/* Admin Panel Styles */
:root {
  --primary: #008F7A;
  --primary-dark: #007a68;
  --primary-light: #e6f5f2;
  --accent: #00c9a7;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --bg: #f8fafc;
  --bg-card: #fff;
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Login */
.login-wrapper {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-box {
  background: var(--bg-card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 48px 40px;
  width: 100%; max-width: 420px; text-align: center;
}
.login-box .logo {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 22px; font-weight: 800; color: var(--primary);
  margin-bottom: 8px;
}
.login-box .logo-icon {
  width: 40px; height: 40px; background: var(--primary);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  background: url(../images/owl-logo.png) center/cover no-repeat;
}
.login-box h2 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.login-box .subtitle { color: var(--text-secondary); font-size: 14px; margin-bottom: 32px; }
.login-box .form-group { margin-bottom: 20px; text-align: left; }
.login-box label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.login-box input {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 15px; transition: var(--transition);
  background: #fff;
}
.login-box input:focus { outline:none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,143,122,0.1); }
.login-box .btn-primary {
  width: 100%; padding: 14px; background: var(--primary); color: #fff;
  border: none; border-radius: var(--radius); font-size: 16px; font-weight: 600;
  cursor: pointer; transition: var(--transition); margin-top: 8px;
}
.login-box .btn-primary:hover { background: var(--primary-dark); }
.login-box .error-msg {
  color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 20px;
}

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

/* Sidebar */
.sidebar {
  width: 260px; background: var(--bg-card); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; top:0; left:0; bottom:0; z-index:100;
}
.sidebar-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-header .logo-icon {
  width: 36px; height: 36px; background: var(--primary);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff;
  background: url(../images/owl-logo.png) center/cover no-repeat;
}
.sidebar-header span { font-size: 17px; font-weight: 800; }
.sidebar-header .version { font-size: 12px; color: var(--text-light); font-weight: 400; margin-left:auto; }

.sidebar-nav { flex:1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav .nav-section { margin-bottom: 8px; }
.sidebar-nav .nav-section-title {
  padding: 8px 16px; font-size: 11px; font-weight: 700; color: var(--text-light);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.sidebar-nav .nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 8px; cursor: pointer;
  font-size: 14px; color: var(--text-secondary); transition: var(--transition);
  margin-bottom: 2px;
}
.sidebar-nav .nav-item:hover { background: var(--border-light); color: var(--text); }
.sidebar-nav .nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.sidebar-nav .nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 24px; border-top: 1px solid var(--border-light);
  font-size: 12px; color: var(--text-light);
}
.sidebar-footer .user-info {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.sidebar-footer .user-avatar {
  width: 32px; height: 32px; background: var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; font-weight: 700;
}
.sidebar-footer .user-name { font-size: 14px; font-weight: 600; color: var(--text); }
.sidebar-footer .user-role { font-size: 12px; color: var(--text-light); }
.sidebar-footer .logout-btn {
  width: 100%; padding: 8px; background: var(--border-light); border: none;
  border-radius: 6px; font-size: 13px; color: var(--text-secondary); cursor: pointer;
  transition: var(--transition);
}
.sidebar-footer .logout-btn:hover { background: var(--danger); color: #fff; }

/* Main Content */
.main-content {
  flex:1; margin-left: 260px; padding: 32px 40px;
  max-width: calc(100% - 260px);
}
.main-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px;
}
.main-header h1 { font-size: 24px; font-weight: 800; }
.main-header .header-actions { display: flex; gap: 12px; }

/* Buttons */
.btn {
  padding: 10px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition); border: none; display: inline-flex;
  align-items: center; gap: 6px; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--border-light); color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* Cards */
.card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); border: 1px solid var(--border-light);
  margin-bottom: 24px; overflow: hidden;
}
.card-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 16px; font-weight: 700; }
.card-header .card-desc { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.card-body { padding: 24px; }

/* Form Elements */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}
.form-group .help-text { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; transition: var(--transition);
  background: #fff; font-family: inherit;
}
.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(0,143,122,0.08);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--primary);
}
.form-group.checkbox { display: flex; align-items: center; gap: 8px; }
.form-group.checkbox label { margin-bottom: 0; }

/* Dynamic List (for nav items, features, etc.) */
.dynamic-list { display: flex; flex-direction: column; gap: 12px; }
.dynamic-item {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; position: relative;
}
.dynamic-item .item-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
.dynamic-item .item-title { font-size: 14px; font-weight: 600; }
.dynamic-item .item-actions { display: flex; gap: 6px; }
.dynamic-item .item-actions button {
  padding: 4px 10px; border: none; border-radius: 6px;
  font-size: 12px; cursor: pointer; transition: var(--transition);
}
.dynamic-item .btn-move { background: var(--border-light); color: var(--text-secondary); }
.dynamic-item .btn-move:hover { background: var(--border); }
.dynamic-item .btn-delete { background: #fee2e2; color: var(--danger); }
.dynamic-item .btn-delete:hover { background: var(--danger); color: #fff; }
.dynamic-item .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dynamic-item .form-row.single { grid-template-columns: 1fr; }

.btn-add-item {
  padding: 10px; border: 2px dashed var(--border); border-radius: var(--radius);
  background: transparent; color: var(--text-secondary); font-size: 14px;
  cursor: pointer; transition: var(--transition); width: 100%;
}
.btn-add-item:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* Preview Section */
.preview-section { margin-top: 32px; }
.preview-section h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.preview-frame {
  width: 100%; height: 400px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); background: var(--bg);
}

/* Toast */
.toast-container {
  position: fixed; top: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 14px 20px; border-radius: var(--radius); color: #fff;
  font-size: 14px; font-weight: 500; box-shadow: var(--shadow-md);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  display: flex; align-items: center; gap: 10px; min-width: 280px;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--primary); }
@keyframes toastIn {
  from { opacity:0; transform: translateX(40px); }
  to { opacity:1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity:1; transform: translateX(0); }
  to { opacity:0; transform: translateX(40px); }
}

/* Status Badge */
.status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.status-badge.saved { background: #d1fae5; color: #065f46; }
.status-badge.unsaved { background: #fef3c7; color: #92400e; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 100%; position: relative; }
  .main-content { margin-left: 0; max-width: 100%; padding: 20px; }
  .admin-layout { flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Hidden */
.hidden { display: none !important; }

/* Loading */
.loading-overlay {
  position: fixed; top:0; left:0; right:0; bottom:0;
  background: rgba(255,255,255,0.8); display: flex;
  align-items: center; justify-content: center; z-index: 9998;
}
.spinner {
  width: 40px; height: 40px; border: 3px solid var(--border-light);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }