/* ═══════════════════════════════════════════════════════════════════
   DOAI.Orbit — THEME SYSTEM
   Dark Mode (default) + Daytime Mode (data-theme="light")
   ═══════════════════════════════════════════════════════════════════ */

/* ── DARK MODE (DEFAULT) ──────────────────────────── */
:root,
[data-theme="dark"] {
  --bg:          #050510;
  --bg-surface:  #0a0a1a;
  --bg-card:     #0d0d24;
  --bg-card-alt: #08081a;
  --bg-elevated: #0f0f28;
  --bg-nav:      rgba(5,5,16,0.9);
  --bg-overlay:  rgba(5,5,16,0.97);
  --bg-gradient-hero: rgba(5,5,16,1);

  --text:        #e8e8f0;
  --text-dim:    #7878a0;
  --text-muted:  #505070;
  --text-inverse:#050510;

  --neon-cyan:   #00f5ff;
  --neon-purple: #8B5CF6;
  --neon-pink:   #FF006E;
  --neon-green:  #00ff9d;
  --neon-gold:   #FFD700;
  --holo-blue:   #4da6ff;

  --border:      rgba(0,245,255,0.15);
  --border-light:rgba(255,255,255,0.05);
  --border-card: rgba(255,255,255,0.04);

  --glow-cyan:   0 0 20px rgba(0,245,255,0.4);
  --glow-purple: 0 0 20px rgba(139,92,246,0.4);
  --glow-pink:   0 0 20px rgba(255,0,110,0.4);
  --glow-gold:   0 0 15px rgba(255,215,0,0.35);

  --hover-cyan:  rgba(0,245,255,0.12);
  --hover-purple:rgba(139,92,246,0.12);
  --hover-card-bg: rgba(0,0,0,0.2);

  --scanline-color: rgba(0,0,0,0.03);
  --noise-color: rgba(0,245,255,0.015);
}

/* ═══════════════════════════════════════════════════════════════════
   DOAI.Orbit — ANIMATIONS (shared across all pages)
   Glitch, reveal, scanline, decode, stagger — original index.html system
   ═══════════════════════════════════════════════════════════════════ */

/* ── KEYFRAMES ──────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(0,245,255,0.4); }
  70% { box-shadow: 0 0 0 12px rgba(0,245,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,245,255,0); }
}
@keyframes glitch {
  0%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0); }
  10% { clip-path: inset(20% 0 60% 0); transform: translate(-3px, 1px); }
  20% { clip-path: inset(60% 0 10% 0); transform: translate(3px, -1px); }
  30% { clip-path: inset(40% 0 30% 0); transform: translate(-2px, 2px); }
  40% { clip-path: inset(80% 0 5% 0); transform: translate(2px, -2px); }
  50% { clip-path: inset(10% 0 70% 0); transform: translate(-1px, 1px); }
}

/* ── CURSOR BLINK ─────────────────────── */
.cursor-blink { animation: blink 1.1s step-end infinite; }

/* ── SCANLINE OVERLAY ─────────────────── */
/* Applied as a fixed overlay — add <div class="scanline"></div> to body */
@media (max-width: 768px) { .holographic-avatar { display: none !important; } }
.scanline {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ── REVEAL ON SCROLL ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── GLITCH HEADING ON SCROLL ──────────── */
.glitch-heading {
  position: relative;
  display: inline-block;
}
.glitch-heading::before,
.glitch-heading::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
}
.glitch-heading.glitching::before {
  color: var(--neon-cyan);
  animation: glitch 0.4s steps(1) forwards;
  opacity: 0.7;
}
.glitch-heading.glitching::after {
  color: var(--neon-pink);
  animation: glitch 0.4s steps(1) reverse forwards;
  opacity: 0.5;
}

/* ── STAGGERED REVEAL CHILDREN ────────── */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
.reveal-stagger.visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }

/* ── DECODE TEXT (holographic hover scramble) ── */
.decode-text {
  transition: color 0.2s;
  cursor: default;
}
.decode-text:hover {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

/* ── TYPEWRITER EFFECT ────────────────── */
.typewriter {
  visibility: hidden;
  overflow: hidden;
  border-right: 2px solid var(--neon-cyan);
  white-space: nowrap;
  letter-spacing: 0.15em;
  animation: blink 0.75s step-end infinite;
}
.typewriter.done {
  border-right-color: transparent;
  animation: none;
}

