/* Constructivism PhD Defense theme.
 * Russian Constructivist / Bauhaus aesthetic — bold geometry, diagonal compositions,
 * red/black/cream palette, angular typography, structural clarity.
 * LIGHT theme: cream background (#f5f0e8), dark text (#1a1a1a).
 */
:root {
  --cv-cream: #f5f0e8;
  --cv-red: #c1272d;
  --cv-black: #1a1a1a;
  --cv-blue: #3a5a7c;
  --cv-dark-cream: #d4c9b0;
  --cv-muted: rgba(26, 26, 26, 0.55);
}

.slide {
  font-family: 'Arial Black', 'Helvetica Neue', Arial, sans-serif;
  background: #f5f0e8;
  color: #1a1a1a;
}

.slide::before,
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Bold diagonal red stripe — Constructivist hallmark */
.slide::before {
  background: linear-gradient(
    15deg,
    transparent 0%,
    transparent 38%,
    rgba(193, 39, 45, 0.13) 38%,
    rgba(193, 39, 45, 0.13) 42%,
    transparent 42%,
    transparent 100%
  );
  z-index: 0;
}

/* Geometric circle pattern overlay — repeating dots at low opacity */
.slide::after {
  background-image:
    radial-gradient(circle, rgba(26, 26, 26, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
  z-index: 0;
}

/* ─── Template-generic selectors ─────────────────────────────────────────
 * Name DSL element IDs with these substrings to activate CSS polish.
 * ──────────────────────────────────────────────────────────────────────── */

/* Glass cards: cream card with heavy black border — sharp, architectural, NO blur */
[data-maliang-deck-id*="-glass"] {
  background-color: rgba(245, 240, 232, 0.96) !important;
  border: 3px solid #1a1a1a;
  box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.25);
  border-radius: 0 !important;
}

/* Kicker labels: red background, cream text, uppercase letter-spacing */
[data-maliang-deck-id*="-kicker"] {
  background: #c1272d !important;
  color: #f5f0e8 !important;
  padding: 6px 16px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 900;
}

/* Titles: red underline, no text-shadow (light theme) */
[data-maliang-deck-id$="-title"] {
  border-bottom: 4px solid #c1272d;
  display: inline;
  text-shadow: none !important;
}

/* Accent elements: red fill */
[data-maliang-deck-id*="-accent"] {
  fill: #c1272d !important;
  background: #c1272d !important;
  color: #c1272d !important;
}

/* Badge elements: red circle with cream text */
[data-maliang-deck-id*="-badge"] {
  background: #c1272d !important;
  color: #f5f0e8 !important;
  border-radius: 999px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0 rgba(26, 26, 26, 0.3);
}

/* Connector lines: sharp, no glow */
[data-maliang-deck-id*="-connector"] {
  background: #1a1a1a !important;
  opacity: 0.4;
}

/* Phase boxes / structural blocks */
[data-maliang-deck-id*="-phase"] {
  border: 3px solid #1a1a1a;
  background: rgba(245, 240, 232, 0.9) !important;
  box-shadow: 4px 4px 0 rgba(26, 26, 26, 0.2);
}

/* Chart theme — constructivist palette */
[data-maliang-deck-id*="chart"] {
  --chart-palette-1: var(--cv-red);
  --chart-palette-2: var(--cv-black);
  --chart-palette-3: var(--cv-blue);
  --chart-palette-4: var(--cv-dark-cream);
  --chart-axis: rgba(26, 26, 26, 0.3);
  --chart-grid: rgba(26, 26, 26, 0.12);
  --chart-label: rgba(26, 26, 26, 0.72);
}

/* Table theme — sharp borders */
[data-maliang-deck-id*="table"] table {
  border-radius: 0;
  box-shadow: 4px 4px 0 rgba(26, 26, 26, 0.2);
  border: 2px solid #1a1a1a;
}

/* ─── UI overrides for light theme ──────────────────────────────────────── */
:root {
  --ui-bar-bg: rgba(0, 0, 0, 0.1);
  --ui-bar-fill: #c1272d;
  --ui-text: rgba(26, 26, 26, 0.6);
  --ui-shadow: none;
}

/* ─── Animations ─────────────────────────────────────────────────────────── */

@keyframes geo-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes wipe-reveal {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes cv-pulse-red {
  from { box-shadow: 0 0 0 0 rgba(193, 39, 45, 0.4); }
  to   { box-shadow: 0 0 0 12px rgba(193, 39, 45, 0); }
}