:root {
    /* Dark Theme (Default - Nebula) */
    --bg-primary: radial-gradient(circle at top right, #0d1233, #050510);
    --bg-deep: #050510;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-grad: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
    --accent-cyan: #00d2ff;
    --accent-blue: #3a7bd5;
    --text-primary: #f8fafc;
    --text-muted: #cbd5e0;
    --sidebar-width: 260px;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --sidebar-bg: rgba(0, 0, 0, 0.3);
    --input-bg: rgba(255, 255, 255, 0.03);
    --table-row-bg: rgba(255, 255, 255, 0.02);
    --stat-grad: linear-gradient(to bottom, #fff, #cbd5e1);
    --placeholder-color: rgba(255, 255, 255, 0.4);
    --auth-bg: url("../images/auth/bg.png");
    --auth-card-bg: rgba(255, 255, 255, 0.03);
    --auth-form-bg: rgba(0, 0, 0, 0.2);
    --auth-illustration-bg: rgba(0, 210, 255, 0.05);
}

[data-theme="light"] {
    /* Light Theme (Frost) */
    --bg-primary: radial-gradient(circle at top right, #f8fafc, #e2e8f0);
    --bg-deep: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-grad: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.7));
    --accent-cyan: #2563eb;
    --accent-blue: #1e40af;
    --text-primary: #0f172a;
    --text-muted: #334155;
    --placeholder-color: rgba(0, 0, 0, 0.4);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --sidebar-bg: #ffffff;
    --input-bg: #ffffff;
    --table-row-bg: #ffffff;
    --stat-grad: linear-gradient(to bottom, #1e293b, #475569);
    --auth-bg: url("../images/auth/bg-light.png");
    --auth-card-bg: rgba(255, 255, 255, 0.6);
    --auth-form-bg: rgba(255, 255, 255, 0.4);
    --auth-illustration-bg: rgba(58, 123, 213, 0.08);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    margin: 0;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Base Auth Layout Classes */
.auth-page-body {
    background: var(--auth-bg) no-repeat center center fixed !important;
    background-size: cover !important;
    transition: background 0.5s ease;
}

.auth-card {
    background: var(--auth-card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.auth-form-container {
    background: var(--auth-form-bg);
    transition: all 0.3s ease;
}

.auth-illustration {
    background: var(--auth-illustration-bg);
    transition: all 0.3s ease;
}

.auth-logo { color: var(--text-primary); }
.auth-link { color: var(--accent-cyan); font-weight: 600; text-decoration: none; transition: all 0.3s ease; }
.auth-link:hover { color: var(--accent-blue); }

.glass-panel {
    background: var(--glass-grad);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* Forms */
.form-control, .form-select {
    background: var(--input-bg) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text-primary) !important;
    border-radius: 12px !important;
    padding: 12px 16px !important;
    transition: all 0.3s ease !important;
}

.form-control::placeholder {
    color: var(--placeholder-color) !important;
}

.form-control:focus, .form-select:focus {
    background: var(--input-bg) !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.1) !important;
    outline: none;
}

/* Input with Icon Support */
.has-icon {
    position: relative !important;
    display: block !important;
    width: 100%;
}

.has-icon i, .has-icon [class^="fa-"], .has-icon [class*=" fa-"] {
    position: absolute !important;
    left: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: var(--text-muted) !important;
    opacity: 0.6;
    pointer-events: none;
    z-index: 5 !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.has-icon .form-control, .has-icon .form-select {
    padding-left: 42px !important;
}

.hover-bg-glass {
    transition: all 0.2s ease;
}

.hover-bg-glass:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    transform: translateX(5px);
}

[data-theme="light"] .hover-bg-glass:hover {
    background: rgba(0, 0, 0, 0.03) !important;
}

/* Premium Breadcrumbs */
.breadcrumb {
    background: transparent !important;
    padding: 0 !important;
    margin-bottom: 0 !important;
}

.breadcrumb-item {
    font-size: 0.85rem;
    font-weight: 500;
}

.breadcrumb-item a {
    color: var(--text-muted) !important;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-cyan) !important;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/" !important;
    color: var(--glass-border) !important;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.breadcrumb-item.active {
    color: var(--text-theme) !important;
    font-weight: 600;
}

/* Global Link Styling */
a {
    color: var(--accent-cyan);
    text-decoration: none !important;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--accent-cyan-hover, #1d4ed8);
    text-decoration: none !important;
    opacity: 0.8;
}

.text-theme-muted {
    color: var(--text-muted) !important;
}

.text-theme {
    color: var(--text-theme) !important;
}

label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

/* Sidebar */
.left-side-menu {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--sidebar-bg);
    backdrop-filter: blur(15px);
    border-right: 1px solid var(--glass-border);
    z-index: 1000;
    transition: background 0.3s ease;
}

