/* Shared deck styling — Agent Memory workshop (theory + practice decks) */
:root {
  --bg: #0b1220;
  --bg-soft: #111a2e;
  --panel: #16203a;
  --panel-border: #223258;
  --fg: #e7ecf7;
  --fg-dim: #9fb0d0;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --good: #34d399;
  --warn: #f59e0b;
  --bad: #f87171;
  --math: #f5b544;
  --code-bg: #0a1020;
  --mono: 'SFMono-Regular', 'JetBrains Mono', 'Fira Code', ui-monospace, Menlo, Consolas, monospace;
  --sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  height: 100%;
  overflow: hidden;
}

body {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.deck {
  position: relative;
  width: 100%;
  height: 100vh;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: 6vh 7vw 8vh 7vw;
  overflow-y: auto;
}

.slide.active { display: flex; }

.slide.center { justify-content: center; }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.slide h1 {
  font-size: clamp(1.8rem, 4.2vw, 3rem);
  line-height: 1.15;
  margin: 0 0 0.6em 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.slide h2 {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  color: var(--accent-2);
  margin: 1.2em 0 0.5em 0;
  font-weight: 600;
}

.slide p, .slide li {
  font-size: clamp(1rem, 1.6vw, 1.28rem);
  line-height: 1.5;
  color: var(--fg);
}

.slide ul, .slide ol { margin: 0.4em 0 0.8em 0; padding-left: 1.3em; }
.slide li { margin-bottom: 0.45em; }
.slide li::marker { color: var(--accent); }

.dim { color: var(--fg-dim); }
.accent { color: var(--accent-2); font-weight: 600; }
.good { color: var(--good); font-weight: 600; }
.warn { color: var(--warn); font-weight: 600; }
.bad { color: var(--bad); font-weight: 600; }

.title-slide { justify-content: center; align-items: flex-start; }
.title-slide h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); }
.title-slide .subtitle { font-size: clamp(1.05rem, 2vw, 1.4rem); color: var(--fg-dim); margin-top: 0.4em; }
.title-slide .meta { margin-top: 2.2em; font-size: 0.95rem; color: var(--fg-dim); }
.title-slide .meta strong { color: var(--fg); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.2rem; align-items: start; margin-top: 0.6em; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.4rem; align-items: start; margin-top: 0.6em; }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1.1rem 1.3rem;
}
.card h3 { margin: 0 0 0.4em 0; font-size: 1.05rem; color: var(--fg); }
.card p, .card li { font-size: 0.98rem; }

.callout {
  border-left: 4px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  margin: 0.8em 0;
}
.callout.math { border-left-color: var(--math); }
.callout.warn { border-left-color: var(--warn); }
.callout.good { border-left-color: var(--good); }

.math-box {
  font-family: var(--mono);
  background: var(--code-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--math);
  font-size: 1.05rem;
  margin: 0.6em 0;
  overflow-x: auto;
}

pre.code {
  font-family: var(--mono);
  background: var(--code-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-size: clamp(0.72rem, 1.15vw, 0.95rem);
  line-height: 1.5;
  margin: 0.6em 0;
}
pre.code .c { color: var(--fg-dim); }
pre.code .k { color: var(--accent-2); }
pre.code .s { color: var(--good); }
pre.code .n { color: var(--warn); }

table.cmp { width: 100%; border-collapse: collapse; margin-top: 0.5em; font-size: clamp(0.82rem, 1.35vw, 1.02rem); }
table.cmp th, table.cmp td { border: 1px solid var(--panel-border); padding: 0.55rem 0.7rem; text-align: left; vertical-align: top; }
table.cmp th { background: var(--panel); color: var(--accent-2); }
table.cmp tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

.timeline { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 0.6em; }
.timeline .step { display: flex; gap: 1rem; align-items: flex-start; }
.timeline .dot { flex: 0 0 auto; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--panel); border: 1px solid var(--accent); color: var(--accent-2); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; }
.timeline .txt strong { color: var(--fg); }

.badge { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.2em 0.6em; border-radius: 999px; margin-right: 0.4em; }
.badge.short { background: rgba(56,189,248,0.15); color: var(--accent-2); border: 1px solid rgba(56,189,248,0.4); }
.badge.long { background: rgba(52,211,153,0.15); color: var(--good); border: 1px solid rgba(52,211,153,0.4); }
.badge.demo { background: rgba(245,158,11,0.15); color: var(--warn); border: 1px solid rgba(245,158,11,0.4); }

.footer-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  font-size: 0.72rem;
  color: var(--fg-dim);
  background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
  z-index: 20;
  pointer-events: none;
}

.progress {
  position: fixed;
  top: env(safe-area-inset-top, 0px);
  left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 30;
  transition: width 0.25s ease;
}

.nav-hint {
  position: fixed;
  right: 1.1rem;
  bottom: 0.35rem;
  font-size: 0.7rem;
  color: var(--fg-dim);
  z-index: 20;
}

.click-zone { position: fixed; top: 0; bottom: 0; width: 14%; z-index: 10; cursor: pointer; }
.click-zone.left { left: 0; }
.click-zone.right { right: 0; }

.small { font-size: 0.85rem; }
.mono { font-family: var(--mono); }
.diagram { margin: 1em 0; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.refs { font-size: 0.78rem; color: var(--fg-dim); line-height: 1.6; }
.refs a { color: var(--fg-dim); }

@media (max-width: 600px) {
  .nav-hint { display: none; }
  .footer-bar span:first-child { max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media print {
  body { overflow: visible; }
  .slide { position: relative; display: flex !important; page-break-after: always; height: 100vh; }
  .footer-bar, .progress, .nav-hint, .click-zone { display: none !important; }
}