:root {
  --bg-1: #0f172a;
  --bg-2: #0b1220;
  --card: #111827;
  --card-2: #0f1b2d;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --border: #1f2937;
  --glow: rgba(34, 211, 238, 0.25);
  --shadow: rgba(2, 6, 23, 0.6);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(1000px 600px at 20% 10%, #0f2a44, transparent),
    radial-gradient(900px 500px at 90% 20%, #10233a, transparent),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
}

.bg {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.02) 2px,
    transparent 2px,
    transparent 12px
  );
  pointer-events: none;
}

.shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.hero {
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, #0f172a, #0f233b 60%, #0b2536);
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px var(--shadow);
}

.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.35);
}

.hero h1 {
  margin: 10px 0 6px;
  font-size: 28px;
  font-weight: 700;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 18px 0 20px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 30px var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 14px 40px var(--shadow), 0 0 24px var(--glow);
}

.card.is-selected {
  background: linear-gradient(180deg, #0b2b35, #0b2230);
  border-color: rgba(34, 211, 238, 0.8);
  box-shadow: 0 16px 40px var(--shadow), 0 0 30px var(--glow);
}

.card.is-selected .icon {
  background: rgba(34, 211, 238, 0.22);
  color: #a7f3ff;
}

.card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
  font-size: 18px;
  margin-bottom: 10px;
}

.card .title {
  font-weight: 600;
  display: block;
}

.card .meta {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.panel {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.7);
}

.panel-title {
  font-weight: 600;
  margin-bottom: 10px;
}

textarea {
  width: 100%;
  min-height: 90px;
  resize: vertical;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}

textarea:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

button.primary,
button.ghost {
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
}

button.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #041015;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.foot {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}