.sidebar-content { padding: 30px 20px; }


#sidebar-menu {
    overflow-y: auto;
    overflow-x: hidden;
}

#sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

#sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

#sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

#sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] #sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] #sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

#sidebar-menu li.menu-title {
    color: var(--text-muted);
    opacity: 0.5;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 25px 15px 10px;
}

#sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 4px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#sidebar-menu a:hover, #sidebar-menu li.active > a {
    background: linear-gradient(90deg, rgba(0, 210, 255, 0.1), transparent);
    color: var(--accent-cyan);
}

[data-theme="light"] #sidebar-menu a:hover, [data-theme="light"] #sidebar-menu li.active > a {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.1), transparent);
    color: var(--accent-cyan);
}

#sidebar-menu i { margin-right: 12px; font-size: 16px; width: 20px; text-align: center; }

/* Main Content */
.content-page {
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
}

/* Cards */
.card-glass {
    background: var(--glass-grad);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.card-glass:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    margin: 5px 0;
    background: var(--stat-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Tables */
.table-glass {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

.table-glass td {
    background: var(--table-row-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 18px 20px;
    transition: background 0.3s ease;
}

.table-glass tr td:first-child {
    border-left: 1px solid var(--glass-border);
    border-top-left-radius: 16px;
    border-bottom-left-radius: 16px;
}

.table-glass tr td:last-child {
    border-right: 1px solid var(--glass-border);
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
}

/* Buttons */
.btn-premium {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-premium:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
    color: white !important;
}

/* Badges */
.badge-glass {
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 10px;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.badge-pending { background: rgba(251, 191, 36, 0.1); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.2); }
.badge-success { background: rgba(52, 211, 153, 0.1); color: #34d399; border: 1px solid rgba(52, 211, 153, 0.2); }
.badge-danger { background: rgba(248, 113, 113, 0.1); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.2); }

/* Alerts */
.alert-glass-success {
    background: rgba(52, 211, 153, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(52, 211, 153, 0.2);
    color: #10b981;
    border-radius: 12px;
}

.alert-glass-danger {
    background: rgba(248, 113, 113, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: #ef4444;
    border-radius: 12px;
}

.alert-glass-info {
    background: rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border-radius: 12px;
}

[data-theme="light"] .alert-glass-success { background: rgba(52, 211, 153, 0.05); border-color: rgba(52, 211, 153, 0.15); }
[data-theme="light"] .alert-glass-danger { background: rgba(248, 113, 113, 0.05); border-color: rgba(248, 113, 113, 0.15); }
[data-theme="light"] .alert-glass-info { background: rgba(59, 130, 246, 0.05); border-color: rgba(59, 130, 246, 0.15); }

/* Theme Toggle */
.theme-toggle-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    background: var(--glass-border);
}

/* Theme Utilities */
.text-theme { color: var(--text-primary) !important; }
.text-theme-muted { color: var(--text-muted) !important; }
.text-muted { color: var(--text-muted) !important; }

[data-theme="light"] .badge-glass { border-width: 1.5px; }
[data-theme="light"] .glass-panel, [data-theme="light"] .card-glass {
    background: rgba(255, 255, 255, 0.98) !important;
}

[data-theme="light"] .theme-close-btn {
    filter: invert(1) grayscale(100%) brightness(0);
}

[data-theme="light"] #sidebar-menu li.menu-title {
    opacity: 0.8;
    color: var(--text-primary);
}

[data-theme="light"] .btn-outline-light {
    color: var(--text-primary) !important;
    border-color: var(--glass-border) !important;
}

[data-theme="light"] .btn-outline-light:hover {
    background: var(--glass-border) !important;
}

[data-theme="light"] .settings-form .form-control {
    background: #ffffff !important;
}

/* Inner Cards in Modals */
.theme-inner-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    transition: all 0.3s ease;
}

[data-theme="light"] .theme-inner-card {
    background: rgba(0, 0, 0, 0.02) !important;
}

.modal-header .modal-title {
    color: var(--text-primary) !important;
}

.modal-content.card-glass, 
.modal-content.glass-panel {
    background: var(--glass-grad) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid var(--glass-border) !important;
}

.theme-inner-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .theme-inner-card:hover {
    background: rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .btn-premium {
    background: linear-gradient(135deg, #3a7bd5, #00d2ff) !important;
    box-shadow: 0 4px 15px rgba(58, 123, 213, 0.2) !important;
}

[data-theme="light"] .badge-glass {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-primary);
}


/* Responsive Design */
@media (max-width: 991.98px) {
    .left-side-menu {
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: none;
    }