/* ── FADE-IN ON LOAD ──────────────────── */
.fade-in-on-load {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}
.fade-in-on-load.delay-1 { animation-delay: 0.2s; }
.fade-in-on-load.delay-2 { animation-delay: 0.4s; }
.fade-in-on-load.delay-3 { animation-delay: 0.6s; }
.fade-in-on-load.delay-4 { animation-delay: 0.8s; }
.fade-in-on-load.delay-5 { animation-delay: 1.0s; }

/* ── PARTICLE CANVAS ──────────────────── */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── LIGHT MODE OVERRIDES FOR ANIMATIONS ── */
.scanline {
  background: none !important;
}
[data-theme="light"] #particle-canvas {
  display: none !important;
}
[data-theme="light"] .glitch-heading.glitching::before {
  color: #2196F3;
}
[data-theme="light"] .glitch-heading.glitching::after {
  color: #E91E63;
}

/* ── DAYTIME MODE (LIGHT) ─────────────────────────── */
[data-theme="light"] {
  --bg:          #f5f7fa;
  --bg-surface:  #ffffff;
  --bg-card:     #ffffff;
  --bg-card-alt: #f0f4f8;
  --bg-elevated: #ffffff;
  --bg-nav:      rgba(255,255,255,0.92);
  --bg-overlay:  rgba(255,255,255,0.98);
  --bg-gradient-hero:#f5f7fa;

  --text:        #1a1a2e;
  --text-dim:    #4a5568;
  --text-muted:  #8899aa;
  --text-inverse:#ffffff;

  /* Sky-blue holographic palette */
  --neon-cyan:   #2196F3;
  --neon-purple: #5C6BC0;
  --neon-pink:   #E91E63;
  --neon-green:  #00BFA5;
  --neon-gold:   #FF8F00;
  --holo-blue:   #90CAF9;

  --border:      rgba(33,150,243,0.2);
  --border-light:rgba(0,0,0,0.06);
  --border-card: rgba(0,0,0,0.04);

  /* Sky-blue glows — transparent/softer */
  --glow-cyan:   0 0 18px rgba(33,150,243,0.25);
  --glow-purple: 0 0 18px rgba(92,107,192,0.25);
  --glow-pink:   0 0 18px rgba(233,30,99,0.2);
  --glow-gold:   0 0 12px rgba(255,143,0,0.2);

  --hover-cyan:  rgba(33,150,243,0.08);
  --hover-purple:rgba(92,107,192,0.08);
  --hover-card-bg: rgba(0,0,0,0.02);

  --scanline-color: transparent;
  --noise-color: transparent;
}

/* ── THEME TOGGLE BUTTON ──────────────────────────── */
.theme-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--neon-cyan);
  background: var(--bg-card);
  color: var(--neon-cyan);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  box-shadow: var(--glow-cyan);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 0 28px rgba(33,150,243,0.4);
  background: var(--neon-cyan);
  color: var(--text-inverse);
}

[data-theme="light"] .theme-toggle {
  box-shadow: 0 2px 12px rgba(33,150,243,0.2);
}

/* ── DAYTIME OVERRIDES ────────────────────────────── */
/* Remove scanline noise overlay in light mode */
[data-theme="light"] body::before {
  background-image: none;
  opacity: 0;
}

/* Soften the grid noise */
.scanline {
  background: none;
}

/* Adjust nav transparency */
[data-theme="light"] nav {
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(33,150,243,0.12);
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}

/* Day mode card borders are crisper */
[data-theme="light"] .pillar-card,
[data-theme="light"] .framework-card,
[data-theme="light"] .cast-card,
[data-theme="light"] .arc-entry,
[data-theme="light"] .transmission-card {
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

[data-theme="light"] .arc-entry:hover,
[data-theme="light"] .pillar-card:hover {
  box-shadow: 0 4px 20px rgba(33,150,243,0.1);
}

/* Selection colors */
[data-theme="light"] ::selection {
  background: var(--neon-cyan);
  color: #fff;
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border-radius: 3px;
}

/* Light mode cast overlay — HIDE IT so images show through */
[data-theme="light"] .cast-overlay,
[data-theme="light"] .char-portrait-overlay,
[data-theme="light"] .episode-thumb .overlay {
  display: none !important;
}

/* Light mode cast status badge */
[data-theme="light"] .cast-status,
[data-theme="light"] .char-portrait-status {
  background: rgba(255,255,255,0.95) !important;
  border: 1px solid currentColor !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
}

[data-theme="light"] .cast-card:nth-child(1) .cast-status { color: #2196F3 !important; }
[data-theme="light"] .cast-card:nth-child(2) .cast-status { color: #5C6BC0 !important; }
[data-theme="light"] .cast-card:nth-child(3) .cast-status { color: #E91E63 !important; }

