:root {
  --navy-950:#10213a; --navy-900:#17345c; --blue-700:#1d5fbf; --blue-100:#eaf2ff;
  --canvas:#f4f6f9; --surface:#fff; --surface-alt:#f8fafc; --ink:#172033;
  --muted:#5e6c80; --border:#d7dee8; --success:#16764a; --success-bg:#e8f6ef;
  --warning:#996000; --warning-bg:#fff5dc; --danger:#b4232c; --danger-bg:#fdecee;
  --shadow:0 8px 24px rgba(16,33,58,.08); --shadow-subtle:0 2px 8px rgba(16,33,58,.04);
  --radius-sm:6px; --radius:10px;
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:20px; --space-6:24px;
  --sidebar-width:0px; --sidebar-collapsed-width:0px; --topbar-height:64px; --nav-bar-height:48px; --header-total-height:112px; --page-gutter:24px;
  --input-height:40px; --button-height:40px;
  --font-sans:Inter,"Noto Sans Devanagari","Nirmala UI","Mangal",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;

  /* Navigation destination accent tokens */
  --nav-dashboard:#1d5fbf;       --nav-dashboard-tint:#eaf2ff;
  --nav-intelligence:#0d9488;    --nav-intelligence-tint:#e6faf8;
  --nav-library:#4f46e5;         --nav-library-tint:#eef2ff;
  --nav-generator:#c2770a;       --nav-generator-tint:#fef3e2;
  --nav-workflow:#7c3aed;        --nav-workflow-tint:#f3edff;
  --nav-administration:#17345c;  --nav-administration-tint:#eef1f6;
  --nav-source-review:#059669;   --nav-source-review-tint:#ecfdf5;
  --nav-models:#db2777;          --nav-models-tint:#fdf2f8;

  /* ── Chat / Document Intelligence tokens ───────────────────── */
  /* Sidebar (dark navy) */
  --chat-sidebar-bg: #0f172a;
  --chat-sidebar-surface: rgba(255,255,255,0.05);
  --chat-sidebar-hover: rgba(255,255,255,0.08);
  --chat-sidebar-active: rgba(99,102,241,0.22);
  --chat-sidebar-active-border: #6366f1;
  --chat-sidebar-text: #e2e8f0;
  --chat-sidebar-muted: #94a3b8;
  --chat-sidebar-border: rgba(255,255,255,0.08);
  --chat-sidebar-btn-bg: #4f46e5;
  --chat-sidebar-btn-hover: #4338ca;

  /* User message bubble */
  --chat-user-bg: #1d5fbf;
  --chat-user-text: #ffffff;

  /* Assistant message */
  --chat-assistant-bg: #ffffff;
  --chat-assistant-accent: #059669;
  --chat-assistant-accent-light: #ecfdf5;

  /* Query interpretation pill */
  --chat-query-pill-bg: #f1f5f9;
  --chat-query-pill-text: #475569;
  --chat-query-pill-kw-bg: #e0e7ff;
  --chat-query-pill-kw-text: #3730a3;

  /* Citation cards */
  --citation-border: #4f46e5;
  --citation-bg: #fafbff;
  --citation-quote-color: #64748b;
  --citation-link: #4f46e5;
  --citation-badge-bg: #e0e7ff;
  --citation-badge-text: #312e81;

  /* Composer (sticky bottom) */
  --composer-bg: #ffffff;
  --composer-border: #e2e8f0;
  --composer-shadow: 0 -4px 20px rgba(15,23,42,0.08);

  /* Loading skeleton animation */
  --skeleton-from: #e2e8f0;
  --skeleton-to: #f8fafc;
}

*{box-sizing:border-box} html{font-family:var(--font-sans);color:var(--ink);background:var(--canvas);scroll-padding-top:5.25rem}
body{margin:0;background:var(--canvas)} a{color:inherit} button,input,select{font:inherit}
:where([id],[tabindex="-1"]){scroll-margin-top:5.25rem}
img,svg{max-width:100%}
@media(max-width:700px){html{scroll-padding-top:1rem}:where([id],[tabindex="-1"]){scroll-margin-top:1rem}}