/* ───────────────────────────────────────
   oldromsite Admin Panel — Modern & Clean
   ─────────────────────────────────────── */
:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --primary: #8B31D6;      /* grape — identidade oldrom */
  --primary-hover: #7A24BE;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --sidebar-bg: #171545;   /* panel */
  --sidebar-text: #cbd5e1;
  --sidebar-active: #C026D3; /* magenta */
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1);
}

* { 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;
}

/* ── Login page ────────────────────────── */
.admin-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e293b, #334155);
}
.login-container { width: 100%; max-width: 400px; padding: 1rem; }
.login-box {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  text-align: center;
}
.login-box h1 { margin-bottom: .25rem; font-size: 1.5rem; color: var(--text); }
.login-subtitle { color: var(--text-muted); margin-bottom: 1.5rem; font-size: .9rem; }
.login-box form { text-align: left; }

/* ── Topbar ─────────────────────────────── */
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: .75rem; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.badge {
  font-size: .7rem;
  text-transform: uppercase;
  padding: .15rem .5rem;
  border-radius: 99px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  letter-spacing: .5px;
}
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.user-info { font-size: .85rem; color: var(--text-muted); }

/* ── Layout ─────────────────────────────── */
.admin-layout { display: flex; min-height: calc(100vh - 56px); }

.admin-sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  padding: 1.5rem 0;
  flex-shrink: 0;
}
.admin-sidebar ul { list-style: none; }
.admin-sidebar a {
  display: block;
  padding: .65rem 1.5rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: .9rem;
  transition: background .15s;
}
.admin-sidebar a:hover,
.admin-sidebar .active a { background: rgba(255,255,255,.08); color: #fff; }
.nav-divider { border-top: 1px solid rgba(255,255,255,.1); margin: .5rem 0; }

.admin-content { flex: 1; padding: 2rem; overflow-x: auto; }

/* ── Content header ─────────────────────── */
.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: .5rem;
}
.content-header h2 { font-size: 1.35rem; }

/* ── Stats ──────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-number { font-size: 2.25rem; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--text-muted); font-size: .85rem; margin-top: .25rem; }
.quick-actions { display: flex; gap: .75rem; margin-top: 1rem; }

/* ── Forms ──────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .875rem; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .9rem;
  font-family: inherit;
  transition: border-color .15s;
  background: var(--surface);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group small { color: var(--text-muted); font-size: .8rem; margin-top: .2rem; display: block; }
.current-cover { margin-bottom: .5rem; }
.cover-preview { max-width: 150px; border-radius: 4px; border: 1px solid var(--border); }
.current-file { margin-bottom: .5rem; font-size: .85rem; color: var(--text-muted); }
.form-actions { display: flex; gap: .75rem; margin-top: 1.5rem; }

.rom-form, .user-form { max-width: 600px; }

/* ── Buttons ────────────────────────────── */
.btn {
  display: inline-block;
  padding: .55rem 1.1rem;
  border-radius: 6px;
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-full { display: block; width: 100%; text-align: center; }

/* ── Data table ─────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.data-table th, .data-table td { padding: .7rem 1rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .875rem; }
.data-table th { background: var(--bg); font-weight: 600; color: var(--text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .3px; }
.data-table tr:last-child td { border-bottom: none; }
.table-cover { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; }
.no-cover { color: var(--text-muted); font-size: .75rem; }
.actions { white-space: nowrap; }
.actions .btn { margin-right: .25rem; }
.role-badge { font-size: .75rem; padding: .15rem .55rem; border-radius: 99px; font-weight: 500; }
.role-admin { background: #ede9fe; color: #7c3aed; }
.role-user { background: #e0f2fe; color: #0284c7; }

/* ── Alerts ─────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: .875rem;
  font-weight: 500;
}
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error { background: #fef2f2; color: #991b1b; }

/* ── Empty state ────────────────────────── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state a { color: var(--primary); }

/* ── Pagination ─────────────────────────── */
.pagination { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; font-size: .85rem; color: var(--text-muted); }