:root {
  --bg0: #020617;
  --bg1: #0b1026;
  --fg: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --card: rgba(255, 255, 255, 0.08);
  --card-strong: rgba(255, 255, 255, 0.12);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial;
  background:
    radial-gradient(1100px circle at 8% 12%, rgba(56, 189, 248, 0.38), transparent 58%),
    radial-gradient(1000px circle at 92% 18%, rgba(168, 85, 247, 0.32), transparent 56%),
    radial-gradient(900px circle at 18% 88%, rgba(34, 197, 94, 0.22), transparent 55%),
    radial-gradient(800px circle at 88% 86%, rgba(244, 114, 182, 0.22), transparent 52%),
    radial-gradient(700px circle at 50% 55%, rgba(99, 102, 241, 0.20), transparent 60%),
    conic-gradient(from 210deg at 50% 50%, rgba(14, 165, 233, 0.10), rgba(217, 70, 239, 0.10), rgba(34, 197, 94, 0.08), rgba(245, 158, 11, 0.08), rgba(14, 165, 233, 0.10)),
    linear-gradient(135deg, var(--bg0) 0%, var(--bg1) 45%, var(--bg0) 100%);
}

.app-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.header {
  padding: 42px 18px 18px;
  text-align: center;
}

.title {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: -0.02em;
  font-weight: 850;
  background: linear-gradient(90deg, #a5b4fc, #7dd3fc, #f0abfc, #a7f3d0, #fde68a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 12px auto 0;
  max-width: 900px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.main {
  flex: 1;
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 12px 18px 28px;
  display: grid;
  gap: 18px;
}

.panel {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px var(--shadow);
  overflow: hidden;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.tab {
  appearance: none;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 650;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.tab:hover {
  background: rgba(255, 255, 255, 0.10);
}

.tab.is-active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.55), rgba(217, 70, 239, 0.32));
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.96);
}

.tab-panels {
  padding: 16px;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  background: var(--card-strong);
}

.card-title {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.btn-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .btn-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .btn-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(2, 6, 23, 0.35);
  color: rgba(255, 255, 255, 0.92);
  padding: 10px 10px;
  border-radius: 12px;
  font-weight: 650;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.10);
  transform: translateY(-1px);
}

.btn.is-active {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(99, 102, 241, 0.35), rgba(217, 70, 239, 0.28));
  border-color: rgba(255, 255, 255, 0.22);
}

.details {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px var(--shadow);
  padding: 18px 16px;
}

.details.is-empty {
  display: none;
}

.details-title {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.details-text {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}

.list-title {
  margin: 14px 0 8px;
  font-weight: 750;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.82);
}

.list li {
  margin: 6px 0;
}

.footer {
  padding: 18px;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}