* {
  box-sizing: border-box;
}

:root {
  --bg: #0f172a;
  --card: #111827;
  --panel: #0b1224;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22d3ee;
  --accent-2: #f59e0b;
  --danger: #ef4444;
  --success: #10b981;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.08), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(245, 158, 11, 0.08), transparent 25%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 56px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  align-items: center;
  margin-top: 32px;
}

.hero__copy h1 {
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.15;
  margin: 12px 0 16px;
}

.hero__copy .lede {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 12px;
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.hero__qr {
  display: flex;
  justify-content: center;
}

.qr-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  width: min(420px, 100%);
}

.qr-card__label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}

.qr-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: white;
  padding: 12px;
}

.qr-card__footer {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  word-break: break-all;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.pill--wide {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 15px;
  margin-bottom: 10px;
}

.pill strong {
  color: var(--text);
  font-weight: 600;
  word-break: break-all;
}

.pill__dot {
  width: 10px;
  height: 10px;
  background: var(--accent-2);
  border-radius: 50%;
}

.pill__dot--green {
  background: var(--success);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  color: inherit;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1224;
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.25);
}

.btn-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.btn-text {
  color: var(--muted);
  padding: 10px 12px;
}

.page--admin {
  max-width: 960px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-right: 10px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.admin {
  display: grid;
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 6px;
}

.form {
  display: grid;
  gap: 12px;
  max-width: 540px;
  margin-top: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 14px;
}

input[type="password"],
input[type="url"],
input[type="text"] {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

input:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.alert {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 12px;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #fecdd3;
}

.alert-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #bbf7d0;
}

.form__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .actions {
    width: 100%;
  }

  .pill--wide {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}