:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary: #36a60d; /* Premium Gold theme for logo projectors */
    --primary-hover: #b8962c;
    --primary-rgb: 212, 175, 55;
    --success: #10b981;
    --danger: #ef4444;
    --info: #0ea5e9;
    --warning: #f59e0b;
    --glass-blur: blur(12px);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2.5rem;
    text-decoration: none;
    letter-spacing: 1px;
}

.sidebar-logo img {
    height: 35px;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.sidebar-link:hover, .sidebar-link.active {
    color: var(--text-primary);
    background: rgba(212, 175, 55, 0.15);
    border-left: 3px solid var(--primary);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 1rem;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2.5rem;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(212,175,55,0.05), transparent 400px), var(--bg-primary);
}

/* Cards & Glassmorphism */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.75rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(212, 175, 55, 0.25);
    transform: translateY(-2px);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 8px;
}

/* Metric Cards Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.metric-card.success::before { background: var(--success); }
.metric-card.danger::before { background: var(--danger); }
.metric-card.info::before { background: var(--info); }
.metric-card.warning::before { background: var(--warning); }

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    text-align: left;
}

.table th {
    padding: 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
}

.table td {
    padding: 1rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tr:hover td {
    background: rgba(255,255,255,0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-confirmed { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-shipped { background: rgba(14, 165, 233, 0.15); color: var(--info); }
.badge-delivered { background: rgba(16, 185, 129, 0.3); color: #22c55e; }
.badge-cancelled { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Dialer screen (Call Mode) */
.dialer-container {
    max-width: 600px;
    margin: 2rem auto;
}

.dialer-phone {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--primary);
    text-align: center;
    margin: 1.5rem 0;
}

.dialer-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Login screen custom */
.login-body {
    background: radial-gradient(circle at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    justify-content: center;
    align-items: center;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-tab-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
    background: rgba(0,0,0,0.2);
    padding: 5px;
    border-radius: 8px;
}

.login-tab {
    flex: 1;
    text-align: center;
    padding: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
}

.login-tab.active {
    background: var(--bg-secondary);
    color: var(--primary);
    font-weight: 600;
}

/* Product Catalog Grid */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-image {
    height: 180px;
    background: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-placeholder {
    font-size: 2.5rem;
    color: var(--text-secondary);
}

.product-details {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-code {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0.25rem 0 0.75rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-stock {
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
}

/* File lists for training */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--border-radius);
}

/* Header bar */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
}