/*
 * PLAYME Dark Theme — Default CSS for Marp presentations
 *
 * This file is referenced by PLAYME.md via inline style block.
 * Edit this to customise colours, fonts, spacing, etc.
 * Then regenerate: marp PLAYME.md -o PLAYME.html --allow-local-files
 */

/* ── Colour palette ── */
:root {
  --color-bg: #0b0d17;
  --color-bg-card: #151827;
  --color-accent: #6c63ff;
  --color-accent2: #00d4aa;
  --color-text: #e8eaf6;
  --color-muted: #8892b0;
}

/* ── Base slide ── */
section {
  background: linear-gradient(135deg, #0b0d17 0%, #151827 50%, #1a1040 100%);
  color: var(--color-text);
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 28px;
  letter-spacing: -0.01em;
  padding: 60px 80px;
}

/* ── Page number styling ── */
section::after {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  font-size: 18px;
}

/* ── Headings ── */
h1 {
  background: linear-gradient(135deg, #ffffff 0%, #c7d2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 2.8em;
  line-height: 1.1;
  margin-bottom: 0.3em;
}

h2 {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  font-size: 2em;
  margin-bottom: 0.6em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h3 {
  color: var(--color-muted);
  font-weight: 300;
  font-size: 1.3em;
  margin-top: 0;
}

/* ── Lists — styled as card rows ── */
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  padding: 14px 24px;
  margin: 10px 0;
  background: rgba(108, 99, 255, 0.08);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 12px 12px 0;
  font-size: 0.95em;
  color: var(--color-text);
}

li strong {
  color: var(--color-accent2);
}

/* ── Emphasis ── */
em {
  color: var(--color-muted);
  font-style: normal;
}

/* ── Blockquotes — callout style ── */
blockquote {
  border-left: 4px solid var(--color-accent2);
  background: rgba(0, 212, 170, 0.06);
  padding: 16px 24px;
  border-radius: 0 12px 12px 0;
  margin: 20px 0;
  color: var(--color-text);
}

/* ── Code blocks ── */
pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 12px;
  padding: 20px;
}

code {
  color: var(--color-accent2);
  font-size: 0.85em;
}

/* ── Tables ── */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
}

th {
  background: rgba(108, 99, 255, 0.15);
  color: var(--color-accent2);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8em;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  text-align: left;
}

td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(108, 99, 255, 0.1);
  color: var(--color-text);
}

/* ── Images — fit within slides ── */
img {
  max-height: 70%;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ══════════════════════════════════
   SPECIAL SLIDE CLASSES
   Use with <!-- _class: classname -->
   ══════════════════════════════════ */

/* ── Title slide ── */
section.title-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: radial-gradient(ellipse at 30% 50%, #1a1060 0%, #0b0d17 60%),
              linear-gradient(135deg, #0b0d17, #151827);
}

section.title-slide::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 70% 30%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 30% 70%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
  z-index: 0;
}

section.title-slide h1 {
  font-size: 3.5em;
  z-index: 1;
}

section.title-slide h3 {
  font-size: 1.4em;
  z-index: 1;
}

section.title-slide p {
  color: var(--color-muted);
  font-size: 0.9em;
  z-index: 1;
}

/* ── End / closing slide ── */
section.end-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: radial-gradient(ellipse at 50% 50%, #1a1060 0%, #0b0d17 70%);
}

section.end-slide h1 {
  font-size: 3em;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

section.end-slide p {
  color: var(--color-muted);
  font-size: 1.1em;
}

/* ── Section divider slide ── */
section.divider {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, #0b0d17 0%, #1a1060 100%);
}

section.divider h2 {
  font-size: 2.5em;
}

/* ── Image showcase slide ── */
section.showcase {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

section.showcase img {
  max-height: 60%;
  margin: 20px 0;
}