/* ═══════════════════════════════════════════════════
   base.css — Variables, reset, nav, shared utilities
   ═══════════════════════════════════════════════════ */

:root {
  --ink:            #0e0e0e;
  --ink-soft:       #1a1a1a;
  --paper:          #f5f0e8;
  --cream:          #ece6d4;
  --parchment:      #d9cdb8;
  --parchment-dark: #c4b89f;
  --gold:           #c8973a;
  --gold-light:     #e8b85a;
  --gold-dim:       rgba(200,151,58,0.15);
  --gold-border:    rgba(200,151,58,0.25);
  --red:            #c0392b;
  --blue:           #2563eb;
  --blue-bg:        rgba(37,99,235,0.10);

  --sidebar-w:      290px;
  --reader-max:     740px;
  --nav-h:          56px;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --radius-sm:  3px;
  --radius-md:  6px;
  --radius-lg:  10px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.12);
  --shadow-md:  0 6px 24px rgba(0,0,0,0.18);
  --shadow-lg:  0 12px 48px rgba(0,0,0,0.28);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--ink);
  color: var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── TOP NAV ── */
.top-nav {
  height: var(--nav-h);
  background: rgba(14,14,14,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  letter-spacing: -0.01em;
  user-select: none;
}
.nav-logo span { color: var(--gold); }

.nav-spacer { flex: 1; }

.nav-btn {
  background: none;
  border: 1px solid var(--gold-border);
  color: var(--parchment);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-btn:hover { border-color: var(--gold); color: var(--gold); }
.nav-btn.primary {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  font-weight: 500;
}
.nav-btn.primary:hover { background: var(--gold-light); border-color: var(--gold-light); }

.nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--parchment);
  opacity: 0.75;
}
.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-weight: 700;
  font-size: 11px;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.admin-badge {
  background: var(--red);
  color: white;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
}

/* ── APP SHELL ── */
#app { display: none; min-height: 100vh; flex-direction: column; }
#app.visible { display: flex; }

/* ── SHARED FORM INPUTS ── */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="color"],
select,
textarea {
  font-family: var(--font-sans);
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink-soft);
  color: var(--paper);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  z-index: 600;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
  max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(200,151,58,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(200,151,58,0.4); }

/* ── SPINNER ── */
.spinner {
  display: inline-block;
  width: 11px;
  height: 11px;
  border: 2px solid rgba(200,151,58,0.25);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 5px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── UTILITY ── */
.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════
   THEME TRANSITION
   ═══════════════════════════════════════════════════ */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition: background 0.3s ease, color 0.3s ease,
              border-color 0.3s ease, box-shadow 0.3s ease !important;
}

/* ═══════════════════════════════════════════════════
   NIGHT MODE — overrides via [data-theme="night"]
   Applied to :root so all CSS vars cascade down
   ═══════════════════════════════════════════════════ */
[data-theme="night"] {
  --ink:            #e8e0d0;
  --ink-soft:       #d4ccc0;
  --paper:          #141410;
  --cream:          #1c1c17;
  --parchment:      #2a2820;
  --parchment-dark: #3a3830;
  --gold:           #d4a84b;
  --gold-light:     #e8c070;
  --gold-dim:       rgba(212,168,75,0.12);
  --gold-border:    rgba(212,168,75,0.2);
}

[data-theme="night"] body {
  background: var(--ink);
  color: var(--paper);
}

[data-theme="night"] nav {
  background: rgba(20,20,16,0.97);
  border-bottom-color: var(--parchment);
}

[data-theme="night"] .reader-toolbar {
  background: rgba(20,20,16,0.94) !important;
  border-bottom-color: var(--parchment) !important;
}

[data-theme="night"] .reader-search-bar {
  background: #1a1a14 !important;
  border-bottom-color: var(--parchment) !important;
}

[data-theme="night"] .annotation-popup {
  background: #1e1e18 !important;
  border-color: var(--parchment) !important;
  color: var(--ink) !important;
}

/* font-picker-panel intentionally stays light in all modes —
   it's a floating picker that always renders against a white bg */
[data-theme="night"] .font-option:hover { background: #e8e0d0 !important; }

[data-theme="night"] .modal {
  background: #1e1e18 !important;
  color: var(--ink) !important;
}

[data-theme="night"] input,
[data-theme="night"] textarea,
[data-theme="night"] select {
  background: #252520 !important;
  color: var(--ink) !important;
  border-color: var(--parchment-dark) !important;
}

[data-theme="night"] .script-card {
  background: var(--cream) !important;
}

[data-theme="night"] .card-title { color: var(--ink) !important; }

[data-theme="night"] .ep-card {
  background: var(--cream) !important;
  border-color: var(--parchment) !important;
}

[data-theme="night"] .episode-browser {
  background: var(--paper) !important;
}

[data-theme="night"] .shortcuts-panel {
  background: #1e1e18 !important;
  border-color: var(--parchment-dark) !important;
  color: var(--ink) !important;
}

[data-theme="night"] .shortcut-key {
  background: var(--parchment) !important;
  color: var(--ink) !important;
  border-color: var(--parchment-dark) !important;
}

[data-theme="night"] .color-picker-panel {
  background: #1e1e18 !important;
  border-color: var(--parchment-dark) !important;
}
[data-theme="night"] .cp-title,
[data-theme="night"] .cp-custom-label { color: var(--ink) !important; opacity: 0.5 !important; }

[data-theme="night"] .note-card {
  background: var(--cream) !important;
  border-color: var(--parchment) !important;
}
[data-theme="night"] .note-card-quote { color: var(--ink) !important; }
[data-theme="night"] .note-card-text  { color: var(--ink) !important; }
[data-theme="night"] .notes-header {
  background: var(--cream) !important;
  border-color: var(--parchment) !important;
}
[data-theme="night"] .notes-header-label,
[data-theme="night"] .note-action-btn { color: var(--ink) !important; }
[data-theme="night"] .note-action-btn:hover { background: var(--parchment) !important; }

[data-theme="night"] .popup-excerpt {
  background: var(--parchment) !important;
  color: var(--ink) !important;
}
[data-theme="night"] .popup-btn {
  color: var(--ink) !important;
  border-color: var(--parchment-dark) !important;
}
[data-theme="night"] .popup-title { color: var(--ink) !important; }