/* ============================================================
   TVA THEME (ALTERNATE TERMINAL OS)
   Scoped to body[data-theme="tva"] — sheet enabled only for this theme.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&family=IBM+Plex+Mono:wght@400;700&display=swap');

body[data-theme="tva"] {
  --color-bg-deep: #171311;
  --color-bg-panel: #1E1814;
  --color-bg-panel-alt: #241F1A;
  --color-accent-gold: #FF8A00;
  --color-accent-red: #D9381E;
  --color-accent-cyan: #FF8A00;
  --color-accent-purple: #FF8A00;
  --color-text-primary: #FF8A00;
  --color-text-muted: #A85B00;
  --color-border-glass: #FF8A00;
  --color-legacy-glow: #D9381E;
  --color-mainline-glow: #FF8A00;
  --font-display: 'VT323', monospace;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'IBM Plex Mono', monospace;
  --radius: 0px;
}

body[data-theme="tva"] {
  background-color: var(--color-bg-deep);
  background-image: none;
}

body[data-theme="tva"]::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
}

body[data-theme="tva"]::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.55) 100%);
}

body[data-theme="tva"],
body[data-theme="tva"] p,
body[data-theme="tva"] span,
body[data-theme="tva"] h1,
body[data-theme="tva"] h2,
body[data-theme="tva"] h3,
body[data-theme="tva"] h4,
body[data-theme="tva"] button,
body[data-theme="tva"] input,
body[data-theme="tva"] label,
body[data-theme="tva"] a,
body[data-theme="tva"] .tva-badge-date,
body[data-theme="tva"] .node-title,
body[data-theme="tva"] .node-date {
  text-shadow: 0 0 5px rgba(255, 138, 0, 0.55);
}

body[data-theme="tva"] canvas,
body[data-theme="tva"] .modal-overlay {
  text-shadow: none;
}

body[data-theme="tva"] .glass-panel,
body[data-theme="tva"] .watch-card,
body[data-theme="tva"] .detail-modal,
body[data-theme="tva"] .filter-bar,
body[data-theme="tva"] .timeline-controls {
  background: var(--color-bg-panel);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 2px solid var(--color-accent-gold);
  border-radius: 0;
  box-shadow: none;
}

body[data-theme="tva"] .watch-card.universe-legacy {
  border-color: var(--color-accent-red);
}

body[data-theme="tva"] .watch-card.universe-tva {
  border-color: var(--color-accent-red);
}

body[data-theme="tva"] .watch-card.universe-mainline {
  border-color: var(--color-accent-gold);
}

body[data-theme="tva"] .watch-card:hover {
  box-shadow: none;
  transform: none;
}

body[data-theme="tva"] .watch-card.universe-legacy:hover {
  border-color: #ff5533;
}

body[data-theme="tva"] .watch-card.universe-mainline:hover {
  border-color: #ffaa33;
}

body[data-theme="tva"] .watch-card::before {
  display: none;
}

body[data-theme="tva"] .glass-panel::before,
body[data-theme="tva"] .glass-panel::after {
  display: none;
}

body[data-theme="tva"] header {
  background: #1E1814;
  border-bottom: 2px solid var(--color-accent-gold);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 4px 0 rgba(255,138,0,0.1);
}

body[data-theme="tva"] h1,
body[data-theme="tva"] h2,
body[data-theme="tva"] h3,
body[data-theme="tva"] h4,
body[data-theme="tva"] .kpi-number,
body[data-theme="tva"] .section-title,
body[data-theme="tva"] .phase-badge,
body[data-theme="tva"] .nav-tab,
body[data-theme="tva"] .filter-btn,
body[data-theme="tva"] .order-btn,
body[data-theme="tva"] #modal-close,
body[data-theme="tva"] .open-modal-btn,
body[data-theme="tva"] .phase-marker {
  font-family: 'VT323', monospace;
}

body[data-theme="tva"] p,
body[data-theme="tva"] span,
body[data-theme="tva"] input,
body[data-theme="tva"] label,
body[data-theme="tva"] .card-meta,
body[data-theme="tva"] .section-subtitle,
body[data-theme="tva"] .synopsis-text,
body[data-theme="tva"] .relevance-text,
body[data-theme="tva"] footer {
  font-family: 'IBM Plex Mono', monospace;
}

body[data-theme="tva"] h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: 0.08em;
  background: none;
  -webkit-text-fill-color: var(--color-accent-gold);
}

body[data-theme="tva"] .kpi-number {
  font-size: 4rem;
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
}

body[data-theme="tva"] #kpi-total ~ .kpi-label,
body[data-theme="tva"] #kpi-universes ~ .kpi-label,
body[data-theme="tva"] #kpi-watched ~ .kpi-label {
  font-size: 0;
}

body[data-theme="tva"] #kpi-total ~ .kpi-label::after {
  content: 'CHRONOLOGICAL LOGS';
  font-size: 0.65rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

body[data-theme="tva"] #kpi-universes ~ .kpi-label::after {
  content: 'ACTIVE REALITY SECTORS';
  font-size: 0.65rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

body[data-theme="tva"] #kpi-watched ~ .kpi-label::after {
  content: 'PRUNED VARIANTS';
  font-size: 0.65rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

body[data-theme="tva"] #searchInput::placeholder {
  color: var(--color-text-muted);
}

body[data-theme="tva"] h1::after {
  content: '█';
  display: inline-block;
  margin-left: 0.15em;
  color: var(--color-accent-gold);
  animation: tva-blink-cursor 1.1s step-end infinite;
}

