/* ============================================================================
   Deepvue Imprint — shared design system
   Single source of truth for tokens, typography, and components across all
   browser surfaces (dashboard, admin, login, landing, 404).

   Theme model: raw brand values are fixed; SEMANTIC tokens remap under
   [data-theme="dark"] so dark mode is a pure value swap. Components reference
   only semantic tokens.

   Brand: magenta #e84278 (hexagon mark) -> plum #6b2b80.
   TODO(F3): self-host the three fonts below and drop this @import.
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---- Raw brand palette (theme-invariant) ---------------------------------- */
:root {
  --brand-50:  #fdf2f7;
  --brand-100: #fce7f0;
  --brand-200: #fbcfe1;
  --brand-300: #f7a8c4;
  --brand-400: #f06f9c;
  --brand-500: #e84278;   /* primary magenta */
  --brand-600: #d62d68;
  --brand-700: #b21e54;
  --brand-800: #8f1745;
  --plum-500:  #b658ad;
  --plum-700:  #6b2b80;   /* deep plum */
  --plum-900:  #3f1a4c;

  --font-sans:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-mono:    'JetBrains Mono', Monaco, Menlo, monospace;

  --radius-sm:   8px;
  --radius:      12px;
  --radius-lg:   16px;
  --radius-pill: 999px;

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px; --sp-12: 48px;

  --sidebar-w: 248px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Semantic tokens: LIGHT (default) ------------------------------------- */
:root {
  --bg:            #f8fafc;
  --bg-grid:       rgba(203, 213, 225, 0.22);
  --surface:       #ffffff;
  --surface-2:     #f1f5f9;
  --surface-hover: #f8fafc;
  --border:        #e2e8f0;
  --border-strong: #cbd5e1;

  --text:          #0f172a;
  --text-muted:    #64748b;
  --text-subtle:   #94a3b8;
  --text-invert:   #ffffff;

  --accent:        var(--brand-500);
  --accent-hover:  var(--brand-600);
  --accent-strong: var(--brand-700);
  --accent-contrast: #ffffff;
  --accent-soft:   var(--brand-50);
  --accent-softer: #fff5f9;
  --accent-glow:   rgba(232, 66, 120, 0.18);

  --success: #10b981; --success-soft: #ecfdf5; --success-ink: #047857;
  --warning: #f59e0b; --warning-soft: #fffbeb; --warning-ink: #b45309;
  --danger:  #ef4444; --danger-soft:  #fef2f2; --danger-ink:  #b91c1c;
  --info:    #3b82f6; --info-soft:    #eff6ff; --info-ink:    #1d4ed8;

  --sidebar-bg:     #ffffff;
  --sidebar-border: #e2e8f0;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 1px 3px rgba(15, 23, 42, 0.07), 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 12px 28px rgba(232, 66, 120, 0.10), 0 4px 8px rgba(15, 23, 42, 0.06);

  color-scheme: light;
}

/* ---- Semantic tokens: DARK ------------------------------------------------ */
:root[data-theme="dark"] {
  --bg:            #0b1120;
  --bg-grid:       rgba(148, 163, 184, 0.08);
  --surface:       #131b2e;
  --surface-2:     #0f172a;
  --surface-hover: #1a2438;
  --border:        #26324a;
  --border-strong: #3b4a68;

  --text:          #e8edf6;
  --text-muted:    #9aa8c0;
  --text-subtle:   #64748b;
  --text-invert:   #0b1120;

  --accent:        var(--brand-500);
  --accent-hover:  var(--brand-400);
  --accent-strong: var(--brand-300);
  --accent-contrast: #ffffff;
  --accent-soft:   rgba(232, 66, 120, 0.16);
  --accent-softer: rgba(232, 66, 120, 0.10);
  --accent-glow:   rgba(232, 66, 120, 0.26);

  --success-soft: rgba(16, 185, 129, 0.14); --success-ink: #34d399;
  --warning-soft: rgba(245, 158, 11, 0.14); --warning-ink: #fbbf24;
  --danger-soft:  rgba(239, 68, 68, 0.14);  --danger-ink:  #f87171;
  --info-soft:    rgba(59, 130, 246, 0.14); --info-ink:    #60a5fa;