/* Light mode cast card info */
[data-theme="light"] .cast-info,
[data-theme="light"] .char-portrait-designation {
  color: var(--text) !important;
}

[data-theme="light"] .cast-name,
[data-theme="light"] .cast-role,
[data-theme="light"] .cast-desc,
[data-theme="light"] .cast-designation {
  color: var(--text) !important;
}

/* Light mode cast card border */
[data-theme="light"] .cast-card {
  border-color: rgba(33,150,243,0.2) !important;
}

/* ── ARTICLES PAGE LIGHT MODE ────────────────── */

/* Article cards — white/light background instead of dark gradient */
[data-theme="light"] .article-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.97) 0%, rgba(245,247,250,0.97) 100%) !important;
  border-color: rgba(33,150,243,0.15) !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06) !important;
}

[data-theme="light"] .article-card:hover {
  border-color: rgba(33,150,243,0.3) !important;
  box-shadow: 0 4px 20px rgba(33,150,243,0.1) !important;
}

/* Article header hover */
[data-theme="light"] .article-header:hover {
  background: rgba(33,150,243,0.04) !important;
}

/* Article content text */
[data-theme="light"] .article-content {
  color: rgba(26,26,46,0.85) !important;
  border-left-color: rgba(33,150,243,0.2) !important;
}

[data-theme="light"] .article-content strong {
  color: var(--text) !important;
}

/* Collapse arrow */
[data-theme="light"] .collapse-arrow {
  border-color: rgba(33,150,243,0.2) !important;
}

[data-theme="light"] .article-card.expanded .collapse-arrow {
  border-color: rgba(33,150,243,0.3) !important;
  background: rgba(33,150,243,0.06) !important;
}

/* Accent bar glow softer in light mode */
[data-theme="light"] .article-card.flux .char-accent-bar {
  box-shadow: 0 0 8px rgba(0,245,255,0.15) !important;
}
[data-theme="light"] .article-card.orbit .char-accent-bar {
  box-shadow: 0 0 8px rgba(139,92,246,0.15) !important;
}
[data-theme="light"] .article-card.atlas .char-accent-bar {
  box-shadow: 0 0 8px rgba(0,255,157,0.15) !important;
}

/* Article sources border */
[data-theme="light"] .article-sources {
  border-top-color: rgba(33,150,243,0.1) !important;
}

/* Article title hover — sky-blue instead of white */
[data-theme="light"] .article-card:hover .article-title {
  color: #2196F3 !important;
  text-shadow: none !important;
}

/* Scanline off in light mode */
[data-theme="light"] body::before {
  background: none !important;
}

/* Holo canvas off in light mode */
[data-theme="light"] #holo-canvas {
  display: none !important;
}

/* Light mode hero gradients */
[data-theme="light"] #hero::after {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(33,150,243,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg) 0%, transparent 60%);
}

[data-theme="light"] #hero::before {
  background: radial-gradient(circle, rgba(92,107,192,0.12) 0%, transparent 70%);
}

/* Mobile overlay */
[data-theme="light"] .nav-overlay {
  background: rgba(255,255,255,0.98);
}

/* Footer */
[data-theme="light"] footer {
  border-top-color: rgba(0,0,0,0.06);
}

/* Smooth transition when theme switches (optional — can disable if janky) */
/* html { transition: none; } */

/* ═══════════════════════════════════════════════════════════════════
   LIGHT MODE OVERRIDES FOR HARDCODED DARK COLORS
   Fixes pages with custom CSS that don't use theme variables
   ═══════════════════════════════════════════════════════════════════ */

/* Nav backgrounds with hardcoded rgba(5,5,16,...) */
[data-theme="light"] nav[style*="rgba(5,5,16"],
[data-theme="light"] nav {
  background: rgba(255,255,255,0.92) !important;
}

/* Overlay backgrounds */
[data-theme="light"] .nav-overlay,
[data-theme="light"] [class*="overlay"] {
  background: rgba(255,255,255,0.98) !important;
}

/* Hero gradients with dark base colors */
[data-theme="light"] #hero::before,
[data-theme="light"] .hero::before {
  background: radial-gradient(circle, rgba(92,107,192,0.08) 0%, transparent 70%) !important;
}

[data-theme="light"] #hero::after,
[data-theme="light"] .hero::after {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(33,150,243,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg) 0%, transparent 60%) !important;
}

