:root {
  color-scheme: dark;
  --bg: #05060c;
  --panel: rgba(16, 20, 34, .86);
  --text: #fff8ec;
  --muted: #aeb7c9;
  --gold: #f6c65b;
  --blue: #22d3ff;
  --line: rgba(255, 255, 255, .13);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 10% 0%, rgba(34, 211, 255, .14), transparent 28rem), radial-gradient(circle at 92% 8%, rgba(246, 198, 91, .14), transparent 24rem), var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
}

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

.admin-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(5, 6, 12, .72);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand, .admin-header nav {
  align-items: center;
  display: flex;
  gap: .8rem;
}

.brand span {
  background: linear-gradient(135deg, var(--gold), var(--blue));
  border-radius: 12px;
  color: #05060c;
  display: grid;
  font-weight: 900;
  height: 40px;
  place-items: center;
  width: 40px;
}

.admin-header nav a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 800;
  padding: .65rem .85rem;
}

main {
  margin: 0 auto;
  max-width: 1240px;
  padding: clamp(1rem, 4vw, 3rem);
}

.admin-hero {
  align-items: end;
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 3rem 0;
}

.eyebrow {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5.8rem);
  letter-spacing: -.06em;
  line-height: .86;
  margin: .6rem 0 1rem;
}

.admin-hero p, .admin-card p, .admin-actions p {
  color: var(--muted);
  line-height: 1.6;
}

.hero-metrics {
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(3, 1fr);
}

.hero-metrics article, .admin-card, .admin-actions {
  background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .28);
}

.hero-metrics article {
  min-width: 130px;
  padding: 1rem;
}

.hero-metrics strong {
  display: block;
  font-size: 2.5rem;
}

.hero-metrics span { color: var(--muted); }

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

.admin-card {
  padding: 1rem;
}

.admin-card.wide {
  grid-column: span 2;
}

.card-heading {
  align-items: center;
  display: flex;
  gap: .8rem;
  margin-bottom: 1rem;
}

.card-heading span {
  border: 1px solid rgba(246, 198, 91, .35);
  border-radius: 999px;
  color: var(--gold);
  font-weight: 900;
  padding: .45rem .6rem;
}

.card-heading h2 {
  margin: 0;
}

form {
  display: grid;
  gap: .7rem;
}

input, select {
  background: rgba(0, 0, 0, .3);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: white;
  outline: 0;
  padding: .9rem;
  width: 100%;
}

input[type="file"] {
  background: rgba(34, 211, 255, .08);
  border-style: dashed;
  color: var(--muted);
}

input[type="file"]::file-selector-button {
  background: rgba(246, 198, 91, .16);
  border: 1px solid rgba(246, 198, 91, .28);
  border-radius: 999px;
  color: var(--gold);
  cursor: pointer;
  font-weight: 900;
  margin-right: .8rem;
  padding: .55rem .75rem;
}

button {
  background: linear-gradient(135deg, #f8d776, #bf842a);
  border: 0;
  border-radius: 999px;
  color: #080707;
  cursor: pointer;
  font-weight: 900;
  padding: .9rem 1rem;
}

.download-link {
  background: rgba(34, 211, 255, .12);
  border: 1px solid rgba(34, 211, 255, .3);
  border-radius: 999px;
  color: #dff8ff;
  font-weight: 900;
  padding: .85rem 1rem;
}

.list {
  display: grid;
  gap: .6rem;
  margin-top: 1rem;
}

.list-item {
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  display: grid;
  gap: .45rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: .8rem;
}

.item-thumb {
  aspect-ratio: 3 / 4;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  height: 78px;
  object-fit: cover;
  width: 58px;
}

.upload-preview {
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(34, 211, 255, .28);
  border-radius: 16px;
  max-height: 220px;
  object-fit: cover;
  width: 100%;
}

.list-item strong {
  display: block;
}

.list-item small {
  color: var(--muted);
}

.list-item button {
  background: rgba(255,255,255,.1);
  border: 1px solid var(--line);
  color: white;
  padding: .55rem .75rem;
}

.admin-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1rem;
  padding: 1rem;
}

@media (max-width: 820px) {
  .admin-hero, .admin-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-card.wide {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .admin-header, .admin-header nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}