  --sidebar-bg:     #0f172a;
  --sidebar-border: #1e293b;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.45), 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.35);

  color-scheme: dark;
}

/* System preference wins only when the user has not explicitly chosen light. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #0b1120; --bg-grid: rgba(148,163,184,0.08);
    --surface: #131b2e; --surface-2: #0f172a; --surface-hover: #1a2438;
    --border: #26324a; --border-strong: #3b4a68;
    --text: #e8edf6; --text-muted: #9aa8c0; --text-subtle: #64748b; --text-invert: #0b1120;
    --accent-hover: var(--brand-400); --accent-strong: var(--brand-300);
    --accent-soft: rgba(232,66,120,0.16); --accent-softer: rgba(232,66,120,0.10);
    --accent-glow: rgba(232,66,120,0.26);
    --success-soft: rgba(16,185,129,0.14); --success-ink: #34d399;
    --warning-soft: rgba(245,158,11,0.14); --warning-ink: #fbbf24;
    --danger-soft: rgba(239,68,68,0.14); --danger-ink: #f87171;
    --info-soft: rgba(59,130,246,0.14); --info-ink: #60a5fa;
    --sidebar-bg: #0f172a; --sidebar-border: #1e293b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 1px 3px rgba(0,0,0,0.45), 0 1px 2px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 28px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.35);
    color-scheme: dark;
  }
}

/* ---- Reset / base --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

.dv-body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.dv-grid-bg {
  background-image: linear-gradient(var(--bg-grid) 1px, transparent 1px),
                    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 32px 32px;
}

h1, h2, h3, h4, h5, .dv-display {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text);
}

.dv-mono { font-family: var(--font-mono); }

.dv-gradient-text {
  background: linear-gradient(135deg, var(--brand-500), var(--plum-700));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

a { color: var(--accent); }

/* ---- Buttons -------------------------------------------------------------- */
.dv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 10px 18px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600; line-height: 1;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease),
              transform 0.12s var(--ease), box-shadow 0.18s var(--ease);
}
.dv-btn:active { transform: translateY(1px); }
.dv-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.dv-btn[disabled] { opacity: 0.55; cursor: not-allowed; }

.dv-btn--primary { background: var(--accent); color: var(--accent-contrast); }
.dv-btn--primary:hover:not([disabled]) { background: var(--accent-hover); box-shadow: 0 6px 16px var(--accent-glow); }

.dv-btn--ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.dv-btn--ghost:hover:not([disabled]) { background: var(--surface-hover); border-color: var(--accent); color: var(--accent); }

.dv-btn--subtle { background: var(--surface-2); color: var(--text); }
.dv-btn--subtle:hover:not([disabled]) { background: var(--accent-soft); color: var(--accent); }

.dv-btn--danger { background: var(--danger); color: #fff; }
.dv-btn--danger:hover:not([disabled]) { background: var(--danger-ink); }

.dv-btn--sm { padding: 7px 12px; font-size: 13px; }
.dv-btn--block { width: 100%; }

/* ---- Cards / surfaces ----------------------------------------------------- */
.dv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.dv-card--pad { padding: var(--sp-6); }

/* ---- Inputs --------------------------------------------------------------- */
.dv-field { display: block; margin-bottom: var(--sp-4); }
.dv-label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--text-muted); margin-bottom: var(--sp-2);
}
.dv-input, .dv-select {
  width: 100%; padding: 10px 14px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: 14px; outline: none;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.dv-input::placeholder { color: var(--text-subtle); }
.dv-input:focus, .dv-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---- Badges / pills ------------------------------------------------------- */
.dv-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600; line-height: 1.4;
}
.dv-badge--brand   { background: var(--accent-soft);   color: var(--accent-strong); }
.dv-badge--success { background: var(--success-soft);  color: var(--success-ink); }
.dv-badge--warning { background: var(--warning-soft);  color: var(--warning-ink); }
.dv-badge--danger  { background: var(--danger-soft);   color: var(--danger-ink); }
.dv-badge--info    { background: var(--info-soft);     color: var(--info-ink); }
.dv-badge--muted   { background: var(--surface-2);     color: var(--text-muted); }

