/* ================================================================
   DEVLEKA Admin Panel Styles
   ================================================================ */
:root {
  --admin-sidebar: #0f1421;
  --admin-bg:      #111827;
  --admin-card:    #1f2937;
  --admin-border:  #374151;
  --admin-accent:  #00d4ff;
  --admin-danger:  #ef4444;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --text-white:    #f9fafb;
  --text-gray:     #9ca3af;
  --text-muted:    #6b7280;
  --sidebar-w:     260px;
  --header-h:      64px;
  --transition:    0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--admin-bg);
  color: var(--text-white);
  line-height: 1.6;
}
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; }

/* ── Login Page ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1117 0%, #1a0a2e 100%);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  padding: 48px 40px;
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
}
.login-logo {
  text-align: center;
  margin-bottom: 36px;
}
.login-logo .logo-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 12px;
}
.login-logo h1 { font-size: 1.5rem; margin-bottom: 4px; }
.login-logo p  { font-size: 0.85rem; color: var(--text-gray); }
.login-error {
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #fca5a5;
  margin-bottom: 20px;
}

/* ── Layout ── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
}
.sidebar-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  font-family: monospace;
  flex-shrink: 0;
}
.sidebar-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
}
.sidebar-header span {
  font-size: 0.65rem;
  color: var(--admin-accent);
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}
.nav-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 8px 12px 6px;
  margin-top: 8px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-gray);
  transition: all var(--transition);
  margin-bottom: 2px;
}
.nav-item:hover {
  background: rgba(255,255,255,.06);
  color: var(--text-white);
}
.nav-item.active {
  background: rgba(0,212,255,.1);
  color: var(--admin-accent);
  border: 1px solid rgba(0,212,255,.15);
}
.nav-item .nav-icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
.nav-badge {
  margin-left: auto;
  background: var(--admin-danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--admin-border);
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-header {
  height: var(--header-h);
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-header h1 { font-size: 1.1rem; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
}
.header-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.page-content {
  flex: 1;
  padding: 32px 28px;
  max-width: 1300px;
}

/* ── Stats Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.stat-card-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.stat-card-icon--cyan   { background: rgba(0,212,255,.1);   }
.stat-card-icon--purple { background: rgba(124,58,237,.1);  }
.stat-card-icon--green  { background: rgba(16,185,129,.1);  }
.stat-card-icon--orange { background: rgba(245,158,11,.1);  }
.stat-value  { font-size: 1.8rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-label  { font-size: 0.8rem; color: var(--text-gray); }

/* ── Tables ── */
.table-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
}
.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
}
.table-card-header h2 { font-size: 1rem; font-weight: 600; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  text-align: left;
  padding: 12px 24px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: rgba(0,0,0,.15);
  border-bottom: 1px solid var(--admin-border);
}
.admin-table td {
  padding: 16px 24px;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(55,65,81,.4);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,.02); }

.thumb-small {
  width: 56px; height: 40px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--admin-bg);
}
.thumb-placeholder {
  width: 56px; height: 40px;
  background: var(--admin-bg);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ── Forms ── */
.form-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 32px;
  max-width: 780px;
}
.form-card h2 { font-size: 1.1rem; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--admin-border); }

.form-group     { margin-bottom: 20px; }
.form-label     { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-gray); margin-bottom: 8px; }
.form-control {
  width: 100%;
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-white);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,.1);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-check { display: flex; align-items: center; gap: 10px; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--admin-accent); cursor: pointer; }
.form-check label { font-size: 0.875rem; cursor: pointer; }

.image-preview {
  width: 160px; height: 100px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
  margin-top: 10px;
  display: none;
}
.image-preview.visible { display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  color: #fff;
  border: none;
}
.btn--primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn--outline {
  background: transparent;
  border-color: var(--admin-border);
  color: var(--text-gray);
}
.btn--outline:hover { border-color: var(--admin-accent); color: var(--admin-accent); }
.btn--danger  { background: var(--admin-danger); color: #fff; border-color: transparent; }
.btn--danger:hover { background: #dc2626; transform: translateY(-1px); }
.btn--success { background: var(--admin-success); color: #fff; border-color: transparent; }
.btn--sm      { padding: 7px 14px; font-size: 0.78rem; }
.btn--icon    { padding: 8px; width: 36px; height: 36px; justify-content: center; }

/* ── Alerts ── */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 20px;
}
.alert--success { background: rgba(16,185,129,.1);  border: 1px solid rgba(16,185,129,.25); color: #6ee7b7; }
.alert--error   { background: rgba(239,68,68,.1);   border: 1px solid rgba(239,68,68,.25);  color: #fca5a5; }
.alert--warning { background: rgba(245,158,11,.1);  border: 1px solid rgba(245,158,11,.25); color: #fcd34d; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
}
.badge--active   { background: rgba(16,185,129,.15); color: #6ee7b7; }
.badge--inactive { background: rgba(107,114,128,.15); color: #9ca3af; }
.badge--featured { background: rgba(0,212,255,.15);   color: #67e8f9; }
.badge--unread   { background: rgba(239,68,68,.15);   color: #fca5a5; }

/* ── Confirm dialog ── */
.confirm-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.confirm-overlay.open { display: flex; }
.confirm-box {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,.8);
}
.confirm-box h3    { margin-bottom: 8px; }
.confirm-box p     { font-size: 0.875rem; color: var(--text-gray); margin-bottom: 28px; }
.confirm-actions   { display: flex; gap: 12px; justify-content: center; }

/* ── Pagination ── */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 24px; }
.page-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-gray);
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.page-btn:hover, .page-btn.active {
  border-color: var(--admin-accent);
  color: var(--admin-accent);
  background: rgba(0,212,255,.1);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .admin-header { padding: 0 16px; }
  .page-content { padding: 20px 16px; }
  .table-card-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}