :is(.sidebar-conversations-label,.sidebar-favorites-toggle>span:first-child){display:inline-block!important;width:auto!important;background:#0a0a0a;color:#ffe500!important;padding:4px 9px!important;font-weight:800!important}
html[data-ui-theme="brutal"] .sidebar-conversations-label{align-self:flex-start;margin-left:10px!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item{border:2.5px solid transparent!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item:hover{background:#fff!important;border-color:#0a0a0a!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item.active{border-color:#0a0a0a!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item.active :is(.conv-item-title,.conv-item-time){color:#fff!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item-actions button{border:0!important;box-shadow:none!important;background:transparent!important}
html[data-ui-theme="brutal"] .workspace-shell .conv-item.active .conv-item-actions button{color:#fff!important}
html[data-ui-theme="brutal"] .conv-item-badge{background:var(--st-pink)!important;color:#0a0a0a!important;border:2px solid #0a0a0a!important;font-weight:800}
html[data-ui-theme="brutal"] .sidebar-footer{border-top:3px solid #0a0a0a!important}
html[data-ui-theme="brutal"] .sidebar-footer .user-avatar,html[data-ui-theme="brutal"] #appPage .message.user .message-avatar{background:var(--st-pink)!important;color:#0a0a0a!important;border:2.5px solid #0a0a0a!important;font-weight:900}
html[data-ui-theme="brutal"] .workspace-shell .sidebar #newChatBtn{font-weight:900!important;font-size:17px!important}
html[data-ui-theme="brutal"] .workspace-shell .sidebar #newChatBtn:hover{box-shadow:5px 5px 0 #0a0a0a!important}

/* Chat. */
html[data-ui-theme="brutal"] #appPage .chat-title-wrapper h2{font-size:22px!important;font-weight:900!important}
html[data-ui-theme="brutal"] .workspace-main .points-display{background:#ffe500!important;border:2.5px solid #0a0a0a!important;box-shadow:3px 3px 0 #0a0a0a!important;font-weight:900}
html[data-ui-theme="brutal"] #appPage .message-header{font-weight:800}
html[data-ui-theme="brutal"] #appPage .message.assistant .message-header>:not(.message-avatar){background:var(--st-pink);padding:1px 8px;border:2px solid #0a0a0a}
html[data-ui-theme="brutal"] #appPage .message.assistant .message-avatar{background:#fff!important;border:2.5px solid #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .message.assistant .message-content{padding:22px 26px!important}
html[data-ui-theme="brutal"] #appPage .message.user .message-content{font-weight:700}
html[data-ui-theme="brutal"] #appPage .content-html h2{display:table;font-size:24px!important;font-weight:900!important;padding:0 6px;margin:26px 0 12px -6px!important;background:linear-gradient(transparent 52%,#ffe500 52%,#ffe500 92%,transparent 92%)}
html[data-ui-theme="brutal"] #appPage .content-html h3{font-weight:900!important}
html[data-ui-theme="brutal"] #appPage .content-html strong{font-weight:900;background:linear-gradient(transparent 60%,rgba(255,77,141,.35) 60%)}
html[data-ui-theme="brutal"] #appPage .content-html blockquote{background:#ffe500!important;border:2.5px solid #0a0a0a!important;border-radius:4px!important;box-shadow:4px 4px 0 #0a0a0a;color:#0a0a0a!important;font-weight:600}
html[data-ui-theme="brutal"] #appPage .content-html table{border:2.5px solid #0a0a0a!important;border-radius:0!important;border-collapse:collapse}
html[data-ui-theme="brutal"] #appPage .content-html :is(th,td){border:2px solid #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .content-html th{background:#0a0a0a!important;color:#fff!important}
html[data-ui-theme="brutal"] #appPage .content-html :is(ul,ol) li::marker{color:#0a0a0a;font-weight:900}
html[data-ui-theme="brutal"] #appPage .content-html a{color:#0a0a0a!important;background:#9fb4ff;text-decoration:none;padding:0 3px;border-bottom:2px solid #0a0a0a}
html[data-ui-theme="brutal"] #appPage .code-block-wrapper .hljs,html[data-ui-theme="brutal"] #appPage .code-block-wrapper pre{background:transparent!important}
html[data-ui-theme="brutal"] #appPage .code-copy-btn{background:#ffe500!important;color:#0a0a0a!important;border:2px solid #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .code-locked-block{background:#fff38a!important;border:2.5px dashed #0a0a0a!important;box-shadow:4px 4px 0 #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .thinking-timeline-container{background:#fff!important;border:2.5px solid #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .input-container{box-shadow:6px 6px 0 #0a0a0a!important}
html[data-ui-theme="brutal"] #appPage .input-container:focus-within{box-shadow:6px 6px 0 var(--st-blue)!important}
html[data-ui-theme="brutal"] #appPage .input-actions button[data-control-kind="icon"]{border:2.5px solid #0a0a0a!important;background:#fff!important}
html[data-ui-theme="brutal"] #appPage .model-selector-btn{font-weight:800}
html[data-ui-theme="brutal"] #appPage #chatScrollBottom{background:#ffe500!important}