/* Card/section backgrounds with dark rgba */
[data-theme="light"] [class*="card"]::before,
[data-theme="light"] [class*="node"]::before {
  background: var(--neon-cyan) !important;
}

/* Selection */
[data-theme="light"] ::selection {
  background: var(--neon-cyan);
  color: #fff;
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track {
  background: var(--bg-surface);
}

/* Any remaining rgba(5,5,16,...) backgrounds */
[data-theme="light"] [style*="rgba(5,5,16"] {
  background: rgba(255,255,255,0.95) !important;
}

/* Gradient backgrounds with dark colors */
[data-theme="light"] [style*="linear-gradient"][style*="rgba(5,5,16"],
[data-theme="light"] [style*="radial-gradient"][style*="rgba(5,5,16"] {
  background: linear-gradient(135deg, rgba(33,150,243,0.05) 0%, rgba(92,107,192,0.05) 100%) !important;
}

/* Signal source pages - specific fixes */
[data-theme="light"] .signal-source-page nav,
[data-theme="light"] .signal-source-page .nav-overlay {
  background: rgba(255,255,255,0.95) !important;
}

/* Signal Index page — light mode */
[data-theme="light"] .signal-card {
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
[data-theme="light"] .signal-card:hover {
  box-shadow: 0 4px 20px rgba(33,150,243,0.1);
}
[data-theme="light"] .layer-title .id {
  background: var(--hover-cyan) !important;
}
[data-theme="light"] .score-badge {
  background: var(--hover-purple) !important;
}
[data-theme="light"] .score-high {
  background: rgba(0,191,165,0.08) !important;
}
[data-theme="light"] .score-low {
  background: rgba(233,30,99,0.08) !important;
}
[data-theme="light"] .signal-layer.deep-index {
  border-top-color: rgba(0,0,0,0.06);
}

/* Custom neon-amber for light mode */
[data-theme="light"] {
  --neon-amber: #FF8F00;
  --neon-blue: #2196F3;
}

/* Light mode text colors on signal pages */
[data-theme="light"] .hero-title .line-1,
[data-theme="light"] .hero-title .line-2,
[data-theme="light"] .hero-eyebrow,
[data-theme="light"] .section-title,
[data-theme="light"] .node-name,
[data-theme="light"] .node-role,
[data-theme="light"] .node-description,
[data-theme="light"] .hero-quote,
[data-theme="light"] .section-intro {
  color: var(--text) !important;
}

/* Ensure node cards have proper contrast */
[data-theme="light"] .node-card {
  background: var(--bg-card) !important;
  border-color: var(--border) !important;
}

[data-theme="light"] .node-card .node-name a {
  color: var(--neon-cyan) !important;
}

/* Mobile overlay links */
[data-theme="light"] .nav-overlay a {
  color: var(--text);
}

/* Footer */
[data-theme="light"] footer {
  border-top-color: rgba(0,0,0,0.06);
}

/* ═══════════════════════════════════════════════════════════════════
   SEARCH MODAL
   ═══════════════════════════════════════════════════════════════════ */

.search-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(5,5,16,0.95);
  backdrop-filter: blur(12px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.search-modal.open {
  display: flex;
  opacity: 1;
}

[data-theme="light"] .search-modal {
  background: rgba(245,247,250,0.98);
}

.search-modal-inner {
  width: 90%;
  max-width: 600px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--glow-cyan);
}

.search-modal-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.search-modal-input-wrap .search-icon {
  font-size: 1.2rem;
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.search-modal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  outline: none;
}

.search-modal-input::placeholder {
  color: var(--text-dim);
}

.search-modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.2s;
}

.search-modal-close:hover {
  color: var(--neon-cyan);
}

.search-modal-results {
  max-height: 50vh;
  overflow-y: auto;
}

.search-modal-result {
  display: block;
  padding: 0.75rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s;
  border-bottom: 1px solid var(--border-light);
}

.search-modal-result:hover {
  background: var(--hover-cyan);
}

.search-modal-result-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neon-cyan);
  margin-bottom: 0.25rem;
}

.search-modal-result-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.search-modal-result-type {
  display: inline-block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--neon-purple);
  color: var(--neon-purple);
  margin-left: 0.5rem;
}

.search-modal-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 2rem;
  font-size: 0.9rem;
}

/* Nav search icon */
.nav-search-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-search-btn:hover {
  color: var(--neon-cyan);
}

/* Mobile overlay search link */
.nav-overlay .overlay-search {
  font-size: 1.4rem;
  color: var(--neon-cyan);
}

.nav-overlay .overlay-search:hover {
  color: var(--text);
}