@keyframes tva-blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

body[data-theme="tva"] .filter-btn.active::after {
  content: '_';
  margin-left: 2px;
  animation: tva-blink-cursor 1.1s step-end infinite;
}

/* Doughnut hidden; terminal + diagnostic SVG replace it */
body[data-theme="tva"] .chart-panel .chart-container,
body[data-theme="tva"] .chart-panel .chart-hint {
  display: none;
}

body[data-theme="tva"] .chart-panel {
  position: relative;
  min-height: 200px;
}

body[data-theme="tva"] .tva-terminal-banner,
body[data-theme="tva"] .tva-terminal-status {
  color: var(--color-text-muted);
  text-shadow: 0 0 4px rgba(255, 138, 0, 0.35);
}

body[data-theme="tva"] .tva-universe-terminal-body {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--color-accent-gold);
  border-color: rgba(255, 138, 0, 0.45);
  background: rgba(30, 24, 20, 0.9);
  text-shadow: 0 0 4px rgba(255, 138, 0, 0.35);
}

body[data-theme="tva"] .segment-bar {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--color-accent-gold);
  text-shadow: 0 0 4px rgba(255,138,0,0.6);
  letter-spacing: 0.05em;
  text-align: center;
  margin-top: 0.5rem;
  padding: 0.3rem;
  border-top: 1px solid rgba(255,138,0,0.2);
}

body[data-theme="tva"] .filter-btn {
  background: transparent;
  border: 1px solid var(--color-text-muted);
  color: var(--color-text-muted);
  border-radius: 0;
  font-family: 'VT323', monospace;
  font-size: 1rem;
  letter-spacing: 0.1em;
  transition: border-color 150ms, color 150ms;
}

body[data-theme="tva"] .filter-btn:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  box-shadow: none;
}

body[data-theme="tva"] .filter-btn.active {
  background: rgba(255,138,0,0.1);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  box-shadow: none;
}

body[data-theme="tva"] #order-toggle {
  border-radius: 0;
  border: 1px solid var(--color-text-muted);
}

body[data-theme="tva"] .order-btn {
  border-radius: 0;
  font-family: 'VT323', monospace;
  border: none;
}

body[data-theme="tva"] .order-btn.active {
  background: rgba(255,138,0,0.1);
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

body[data-theme="tva"] #searchInput {
  background: #1E1814;
  border: 1px solid var(--color-text-muted);
  border-radius: 0;
  color: var(--color-accent-gold);
  font-family: 'IBM Plex Mono', monospace;
  caret-color: var(--color-accent-gold);
}

body[data-theme="tva"] #searchInput:focus {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 8px rgba(255,138,0,0.3);
  outline: none;
}

body[data-theme="tva"] .icon-toggle-btn {
  border-radius: 0;
  border: 1px solid var(--color-text-muted);
}

body[data-theme="tva"] .theme-switcher-btn:focus-visible,
body[data-theme="tva"] .icon-toggle-btn:focus-visible {
  outline-color: var(--color-accent-gold);
}

body[data-theme="tva"] .detail-modal {
  background: #1A1410;
  border-left: 2px solid var(--color-accent-gold);
  border-radius: 0;
}

body[data-theme="tva"] #modal-close {
  font-family: 'VT323', monospace;
  font-size: 1.1rem;
  color: var(--color-accent-red);
  border: 1px solid var(--color-accent-red);
  border-radius: 0;
  background: transparent;
}

body[data-theme="tva"] #modal-close:hover {
  background: rgba(217,56,30,0.15);
}

body[data-theme="tva"] .prerequisite-chip {
  border-radius: 0;
  border: 1px solid var(--color-text-muted);
  font-family: 'Share Tech Mono', monospace;
  background: transparent;
  color: var(--color-accent-gold);
}

body[data-theme="tva"] .prerequisite-chip:hover {
  border-color: var(--color-accent-gold);
}

body[data-theme="tva"] .relevance-block,
body[data-theme="tva"] .modal-relevance-block {
  border-left: 3px solid var(--color-accent-red);
  background: rgba(217,56,30,0.06);
  border-radius: 0;
}

body[data-theme="tva"] .header-rule {
  display: none;
}

body[data-theme="tva"] .watched-stamp {
  border: 1px solid rgba(255, 138, 0, 0.4);
  color: rgba(255, 138, 0, 0.7);
  background: rgba(255, 138, 0, 0.1);
}

body[data-theme="tva"] .completion-check + .completion-label {
  border-radius: 0;
}

body[data-theme="tva"] .completion-check:checked + .completion-label::after {
  color: var(--color-accent-gold);
}