/* Modern, Premium Variables */
:root {
    --primary-color: #6366F1; /* Indigo */
    --primary-hover: #4F46E5;
    --secondary-color: #10B981; /* Emerald */
    --danger-color: #F43F5E; /* Rose */
    --warning-color: #F59E0B; /* Amber */
    
    --bg-light: #F8FAFC;
    --bg-card: rgba(255, 255, 255, 0.85);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(226, 232, 240, 0.8);
    
    --text-main: #0F172A; /* Deeper slate for better readability in light mode */
    --text-secondary: #334155;
    --text-muted: #64748B;
    --text-white: #FFFFFF;
    
    --border-color: #E2E8F0;
    
    --login-bg: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
    --login-card-bg: rgba(255, 255, 255, 0.05);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.1), 0 2px 4px 0 rgba(31, 38, 135, 0.05);
    
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    
    --sidebar-width: 240px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides */
[data-theme='dark'] {
    --bg-light: #020617; /* Deeper darker background */
    --bg-card: rgba(15, 23, 42, 0.8);
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --text-main: #F1F5F9; /* Off-white for dark mode */
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    
    --border-color: rgba(255, 255, 255, 0.1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent),
                radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05), transparent),
                var(--bg-light);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 0.875rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 700;
    letter-spacing: -0.01em;
}

p {
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-up { animation: fadeInUp 0.6s ease-out forwards; }
.animate-left { animation: slideInLeft 0.5s ease-out forwards; }

/* Glassmorphism Card */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem; /* Balanced padding */
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    transition: var(--transition);
}

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

.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.875rem; /* Slightly smaller padding */
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.8125rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

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

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

/* Forms */
.form-group {
    margin-bottom: 1.2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: var(--transition);
    background-color: var(--bg-card);
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background-color: var(--bg-light);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

/* Badges with theme-aware colors */
.badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--secondary-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.badge-danger {
    background-color: rgba(244, 63, 94, 0.2);
    color: var(--danger-color);
}

[data-theme='dark'] .badge-success { color: #34D399; }
[data-theme='dark'] .badge-warning { color: #FBBF24; }
[data-theme='dark'] .badge-danger { color: #FB7185; }

/* Login Page Evolution (Digital Abstract Style) */
.login-body {
    align-items: center;
    justify-content: center;
    background: var(--login-bg);
    position: relative;
    overflow: hidden;
    padding: 2rem;
    display: flex;
    min-height: 100vh;
    transition: background-color 0.5s ease;
}

[data-theme='light'] .login-body {
    background: #F1F5F9;
}

[data-theme='light'] .bg-shape {
    opacity: 0.6;
    filter: blur(100px);
}

.login-abstract-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.4;
    border-radius: var(--radius-full);
}

.bg-shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -100px;
    right: -100px;
    animation: floating 10s ease-in-out infinite alternate;
}

.bg-shape-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -50px;
    left: -50px;
    animation: floating 12s ease-in-out infinite alternate-reverse;
}

@keyframes floating {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(40px, 40px) scale(1.05); }
}

.login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 440px;
    padding: 2.5rem;
    background: var(--login-card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 1.5rem;
    color: white;
}

[data-theme='light'] .login-card {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--text-main);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

.login-brand {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.login-brand i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 10px rgba(99, 102, 241, 0.4));
}

.login-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -1.5rem;
    margin-bottom: 2.5rem;
    font-weight: 500;
}

[data-theme='dark'] .login-subtitle { color: #94A3B8; }

.login-card .form-control {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    height: 3.5rem;
    padding-left: 3rem !important;
    font-size: 1.125rem;
}

[data-theme='light'] .login-card .form-control {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.login-card .form-control:focus {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.login-card .btn-primary {
    height: 3.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

/* Sidebar & Layout */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: fixed;
    z-index: 1100;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.02);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
    left: 0;
    top: 0;
    overflow-y: auto; /* Enable scrolling for many links */
    scrollbar-width: thin;
}

.sidebar-header {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-left: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    margin-bottom: 0.75rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-link.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: white;
    border-radius: 0 4px 4px 0;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition);
}

/* Gradient Cards */
.card-gradient-primary { background: linear-gradient(135deg, #6366F1 0%, #4338CA 100%); color: white !important; }
.card-gradient-success { background: linear-gradient(135deg, #10B981 0%, #059669 100%); color: white !important; }
.card-gradient-warning { background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%); color: white !important; }
.card-gradient-danger { background: linear-gradient(135deg, #F43F5E 0%, #E11D48 100%); color: white !important; }
.card-gradient-info { background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%); color: white !important; }

.card-gradient-primary h3, .card-gradient-primary p,
.card-gradient-success h3, .card-gradient-success p,
.card-gradient-warning h3, .card-gradient-warning p,
.card-gradient-danger h3, .card-gradient-danger p,
.card-gradient-info h3, .card-gradient-info p {
    color: white !important;
}

