/* ============================================================
   WA BUTTON MARKETING PRO - ADMIN STYLESHEET
   Design: Modern, Premium, Dark & Light Mode, High Contrast
   ============================================================ */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    /* Light Theme (Default fallback) */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: #1e293b;
    --border-color: #e2e8f0;
    --border-card: #e2e8f0;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --primary: #10b981;
    --primary-hover: #059669;
    --primary-light: rgba(16, 185, 129, 0.12);
    
    --accent-blue: #3b82f6;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --bg-main: #0b0f19;
    --bg-card: #131b2e;
    --bg-card-hover: #1e293b;
    --bg-sidebar: #090d16;
    --bg-sidebar-hover: #161f36;
    --border-color: #1e293b;
    --border-card: rgba(255, 255, 255, 0.07);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    
    --primary: #22c55e;
    --primary-hover: #16a34a;
    --primary-light: rgba(34, 197, 94, 0.15);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.5);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    padding: 12px 10px 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: var(--bg-sidebar-hover);
    color: #ffffff;
}

.nav-link.active {
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 600;
}

.nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #64748b;
}

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

/* Header */
.top-header {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.2;
}

.user-role {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Page Body */
.page-content {
    flex: 1;
    padding: 28px;
}

/* Stat Cards Grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 26px;
    height: 26px;
}

.stat-icon.green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.stat-icon.blue { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.stat-icon.purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.stat-icon.amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-top: 4px;
}

.stat-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Cards & Panels */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 24px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.data-table th {
    background-color: var(--bg-main);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tr:hover td {
    background-color: var(--bg-card-hover);
}

/* Badges & Status Pills */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.badge-info { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.badge-neutral { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

/* Buttons & Inputs */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline-danger {
    background-color: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-outline-danger:hover {
    background-color: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Alert Boxes */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success { background: rgba(16, 185, 129, 0.12); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.alert-danger { background: rgba(239, 68, 68, 0.12); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-wrapper {
        margin-left: 0;
    }
    .mobile-toggle {
        display: block;
    }
}