/* Empty state: poster type. */
html[data-ui-theme="brutal"] .conversation-mark{color:#0a0a0a!important;font-weight:900!important;font-size:96px!important;letter-spacing:-.06em!important;text-transform:uppercase}
html[data-ui-theme="brutal"] .conversation-mark span{color:var(--st-pink)!important}
html[data-ui-theme="brutal"] .conversation-start h3{font-size:clamp(36px,4.6vw,58px)!important;font-weight:900!important;line-height:1.15!important}
html[data-ui-theme="brutal"] .conversation-start>p{display:inline-block;background:#0a0a0a;color:#fff!important;padding:4px 12px;font-weight:700}
html[data-ui-theme="brutal"] .chat-shortcuts button.feature-card{font-weight:800!important}
html[data-ui-theme="brutal"] .chat-shortcuts button.feature-card:nth-child(3n+1){background:#ffe500!important}
html[data-ui-theme="brutal"] .chat-shortcuts button.feature-card:nth-child(3n+2){background:var(--st-pink)!important}
html[data-ui-theme="brutal"] .chat-shortcuts button.feature-card:nth-child(3n){background:#7ef0b0!important}

/* Pages. */
html[data-ui-theme="brutal"] .workspace-main :is(.admin-header,.profile-header) h1{font-size:40px!important;font-weight:900!important}
html[data-ui-theme="brutal"] .workspace-main .admin-heading-block p:not(:empty){display:inline-block;background:#0a0a0a;color:#fff!important;padding:3px 10px;font-weight:700;margin-top:10px!important}
html[data-ui-theme="brutal"] .workspace-main .back-btn{border:2.5px solid #0a0a0a!important;background:#fff!important;box-shadow:3px 3px 0 #0a0a0a!important;color:#0a0a0a!important;font-weight:800!important}
html[data-ui-theme="brutal"] .workspace-main :is(.profile-card,.admin-card,.daily-schedule-panel,.csp-history-panel,.csp-filter-panel,.admin-section,.leaderboard-section) :is(h2,h3){font-weight:900!important}
html[data-ui-theme="brutal"] :is(.csp-history-card,.admin-stat-card,.wrongbook-list-item,.message-thread-item){border:2.5px solid #0a0a0a!important;box-shadow:3px 3px 0 #0a0a0a!important;background:#fff!important}
html[data-ui-theme="brutal"] :is(.wrongbook-list-item.active,.message-thread-item.active){background:#fff38a!important;box-shadow:5px 5px 0 #0a0a0a!important}
html[data-ui-theme="brutal"] :is(.ui-settings-tabs,.wrongbook-tabs,.admin-tabs){border-bottom:3px solid #0a0a0a!important}
html[data-ui-theme="brutal"] body button[data-control-kind="tab"]{font-weight:800!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] body [class*="badge"],html[data-ui-theme="brutal"] body .status-tag,html[data-ui-theme="brutal"] .wrongbook-verdict,html[data-ui-theme="brutal"] .csp-temp-status,html[data-ui-theme="brutal"] .tc-plan-badge,html[data-ui-theme="brutal"] .wrongbook-level,html[data-ui-theme="brutal"] .wrongbook-state{border:2px solid #0a0a0a!important;color:#0a0a0a!important;font-weight:800!important;border-radius:3px!important}
html[data-ui-theme="brutal"] :is(.wrongbook-verdict.verdict-wa,.wrongbook-verdict.verdict-unaccepted,.tc-actual-wa){background:var(--st-pink)!important}
html[data-ui-theme="brutal"] :is(.wrongbook-verdict.verdict-tle,.wrongbook-verdict.verdict-mle,.tc-actual-tle){background:#ffb347!important}
html[data-ui-theme="brutal"] :is(.wrongbook-verdict.verdict-re,.wrongbook-verdict.verdict-ce){background:#c9a7ff!important}
html[data-ui-theme="brutal"] .csp-temp-status.open,html[data-ui-theme="brutal"] .tc-actual-ac{background:#7ef0b0!important}
html[data-ui-theme="brutal"] .csp-temp-status.closed{background:#e6e3d9!important}
html[data-ui-theme="brutal"] .tc-plan-badge{background:#ffe500!important}
html[data-ui-theme="brutal"] :is(.admin-stat-card strong,.csp-history-score,#achievementCompletion,.wrongbook-summary-card strong,.pcal-num){font-weight:900!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] .csp-history-score{font-size:36px!important}
html[data-ui-theme="brutal"] :is(.pcal-cell,.tc-day):not(.empty){background:#fff!important;border:2px solid #0a0a0a!important}
html[data-ui-theme="brutal"] .tc-day.st-done{background:#c9f5dd!important}
html[data-ui-theme="brutal"] .tc-day.today{background:#ffe500!important;box-shadow:4px 4px 0 #0a0a0a!important}
html[data-ui-theme="brutal"] .plan-cal-weekhead span{font-weight:900;color:#0a0a0a}
html[data-ui-theme="brutal"] .achievement-progress{border:2px solid #0a0a0a;border-radius:0!important;height:12px!important;background:#fff!important}
html[data-ui-theme="brutal"] .achievement-icon{border:2.5px solid #0a0a0a!important;box-shadow:3px 3px 0 #0a0a0a}
html[data-ui-theme="brutal"] .workspace-main .leaderboard-section tbody tr td:first-child{font-weight:900;font-size:16px}
html[data-ui-theme="brutal"] .leaderboard-avatar{border:2px solid #0a0a0a!important;border-radius:0!important}