/* Page Header */
.page-header {
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 1.5rem; /* Reduced from 2.25rem */
    font-weight: 700;
    letter-spacing: -0.01em;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.dashboard-grid-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .dashboard-grid-2-1 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background-color: rgba(99, 102, 241, 0.15); color: var(--primary-color); }
.stat-icon.success { background-color: rgba(16, 185, 129, 0.15); color: var(--secondary-color); }
.stat-icon.warning { background-color: rgba(245, 158, 11, 0.15); color: var(--warning-color); }
.stat-icon.danger { background-color: rgba(244, 63, 94, 0.15); color: var(--danger-color); }

.stat-details h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-details p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}
/* Mobile Navigation Header */
.mobile-header {
    display: none;
    background-color: var(--bg-card);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    align-items: center;
    justify-content: space-between;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050; /* Between header and sidebar */
    backdrop-filter: blur(2px);
}

/* Responsive Layouts (Consolidated) */
/* Mobile Breakpoint (Combined & Simplified) */
@media (max-width: 1024px) {
    body {
        flex-direction: column !important;
    }
    
    .sidebar {
        position: fixed !important;
        left: 0 !important;
        top: 60px !important;
        width: 280px !important;
        height: calc(100vh - 60px) !important;
        background: var(--bg-card) !important;
        z-index: 2500 !important;
        transform: translateX(-100%) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        display: flex !important;
        flex-direction: column;
        padding: 1rem !important;
        box-shadow: 10px 0 30px rgba(0,0,0,0.2) !important;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease !important;
        overflow-y: auto !important; /* Ensure mobile sidebar is scrollable */
    }
    
    .sidebar.active {
        transform: translateX(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .sidebar-overlay {
        position: fixed !important;
        top: 60px !important;
        left: 0;
        width: 100vw;
        height: calc(100vh - 60px);
        background: rgba(0,0,0,0.6) !important;
        z-index: 2400 !important;
        display: none;
        backdrop-filter: blur(6px) saturate(180%);
    }

    .sidebar-overlay.active {
        display: block !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 1rem !important;
        min-height: calc(100vh - 60px);
    }
    
    .mobile-header {
        display: flex !important;
        width: 100%;
        height: 60px;
        position: sticky;
        top: 0;
        z-index: 3000;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
        align-items: center;
        padding: 0 1rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .stat-card {
        padding: 1.5rem !important;
    }

    .card {
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .desktop-header {
        display: none !important;
    }
}

/* Notification Bars / Alerts */
.alert-banner {
    background: var(--bg-card);
    border-left: 4px solid var(--warning-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
    color: var(--text-main);
    backdrop-filter: blur(12px);
}

[data-theme='light'] .alert-banner-warning { background: #FFFBEB; color: #92400E; }
[data-theme='dark'] .alert-banner-warning { background: rgba(245, 158, 11, 0.1); color: #FCD34D; }

[data-theme='light'] .alert-banner-success { background: #ECFDF5; color: #065F46; }
[data-theme='dark'] .alert-banner-success { background: rgba(16, 185, 129, 0.1); color: #34D399; }

[data-theme='light'] .alert-banner-danger { background: #FEF2F2; color: #991B1B; }
[data-theme='dark'] .alert-banner-danger { background: rgba(244, 63, 94, 0.1); color: #FB7185; }

.badge-primary-subtle {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }
    
    .main-content {
        padding: 1rem 1rem 0 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1.25rem;
    }
    
    .stat-card {
        gap: 1rem;
    }
    
    .stat-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    .stat-details p {
        font-size: 1.25rem;
    }
    
    /* Tables on mobile */
    .table th, .table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    /* Larger tap targets for navigation */
    .nav-link {
        padding: 1rem 1.25rem !important;
        font-size: 1rem !important;
    }
}

/* Scrolling Marquee / Sticky Note */
.marquee-container {
    width: 100%;
    overflow: hidden;
    background: #1e3a8a;
    color: white;
    padding: 10px 0;
    margin-bottom: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    position: relative;
    display: flex;
    align-items: center;
}

.marquee-content {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 20s linear infinite;
    font-weight: 500;
    font-size: 1rem;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

.marquee-container:hover .marquee-content {
    animation-play-state: paused;
}

.marquee-label {
    background: var(--danger-color);
    color: white;
    padding: 10px 20px;
    font-weight: 700;
    z-index: 2;
    text-transform: uppercase;
    font-size: 0.75rem;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0.75rem !important;
    }
    
    .card {
        padding: 1rem !important;
    }

    .stat-icon {
        width: 3.5rem !important;
        height: 3.5rem !important;
    }

    .page-title {
        font-size: 1.25rem !important;
    }

    .table-responsive {
        border: none !important;
        box-shadow: none !important;
    }
}

/* Consolidated Sidebar/Overlay Transitions */
.sidebar, .main-content, .sidebar-overlay {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s;
}