:root {
  --bg: #0b1220;
  --card: #121c2e;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eef7;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent2: #2563eb;
  --ok: #22c55e;
  --err: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Cairo', sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(59, 130, 246, 0.15), transparent), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.admin-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.admin-header {
  margin-bottom: 1.5rem;
}

.admin-header h1 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.6rem;
}

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

.admin-back {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.admin-back:hover { color: var(--text); }

.admin-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1.25rem 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.admin-card h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin: 0 0 1rem;
}

legend {
  padding: 0 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

label {
  display: block;
  margin: 0.75rem 0 0.35rem;
  font-size: 0.9rem;
}

input, textarea, select {
  width: 100%;
  background: #0a101a;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(59, 130, 246, 0.35);
  border-color: var(--accent);
}

.hint, code {
  color: var(--muted);
  font-size: 0.85rem;
}

code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  margin-top: 0.5rem;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-lg {
  width: 100%;
  justify-content: center;
  padding: 0.85rem;
  margin-top: 0.5rem;
}

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

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.preview-grid img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.msg {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
}

.msg.ok {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.msg.error {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.hidden { display: none !important; }

@media (max-width: 600px) {
  .admin-header h1 { font-size: 1.35rem; }
}