/* ============================================================
   PIXLUME — Light Mode (Theme)
   ─────────────────────────────────────────────────────────────
   Applied via [data-theme="light"] on <html>.
   Every colour is a CSS variable override — no selector
   duplication, no specificity wars.

   Dark mode is the default (original :root block).
   Light mode overrides every bg/surface/border/text token.
   Amber and teal accents are kept — slightly deepened for
   legibility on white backgrounds.

   Toggle: theme.js writes data-theme="light" / "dark" and
   stores the choice in localStorage under "mf_theme".
   On page load, theme.js reads localStorage before first
   paint — no flash of wrong theme (FOUT).
============================================================ */

/* ── Light mode token overrides ─────────────────────────── */
[data-theme="light"] {
  /* Backgrounds — inverted from dark hierarchy */
  --bg:          #f4f4f8;
  --bg2:         #ffffff;
  --bg3:         #eeeef4;

  /* Surfaces */
  --surface:     #ffffff;
  --surface2:    #f0f0f6;

  /* Borders */
  --border:      #dcdce8;
  --border2:     #c8c8d8;

  /* Amber — deepened 10% for white-bg contrast (WCAG AA) */
  --amber:       #d4880a;
  --amber-light: #f5a623;
  --amber-dark:  #a86208;
  --amber-glow:  rgba(212, 136, 10, 0.12);
  --amber-glow2: rgba(212, 136, 10, 0.06);

  /* Teal — also deepened slightly */
  --teal:        #009e90;
  --teal-glow:   rgba(0, 158, 144, 0.10);

  /* Typography */
  --text:        #111118;
  --text2:       #44435a;
  --text3:       #888898;

  /* Shadows — lighter for white surfaces */
  --shadow:      0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg:   0 12px 48px rgba(0,0,0,0.12);
  --shadow-amber:0 8px 32px rgba(212,136,10,0.18);
}

/* ── Light: header ──────────────────────────────────────── */
[data-theme="light"] .header {
  background: rgba(244, 244, 248, 0.92);
  border-bottom-color: var(--border);
}
[data-theme="light"] .header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 24px rgba(0,0,0,0.08);
}

/* ── Light: hero grid + orbs ────────────────────────────── */
[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(212,136,10,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,136,10,0.06) 1px, transparent 1px);
}
[data-theme="light"] .hero-orb { opacity: 0.18; }

/* ── Light: tool cards ──────────────────────────────────── */
[data-theme="light"] .tool-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
[data-theme="light"] .tool-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 0 0 1px rgba(212,136,10,0.15);
}

/* ── Light: code/pre blocks ─────────────────────────────── */
[data-theme="light"] .ic,
[data-theme="light"] pre,
[data-theme="light"] code {
  background: var(--bg3);
  border-color: var(--border);
  color: var(--text);
}

/* ── Light: toasts ──────────────────────────────────────── */
[data-theme="light"] .toast {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

/* ── Light: modals ──────────────────────────────────────── */
[data-theme="light"] .modal-box,
[data-theme="light"] [id$="Modal"] > div {
  background: var(--surface);
  border-color: var(--border);
}

/* ── Light: footer ──────────────────────────────────────── */
[data-theme="light"] .footer {
  background: var(--bg3);
  border-top-color: var(--border);
}

/* ── Light: doc sidebar ─────────────────────────────────── */
[data-theme="light"] .doc-sidebar {
  background: var(--bg2);
  border-right-color: var(--border);
}
[data-theme="light"] .doc-header {
  background: rgba(255,255,255,0.92);
  border-bottom-color: var(--border);
}

/* ── Light: auth pages ──────────────────────────────────── */
[data-theme="light"] .auth-panel-left {
  background: linear-gradient(135deg, var(--bg3) 0%, var(--surface) 100%);
}

/* ── Smooth theme transition ────────────────────────────── */
/* Applied to the whole tree so every property transitions.
   Only opacity, transform, filter stay instant for
   animation/interaction elements. */
html {
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

*,
*::before,
*::after {
  transition-property:
    background-color, border-color, color,
    box-shadow, fill, stroke;
  transition-duration: 0.25s;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Preserve animation-heavy elements — don't force colour
   transitions on things that already have their own timing */
.hero-orb,
.hero-orb-1,
.hero-orb-2,
.progress-bar-fill,
.plan-usage-fill,
.jm-progress-fill,
.spinner,
.jm-spin,
[class*="animate"],
[class*="reveal"] {
  transition-property: none !important;
  transition: inherit;
}

/* ── Theme toggle button ────────────────────────────────── */
/* Placed inside .nav-actions. Styled to match the existing
   btn-ghost pattern from style.css without adding new classes. */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  font-size: 0.9rem;
  font-family: var(--font-body);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--surface2);
  border-color: var(--border2);
  color: var(--amber);
}

/* Icon swap — only one icon visible at a time */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity 0.2s ease, transform 0.3s ease;
}

/* Dark mode active: show sun (click to go light) */
[data-theme="dark"] .theme-toggle .icon-sun,
:root:not([data-theme]) .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
[data-theme="dark"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

/* Light mode active: show moon (click to go dark) */
[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}
[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
