/**
 * Wholesale Commission Portal - Premium Design System
 * Modern Typography, Sleek Dark-Mode Aesthetics, Glassmorphism, Micro-animations
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-base: #0b0f19;
    --bg-surface: rgba(20, 27, 45, 0.75);
    --bg-surface-opaque: #141b2d;
    --bg-surface-hover: rgba(30, 41, 67, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.3);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --primary-gradient-hover: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --accent-glow: rgba(139, 92, 246, 0.25);
    
    --success-color: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning-color: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger-color: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info-color: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);
    
    --sidebar-width: 280px;
    --header-height: 72px;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    --glass-blur: backdrop-filter: blur(16px);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-surface-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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

/* Premium Glassmorphism Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    transition: all 0.3s ease;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(11, 15, 25, 0.4);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: #fff;
    text-decoration: none;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.sidebar-menu {
    list-style: none;
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
    flex: 1;
}

.menu-category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 12px 12px 4px 12px;
    font-weight: 600;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 10px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.menu-item a i {
    font-size: 1.1rem;
    width: 22px;
    transition: transform 0.25s ease;
}

.menu-item a:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
    transform: translateX(4px);
}

.menu-item a:hover i {
    transform: scale(1.15);
    color: #8b5cf6;
}

.menu-item.active a {
    color: #fff;
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.menu-item.active a i {
    color: #fff;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    background: rgba(11, 15, 25, 0.3);
}

.user-switch-card {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
}

.user-switch-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-switch-select {
    width: 100%;
    background: var(--bg-surface-opaque);
    color: var(--text-primary);
    border: 1px solid var(--border-highlight);
    border-radius: 6px;
    padding: 6px 8px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

/* Main Content Area */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0; /* Ensures inner flex layouts can truncate correctly */
}

/* Gorgeous Header */
.app-header {
    height: var(--header-height);
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    background: var(--bg-surface-hover);
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow);
}

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

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role-badge {
    font-size: 0.65rem;
    color: #a78bfa;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

/* Content Container */
.content-wrapper {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Stat Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
    box-shadow: 0 15px 30px -5px rgba(0,0,0,0.6);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.metric-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #60a5fa;
}

.metric-card:nth-child(2) .metric-icon { color: #34d399; }
.metric-card:nth-child(3) .metric-icon { color: #a78bfa; }
.metric-card:nth-child(4) .metric-icon { color: #fbbf24; }

.metric-value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.metric-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-sub.positive { color: var(--success-color); }
.metric-sub.negative { color: var(--danger-color); }

/* Glassmorphism Surface Panels */
.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    position: relative;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.panel-body {
    padding: 24px;
}

/* Rich Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.app-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
}

.app-table th {
    padding: 14px 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
    background: rgba(0,0,0,0.15);
    border-bottom: 1px solid var(--border-color);
}

.app-table td {
    padding: 16px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    vertical-align: middle;
}

.app-table tbody tr {
    transition: background-color 0.2s ease;
}

.app-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.app-table tbody tr:last-child td {
    border-bottom: none;
}

.cell-highlight {
    color: var(--text-primary);
    font-weight: 600;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.status-success {
    background: var(--success-bg);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-warning {
    background: var(--warning-bg);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-danger {
    background: var(--danger-bg);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-info {
    background: var(--info-bg);
    color: var(--info-color);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--primary-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(139, 92, 246, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-highlight);
    transform: translateY(-2px);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: var(--danger-color);
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
    border-radius: 8px;
}

/* Beautiful Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    background: var(--bg-surface-opaque);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    width: 100%;
}

.form-control:focus {
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
    outline: none;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-surface-opaque);
    border: 1px solid var(--border-highlight);
    border-radius: 20px;
    width: 100%;
    max-width: 650px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
    transform: scale(0.95);
    transition: all 0.3s ease;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

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

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 12px;
    background: var(--bg-surface-opaque);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    max-width: 400px;
}

.toast.success { border-left: 4px solid var(--success-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Integration/Data Connectivity specific views */
.integration-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: rgba(255,255,255,0.01);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
}

.integration-card:hover {
    background: rgba(255,255,255,0.03);
    border-color: var(--border-highlight);
}

.integration-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.integration-logo {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 1px solid var(--border-color);
}

/* Print statements clean-up */
@media print {
    .app-sidebar, .app-header, .panel-actions, .btn, .modal-overlay, .toast-container {
        display: none !important;
    }
    .app-main { margin-left: 0 !important; }
    body { background: #fff !important; color: #000 !important; }
    .glass-panel { border: none !important; box-shadow: none !important; background: none !important; }
    .app-table th, .app-table td { border-color: #ccc !important; color: #000 !important; }
}