/* Login: a poster. */
html[data-ui-theme="brutal"] .login-introduction,html[data-ui-theme="brutal"] .register-side-section{background:#ffe500!important;color:#0a0a0a!important;border-right:3px solid #0a0a0a}
html[data-ui-theme="brutal"] .oihelp-wordmark,html[data-ui-theme="brutal"] .signup-masthead>span:first-child{text-transform:uppercase;font-weight:900!important;letter-spacing:-.05em!important}
html[data-ui-theme="brutal"] .oihelp-wordmark :is(.brand-dot,.brand-slash){color:var(--st-pink)}
html[data-ui-theme="brutal"] :is(.login-masthead>span,.signup-masthead>span:last-child){background:#0a0a0a;color:#ffe500!important;padding:4px 10px;font-weight:800;opacity:1!important}
html[data-ui-theme="brutal"] .login-editorial h2,html[data-ui-theme="brutal"] .signup-story h2{font-size:clamp(56px,6.4vw,96px)!important;font-weight:900!important;line-height:1.05!important;letter-spacing:-.04em!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] .login-lead{display:inline-block;background:#fff;border:2.5px solid #0a0a0a;box-shadow:4px 4px 0 #0a0a0a;padding:12px 16px;font-weight:700;opacity:1!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] .login-orbit-art{color:#0a0a0a!important}
html[data-ui-theme="brutal"] .login-orbit-art circle{fill:var(--st-pink);stroke:#0a0a0a;stroke-width:5}
html[data-ui-theme="brutal"] .login-footnote{font-weight:800;opacity:1!important}
html[data-ui-theme="brutal"] .login-container,html[data-ui-theme="brutal"] .register-form-container{background:#fff!important;border:3px solid #0a0a0a!important;box-shadow:10px 10px 0 #0a0a0a!important;padding:40px 36px!important;border-radius:4px!important}
html[data-ui-theme="brutal"] .login-header h1,html[data-ui-theme="brutal"] .register-header h1{font-size:40px!important;font-weight:900!important}
html[data-ui-theme="brutal"] .login-container .form-group label{font-weight:800!important;color:#0a0a0a!important}
html[data-ui-theme="brutal"] .login-container .btn-login{background:var(--st-blue)!important;color:#fff!important;border:2.5px solid #0a0a0a!important;box-shadow:4px 4px 0 #0a0a0a!important;font-weight:900!important;font-size:17px!important}
html[data-ui-theme="brutal"] :is(.signup-code,.signup-stamp){border-width:3px!important;background:#fff}

/* --------------------------------------------------------------------------
   7. Phone refinements shared by the studio family
   -------------------------------------------------------------------------- */
@media(max-width:640px){
 html[data-ui-family="studio"] .training-plan-panel .task-list-head{flex-wrap:wrap!important;gap:12px!important;align-items:center!important}
 html[data-ui-family="studio"] .training-plan-panel .task-list-head>h2{white-space:nowrap;flex:1 0 auto}
 html[data-ui-family="studio"] .training-plan-head-actions{width:100%!important;justify-content:flex-start!important;flex-wrap:wrap}
 html[data-ui-family="studio"] .training-plan-head-actions summary{white-space:nowrap}
 /* Day cells are ~46px wide: show state by colour and a dot, details open on tap. */
 html[data-ui-family="studio"] .tc-day{position:relative;height:54px!important;min-height:54px!important;padding:6px 4px!important;overflow:hidden}
 html[data-ui-family="studio"] .tc-day :is(.tc-plan-line,.tc-actual-line){display:none!important}
 html[data-ui-family="studio"] .tc-day.has-actual::after{content:"";position:absolute;left:50%;bottom:7px;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--primary)}
 html[data-ui-family="studio"] .tc-day.st-partial{background-image:linear-gradient(0deg,var(--primary-bg),var(--primary-bg))!important}
 html[data-ui-family="studio"] .tc-day.st-missed .pcal-num{color:var(--error)!important}
 html[data-ui-family="studio"] .plan-cal-grid,html[data-ui-family="studio"] .plan-cal-weekhead{gap:4px!important}
}

@media(prefers-reduced-motion:reduce){
 html[data-ui-theme="glass"] body::before{animation:none}
 html[data-ui-family="studio"] :is(.studio-wordmark,.conversation-mark,.login-editorial h2,.signup-story h2)::after,html[data-ui-theme] .style-preview-terminal>em::after{animation:none}
}