:root {
    --bg-app: #f4f6fa;
    --bg-surface: #ffffff;
    --bg-surface-hover: #fafbfc;
    --bg-nav: #ffffff; /* Clean light sidebar */
    
    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #673de6; /* Hostinger Brand Purple */
    --accent-primary-hover: #5632c4;
    --accent-primary-light: #f1ecfc;
    
    --accent-success: #10b981;
    --accent-success-light: #e6fdf5;
    --accent-danger: #ef4444;
    --accent-danger-light: #fef2f2;
    --accent-warning: #f59e0b;
    --accent-warning-light: #fffbeb;
    
    --font-sans: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

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

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Sidebar - Solid White Clean Theme */
.sidebar {
    width: 260px;
    min-height: 100vh;
    background: var(--bg-nav);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.sidebar-brand {
    padding: 24px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand span {
    color: var(--accent-primary);
}

.sidebar-menu {
    list-style: none;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    color: var(--accent-primary);
    background: var(--bg-app);
}

.sidebar-link.active {
    color: var(--accent-primary);
    background: var(--accent-primary-light);
}

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

/* Workspace select inside sidebar */
.workspace-selector-card {
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.workspace-badge {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 700;
}

.workspace-select {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 7px;
    font-size: 0.82rem;
    outline: none;
    width: 100%;
    cursor: pointer;
    font-weight: 600;
}

/* App Container Layout */
.app-container {
    margin-left: 260px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    height: 70px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-title h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

main {
    padding: 32px;
    flex-grow: 1;
}

/* hPanel Premium Cards */
.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
}

/* Card titles */
.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Grid Layouts */
.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-cols-vps {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
}

/* Stat widgets */
.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
}

.stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--accent-primary-light);
    color: var(--accent-primary);
    border: 1px solid rgba(103, 61, 230, 0.15);
}

.stat-icon.blue { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }
.stat-icon.purple { background: var(--accent-primary-light); color: var(--accent-primary); border-color: rgba(103, 61, 230, 0.15); }
.stat-icon.green { background: var(--accent-success-light); color: var(--accent-success); border-color: #d1fae5; }
.stat-icon.orange { background: var(--accent-warning-light); color: var(--accent-warning); border-color: #fef3c7; }

.stat-details h3 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-details p {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.2;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--accent-primary-hover);
    box-shadow: 0 4px 12px rgba(103, 61, 230, 0.2);
}

.btn-secondary {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-color-hover);
    color: var(--text-primary);
}

.btn-success {
    background: var(--accent-success);
    color: #ffffff;
}
.btn-success:hover {
    background: #059669;
}

.btn-danger {
    background: var(--accent-danger);
    color: #ffffff;
}
.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 7px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Premium hPanel Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 700;
    background: #f8fafc;
}

td {
    font-size: 0.88rem;
    color: var(--text-primary);
}

tr:hover td {
    background: var(--bg-surface-hover);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.badge-success {
    background: var(--accent-success-light);
    border-color: #a7f3d0;
    color: #065f46;
}
.badge-danger {
    background: var(--accent-danger-light);
    border-color: #fca5a5;
    color: #9f1239;
}
.badge-secondary {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--text-secondary);
}

/* Form Groups and Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-input {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 11px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    font-family: var(--font-sans);
    transition: all 0.15s ease;
}

.form-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(103, 61, 230, 0.1);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.88rem;
    border: 1px solid transparent;
    font-weight: 500;
}

.alert-success {
    background: var(--accent-success-light);
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-error {
    background: var(--accent-danger-light);
    border-color: #fca5a5;
    color: #9f1239;
}

.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e3a8a;
}

/* Sub-items lists */
.vps-list-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vps-list-item {
    padding: 14px 18px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.15s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.vps-list-item:hover, .vps-list-item.active {
    border-color: var(--accent-primary);
    background: var(--bg-surface-hover);
}

/* Metrics stats loading */
.progress-bar-container {
    background: #e2e8f0;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 6px;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-bar-fill.purple { background: var(--accent-primary); }
.progress-bar-fill.blue { background: #3b82f6; }
.progress-bar-fill.green { background: var(--accent-success); }
.progress-bar-fill.red { background: var(--accent-danger); }

/* Email dashboard columns */
.mail-container {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
}

.mail-folder-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: background-color 0.15s ease;
    font-weight: 600;
}

.mail-folder-link:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.mail-folder-link.active {
    color: #ffffff;
    background: var(--accent-primary);
}

.mail-unread-count {
    background: var(--accent-danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 9999px;
}

/* Info key value grid details */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.info-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 2px;
    font-weight: 600;
}

.info-value {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* DNS records list styling */
.dns-record-badge {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #475569;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Quick Action button grid */
.quick-action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.82rem;
    transition: all 0.15s ease;
}

.quick-action-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-primary-light);
    transform: translateY(-2px);
}

.quick-action-btn span {
    font-size: 1.5rem;
}

/* Responsive screen */
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .app-container { margin-left: 0; }
    header { padding: 0 16px; }
    main { padding: 16px; }
    .grid-cols-4, .grid-cols-3, .grid-cols-2, .grid-cols-vps, .mail-container {
        grid-template-columns: 1fr;
    }
}

/* Skeletons & Preloaders */
@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.skeleton-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.skeleton-card {
    background: #e2e8f0;
    border-radius: 8px;
    height: 120px;
    animation: pulse 1.5s infinite ease-in-out;
}

.skeleton-card.header-skeleton {
    height: 100px;
}

.skeleton-card.tall {
    height: 320px;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.skeleton-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .skeleton-grid-2 {
        grid-template-columns: 1fr;
    }
}