/* Kiseki deck / demo capture assets — 1280×720 slide frame */
:root {
  --bg: #07070f;
  --panel: #12121c;
  --border: rgba(167, 139, 250, 0.25);
  --pink: #f472b6;
  --violet: #a78bfa;
  --cyan: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --muted: #9ca3af;
  --text: #f3f4f6;
  --font: "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.slide {
  width: 1280px;
  height: 720px;
  margin: 24px auto;
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(244, 114, 182, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 10%, rgba(34, 211, 238, 0.1), transparent 50%),
    linear-gradient(165deg, #0c0c16 0%, var(--bg) 100%);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--pink), var(--violet), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub {
  margin-top: 12px;
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.5;
}

.logo-mark {
  position: absolute;
  top: 40px;
  right: 56px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.logo-mark span {
  color: var(--violet);
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.35);
  }
  50% {
    box-shadow: 0 0 24px 6px rgba(34, 211, 238, 0.2);
  }
}

@keyframes float-y {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes flow-dash {
  to {
    stroke-dashoffset: -40;
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@keyframes tab-cycle {
  0%,
  30% {
    background: rgba(167, 139, 250, 0.25);
    color: var(--text);
  }
  33%,
  100% {
    background: transparent;
    color: var(--muted);
  }
}

.card {
  background: rgba(18, 18, 28, 0.85);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: blink 1.6s ease-in-out infinite;
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
}