/* ---- Brand lockup --------------------------------------------------------- */
.dv-lockup { display: inline-flex; align-items: center; gap: 10px; }
.dv-lockup__mark { width: 32px; height: 36px; object-fit: contain; flex: none; }
.dv-lockup__name { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--text); line-height: 1.1; }
.dv-lockup__sub  { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

/* ---- Sidebar (dashboard / admin) ------------------------------------------ */
.dv-shell { display: flex; min-height: 100dvh; }
.dv-sidebar {
  position: sticky; top: 0; align-self: flex-start;
  width: var(--sidebar-w); height: 100dvh; flex: none;
  background: var(--sidebar-bg); border-right: 1px solid var(--sidebar-border);
  display: flex; flex-direction: column; padding: var(--sp-5) var(--sp-4);
}
.dv-sidebar__head { padding: 0 var(--sp-2) var(--sp-5); }
.dv-sidebar__nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.dv-sidebar__section { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-subtle); padding: var(--sp-4) var(--sp-2) var(--sp-2); }
.dv-navitem {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  background: transparent; border: none; cursor: pointer; width: 100%; text-align: left;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.dv-navitem svg { width: 18px; height: 18px; flex: none; }
.dv-navitem:hover { background: var(--surface-2); color: var(--text); }
.dv-navitem.active { background: var(--accent-soft); color: var(--accent-strong); font-weight: 600; }
.dv-sidebar__foot { border-top: 1px solid var(--sidebar-border); padding-top: var(--sp-4); margin-top: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-3); }

.dv-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dv-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-8);
  border-bottom: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0; z-index: 20;
}
.dv-content { padding: var(--sp-8); max-width: 1400px; width: 100%; margin: 0 auto; }

/* ---- Stat tile ------------------------------------------------------------ */
.dv-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--sp-5);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.dv-stat:hover { border-color: var(--border-strong); box-shadow: var(--shadow-lg); }
.dv-stat__label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); font-weight: 500; }
.dv-stat__value { font-family: var(--font-display); font-size: 30px; font-weight: 700; color: var(--text); margin-top: var(--sp-2); letter-spacing: -0.02em; }
.dv-stat__delta { font-size: 12px; font-weight: 600; margin-top: var(--sp-1); }

/* ---- Empty state ---------------------------------------------------------- */
.dv-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--sp-3); padding: var(--sp-10) var(--sp-6);
  color: var(--text-subtle); text-align: center;
}
.dv-empty svg { width: 32px; height: 32px; opacity: 0.6; }
.dv-empty__title { font-size: 14px; color: var(--text-muted); font-weight: 500; }

/* ---- Table ---------------------------------------------------------------- */
.dv-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.dv-table th {
  text-align: left; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-subtle);
  padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border);
}
.dv-table td { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border); color: var(--text); }
.dv-table tbody tr:hover { background: var(--surface-2); }

/* ---- Theme toggle --------------------------------------------------------- */
.dv-theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.dv-theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.dv-theme-toggle svg { width: 18px; height: 18px; }
.dv-theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .dv-theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .dv-theme-toggle .icon-moon { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .dv-theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .dv-theme-toggle .icon-moon { display: inline; }
}

/* ---- Auth card (login / admin login / 404) -------------------------------- */
.dv-auth { min-height: 100dvh; display: grid; place-items: center; padding: var(--sp-6); }
.dv-auth__card {
  width: min(420px, 100%);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--sp-10) var(--sp-8);
  box-shadow: var(--shadow-lg);
}

/* ---- Motion / reduced motion ---------------------------------------------- */
.dv-reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.dv-reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .dv-reveal { opacity: 1; transform: none; }
}

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .dv-sidebar { position: fixed; z-index: 40; transform: translateX(-100%); transition: transform 0.25s var(--ease); box-shadow: var(--shadow-lg); }
  .dv-sidebar.is-open { transform: none; }
  .dv-content, .dv-topbar { padding-left: var(--sp-4); padding-right: var(--sp-4); }
}