/* admin/admin.css - Premium Dashboard Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --admin-primary: #1a5fa8;
  --admin-primary-hover: #12457a;
  --admin-bg: #f1f5f9;
  --admin-surface: #ffffff;
  --admin-text: #334155;
  --admin-text-muted: #64748b;
  --admin-border: #e2e8f0;
  
  --sidebar-bg: #0f172a;
  --sidebar-text: #e2e8f0;
  --sidebar-hover: #1e293b;
  
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: 4px 0 15px rgba(0,0,0,0.1);
}
.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}
.sidebar-nav {
  padding: 24px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s;
}
.sidebar-nav a:hover {
  background: var(--sidebar-hover);
  color: #fff;
}
.sidebar-nav a.active {
  background: var(--admin-primary);
  color: #fff;
}
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.sidebar-footer a {
  display: block;
  text-align: center;
  padding: 12px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: background 0.2s;
}
.sidebar-footer a:hover { background: rgba(255,255,255,0.05); color: #fff; }

/* Main Content */
.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  width: calc(100% - 260px);
}
.admin-topbar {
  background: var(--admin-surface);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--admin-border);
  position: sticky;
  top: 0;
  z-index: 90;
}
.admin-user { font-weight: 600; color: #0f172a; }
.admin-content {
  padding: 32px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Cards & Elements */
.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.admin-card-header {
  font-size: 1.15rem;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 16px;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: #1e293b;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--admin-text);
  transition: all 0.2s;
  background: #fff;
}
.form-control:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(26,95,168,0.15);
}
textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.5; }

/* Upload Area */
.upload-area {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.img-preview {
  width: 200px;
  height: 120px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--admin-border);
  background: #e2e8f0;
  flex-shrink: 0;
}
.upload-input-wrap {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--admin-primary); color: #fff; }
.btn-primary:hover { background: var(--admin-primary-hover); transform: translateY(-1px); }
.btn-danger { background: #ef4444; color: #fff; }
.btn-danger:hover { background: #dc2626; transform: translateY(-1px); }
.btn-success { background: #10b981; color: #fff; }
.btn-success:hover { background: #059669; transform: translateY(-1px); }

/* Login Page (Glassmorphism) */
.login-body {
  background: url('https://images.unsplash.com/photo-1576765608535-5f04d1e3f289?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
}
.login-overlay {
  position: absolute; inset: 0;
  background: rgba(15, 23, 42, 0.75);
}
.login-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 48px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 10;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  color: #fff;
}
.login-box h2 { text-align: center; margin-bottom: 8px; font-size: 1.8rem; font-weight: 700; }
.login-box p { text-align: center; color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.login-box label { color: rgba(255,255,255,0.9); font-weight: 500; margin-bottom: 6px; display: block; }
.login-box .form-control {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 14px 16px;
}
.login-box .form-control::placeholder { color: rgba(255,255,255,0.4); }
.login-box .form-control:focus { border-color: #fff; background: rgba(0,0,0,0.3); }
.login-box .btn-primary { width: 100%; padding: 14px; font-size: 1.05rem; margin-top: 16px; }

/* Alerts */
.alert { padding: 16px; border-radius: 8px; font-weight: 500; margin-bottom: 24px; }
.alert-success { background: #dcfce7; color: #166534; border-left: 4px solid #10b981; }
.alert-error { background: #fee2e2; color: #991b1b; border-left: 4px solid #ef4444; }

/* Grid Helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 24px; }
.stat-item {
  background: var(--admin-surface); padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--admin-border); text-align: center; box-shadow: var(--shadow);
}
.stat-item .num { font-size: 2.2rem; font-weight: 800; color: var(--admin-primary); line-height: 1; margin-bottom: 8px; }
.stat-item .label { font-size: 0.85rem; color: var(--admin-text-muted); font-weight: 600; text-transform: uppercase; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { background: #f8fafc; padding: 16px; text-align: left; font-size: 0.85rem; font-weight: 600; color: #64748b; border-bottom: 1px solid var(--admin-border); }
.data-table td { padding: 16px; border-bottom: 1px solid var(--admin-border); font-size: 0.95rem; }
.data-table tr:last-child td { border-bottom: none; }
.badge-new { background: #dcfce7; color: #166534; padding: 4px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; margin-top: 4px; display: inline-block; }

/* Floating Save */
.floating-save {
  position: sticky; bottom: 20px; text-align: right; margin-top: 40px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  padding: 16px 24px; border-radius: 12px; border: 1px solid var(--admin-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1); z-index: 50;
}