:root {
  --bg: #0b1020;
  --bg-elevated: rgba(17, 24, 39, 0.9);
  --bg-soft: rgba(15, 23, 42, 0.65);
  --text: #e5eefc;
  --muted: #93a4c3;
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  --primary: #4f8cff;
  --primary-2: #67b7ff;
  --chip: rgba(79, 140, 255, 0.16);
  --danger: #ff6b85;
}

[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-elevated: rgba(255, 255, 255, 0.92);
  --bg-soft: rgba(255, 255, 255, 0.76);
  --text: #10203b;
  --muted: #52627b;
  --border: rgba(15, 23, 42, 0.1);
  --shadow: 0 20px 70px rgba(15, 23, 42, 0.08);
  --primary: #2563eb;
  --primary-2: #4f8cff;
  --chip: rgba(37, 99, 235, 0.1);
  --danger: #cc2f4d;
}

[data-theme="blurple"] {
  --bg: #0b1024;
  --bg-elevated: rgba(22, 31, 67, 0.92);
  --bg-soft: rgba(18, 26, 54, 0.7);
  --text: #eef2ff;
  --muted: #a8b5df;
  --border: rgba(129, 140, 248, 0.22);
  --shadow: 0 24px 80px rgba(19, 24, 53, 0.46);
  --primary: #5865f2;
  --primary-2: #8b93ff;
  --chip: rgba(88, 101, 242, 0.16);
  --danger: #ff6982;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(circle at top left, rgba(79, 140, 255, 0.16), transparent 26%),
    radial-gradient(circle at top right, rgba(88, 101, 242, 0.14), transparent 28%),
    linear-gradient(180deg, var(--bg), #070b16 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea {
  font: inherit;
}

.shell {
  min-height: 100vh;
  padding: 24px;
}

.topbar, .card, .hero, .panel {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-radius: 22px;
  position: sticky;
  top: 18px;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  font-weight: 900;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.nav a, .nav button, .chip, .pill, .secondary, .primary, .tab {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
}

.nav a:hover, .nav button:hover, .tab:hover, .secondary:hover {
  transform: translateY(-1px);
  transition: 0.18s ease;
}

.hero {
  margin-top: 22px;
  border-radius: 30px;
  padding: 34px;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -15% -45% auto;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(79, 140, 255, 0.2), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 24px;
  align-items: center;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--primary-2);
  margin-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.02;
}

.lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border: none;
  color: white;
  font-weight: 700;
  padding: 14px 20px;
  min-width: 210px;
  text-align: center;
}

.secondary {
  padding: 14px 20px;
  font-weight: 600;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border-radius: 22px;
  padding: 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.metric strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.section {
  margin-top: 24px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border-radius: 24px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.tag-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-size: 0.9rem;
  padding: 8px 12px;
  color: var(--muted);
}

.page {
  margin-top: 22px;
  border-radius: 30px;
  padding: 26px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.page h2 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

.page p, .helper {
  color: var(--muted);
  line-height: 1.7;
}

.form {
  display: grid;
  gap: 12px;
  max-width: 540px;
  margin-top: 18px;
}

.input, .select, .textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 14px 16px;
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.notice {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(79, 140, 255, 0.08);
}

.footer {
  margin: 22px 0 8px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.locked {
  opacity: 0.75;
}

@media (max-width: 920px) {
  .hero-grid, .grid {
    grid-template-columns: 1fr;
  }
  .topbar {
    gap: 12px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 540px) {
  .shell { padding: 14px; }
  .hero, .page { padding: 18px; border-radius: 24px; }
  .primary, .secondary { width: 100%; }
}