/* ImageFreeToAPI — Admin UI Styles */

:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --danger: #ef4444;
  --danger-hover: #f87171;
  --warning: #f59e0b;
  --success: #22c55e;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand { font-size: 1.15rem; font-weight: 700; }
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  font-size: 0.9rem;
}
.nav-links a:hover { color: var(--text); background: var(--border); }
.nav-info { margin-left: auto; font-size: 0.8rem; color: var(--text-muted); }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.card h3 { margin-bottom: 1rem; font-size: 1.1rem; }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--primary-hover); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { border-color: var(--text-muted); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #000; }
.btn-secondary { }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

/* Forms */
input, select, textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-size: 0.85rem; color: var(--text-muted); }
textarea { min-height: 120px; resize: vertical; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
tr:hover { background: rgba(255,255,255,0.03); }

/* Badges */
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 10px; font-size: 0.75rem; font-weight: 600; }
.badge-green { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* Tabs */
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.tab-btn { padding: 0.4rem 0.9rem; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: var(--text-muted); cursor: pointer; font-size: 0.85rem; }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tab-content { margin-top: 0.5rem; }

/* Login */
.login-box { max-width: 400px; margin: 4rem auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.login-box h1 { text-align: center; margin-bottom: 1.5rem; }

/* Code */
code, pre { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 0.25rem 0.5rem; font-size: 0.85rem; overflow-x: auto; }
pre { padding: 0.75rem; margin: 0.5rem 0; white-space: pre-wrap; word-break: break-all; }

/* Images */
img { max-width: 100%; height: auto; }

/* Responsive */
@media (max-width: 768px) {
  .navbar { flex-direction: column; align-items: flex-start; }
  .nav-info { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}