    .sidebar-enable .left-side-menu {
        transform: translateX(0);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .content-page {
        margin-left: 0 !important;
        padding: 15px !important;
        width: 100% !important;
    }

    .navbar {
        margin-bottom: 20px !important;
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .logo-box {
        display: none !important;
    }

    .badge-glass {
        display: none !important; /* Hide panel badge on very small screens to save space */
    }

    .navbar-nav {
        gap: 8px !important; /* Reduce gap between icons on mobile */
    }

    #themeToggle, .nav-link.glass-panel {
        width: 36px !important;
        height: 36px !important;
    }

    /* Table Responsiveness Improvements */
    .table-responsive {
        border-radius: 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table thead th {
        white-space: nowrap;
    }

    .d-mobile-none {
        display: none !important;
    }
}

@media (min-width: 576px) {
    .badge-glass {
        display: inline-block !important;
    }
}

/* Fix horizontal overflow */
body, #wrapper {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

.content-page {
    overflow-y: auto;
    overflow-x: hidden;
}

/* Ensure modas and dropdowns are never clipped */
.glass-panel, .card-glass {
    position: relative;
    z-index: 1;
}

/* Table Responsive Polish */
.table-responsive {
    padding-bottom: 5px; /* Space for scrollbar */
}

.table-responsive::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

/* Professional Form Spacing */
.form-group {
    margin-bottom: 1.5rem !important;
}

/* Topbar Shadow & Z-index */
.navbar-custom {
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

[data-theme="light"] .navbar-custom {
    background: rgba(255, 255, 255, 0.9) !important;
}

/* Placeholder Fixes */
img[src*="undraw_profile.svg"], .avatar-md, .avatar-lg {
    background-color: var(--glass-bg);
    object-fit: cover;
}

/* Tracker & Premium Grid (Shared between Customer & Admin) */
.tracker-line-bg { background-color: #e9ecef; height: 4px !important; border-radius: 10px; position: absolute; top: 19px !important;}
.tracker-line-fill { background-color: var(--accent-cyan); height: 4px !important; border-radius: 10px; position: absolute; top: 19px !important; box-shadow: 0 2px 4px rgba(0, 210, 255, 0.3); }
[data-theme="dark"] .tracker-line-bg { background-color: #2d3748; }

.tracker-dot {
    width: 42px !important; 
    height: 42px !important; 
    border-width: 3px !important;
    font-size: 16px;
    background-color: var(--bg-deep);
    z-index: 2;
    transition: all 0.3s ease;
}
.tracker-dot.border-primary {
    border-color: var(--accent-cyan) !important;
    color: var(--accent-cyan) !important;
    box-shadow: 0 0 0 4px rgba(0, 210, 255, 0.15);
}

.icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.spacing-1 { letter-spacing: 1px; }

/* Soft Backgrounds & Gradients */
.bg-cyan-gradient { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)) !important; color: white !important; }
.bg-blue-gradient { background: linear-gradient(135deg, var(--accent-blue), #1e293b) !important; color: white !important; }

.bg-soft-primary { background: rgba(37, 99, 235, 0.1) !important; color: #2563eb !important; }
.bg-soft-success { background: rgba(16, 185, 129, 0.1) !important; color: #10b981 !important; }
.bg-soft-info { background: rgba(59, 130, 246, 0.1) !important; color: #3b82f6 !important; }
.bg-soft-warning { background: rgba(245, 158, 11, 0.1) !important; color: #f59e0b !important; }
.bg-soft-danger { background: rgba(239, 68, 68, 0.1) !important; color: #ef4444 !important; }

[data-theme="dark"] .bg-soft-primary { background: rgba(0, 210, 255, 0.1) !important; color: var(--accent-cyan) !important; }
[data-theme="dark"] .bg-soft-success { background: rgba(52, 211, 153, 0.1) !important; color: #34d399 !important; }
[data-theme="dark"] .bg-soft-info { background: rgba(0, 210, 255, 0.15) !important; color: var(--accent-cyan) !important; }
[data-theme="dark"] .bg-soft-warning { background: rgba(251, 191, 36, 0.15) !important; color: #fbbf24 !important; }
[data-theme="dark"] .bg-soft-danger { background: rgba(248, 113, 113, 0.1) !important; color: #f87171 !important; }

/* Custom Avatar Sizes */
.avatar-xs { height: 1.5rem; width: 1.5rem; }
.avatar-sm { height: 2.25rem; width: 2.25rem; }
.avatar-md { height: 3.5rem; width: 3.5rem; }
.avatar-lg { height: 4.5rem; width: 4.5rem; }
.avatar-xl { height: 6rem; width: 6rem; }
.avatar-title {
    align-items: center;
    display: flex;
    font-weight: 600;
    height: 100%;
    justify-content: center;
    width: 100%;
}