/* ============================================
   PROFESSIONAL DESIGN SYSTEM
   Modern, Clean, Professional UI
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Primary Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    /* Secondary Colors */
    --secondary: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;
    
    /* Success Colors */
    --success: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    
    /* Warning Colors */
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    
    /* Danger Colors */
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    
    /* Info Colors */
    --info: #3b82f6;
    --info-dark: #2563eb;
    --info-light: #60a5fa;
    
    /* Neutral Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-elevated: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Modern Cards */
.card {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

/* Gradient Cards */
.card-gradient {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.card-gradient .card-header,
.card-gradient .card-body,
.card-gradient .card-footer {
    background: transparent;
    border: none;
    color: white;
}

.card-gradient h1,
.card-gradient h2,
.card-gradient h3,
.card-gradient h4,
.card-gradient h5,
.card-gradient h6,
.card-gradient p {
    color: white;
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-dark) 0%, var(--success) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-dark) 0%, var(--danger) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-dark) 0%, var(--warning) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-dark) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--info-dark) 0%, var(--info) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn i {
    margin-right: var(--spacing-xs);
}

.btn-icon {
    padding: var(--spacing-sm);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.btn-icon i {
    margin: 0;
}

/* Modern Form Controls */
.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-elevated);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled {
    background-color: var(--bg-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-control.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2310b981' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid {
    border-color: var(--danger);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23ef4444'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5zM6 8.2a.2.2 0 11-.4 0 .2.2 0 01.4 0z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-select {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: var(--bg-elevated);
}

.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 1.25em;
    height: 1.25em;
    margin-top: 0.125em;
    vertical-align: top;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form-check-input:focus {
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-label {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.input-group .form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

.input-group .form-control:focus {
    z-index: 5;
}

/* Modern Tables */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    color: var(--text-primary);
    background-color: var(--bg-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    transition: background-color var(--transition-fast);
}

.table tbody tr {
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

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

.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-full);
    vertical-align: baseline;
}

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

.badge-success {
    background-color: var(--success);
    color: white;
}

.badge-warning {
    background-color: var(--warning);
    color: white;
}

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

.badge-info {
    background-color: var(--info);
    color: white;
}

/* Progress Bar */
.progress {
    display: flex;
    height: var(--spacing-md);
    overflow: hidden;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    color: white;
    text-align: center;
    white-space: nowrap;
    background-color: var(--primary);
    transition: width var(--transition-slow) ease;
}

/* Alert Messages */
.alert {
    position: relative;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    color: white;
}

.alert-success {
    background-color: var(--success);
    border-color: var(--success-dark);
}

.alert-warning {
    background-color: var(--warning);
    border-color: var(--warning-dark);
}

.alert-danger {
    background-color: var(--danger);
    border-color: var(--danger-dark);
}

.alert-info {
    background-color: var(--info);
    border-color: var(--info-dark);
}

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

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

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-in {
    animation: slideIn 0.3s ease forwards;
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

.scale-in {
    animation: scaleIn 0.3s ease forwards;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.bounce {
    animation: bounce 1s ease infinite;
}

/* Staggered animations for lists */
.stagger-in > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-in > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-in > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-in > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-in > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-in > *:nth-child(6) { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }

    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    .stat-value {
        font-size: var(--font-size-2xl);
    }

    #sidebar {
        position: fixed;
        z-index: var(--z-fixed);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    #sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: var(--z-modal-backdrop);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

@media (max-width: 576px) {
    html {
        font-size: 13px;
    }

    .page-heading {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .section {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .stat-value {
        font-size: var(--font-size-xl);
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Sidebar Improvements */
#sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

.sidebar-wrapper {
    height: 100vh;
    overflow-y: auto;
}

.sidebar-menu {
    padding: var(--spacing-md);
}

.sidebar-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.sidebar-item {
    margin-bottom: var(--spacing-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-link i {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.sidebar-item.active .sidebar-link {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

/* Dashboard Stats Cards */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--primary-gradient);
    color: white;
    margin-bottom: var(--spacing-md);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
}

/* Search Input */
.sidebar-search {
    padding: var(--spacing-md);
}

.sidebar-search .form-control {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
}

.sidebar-search .input-group-text {
    background-color: transparent;
    border: none;
    color: var(--text-muted);
}

/* Main Content Area */
#main-content {
    background-color: var(--bg-primary);
    min-height: 100vh;
}

.page-heading {
    padding: var(--spacing-xl) var(--spacing-2xl);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-title h3 {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.section {
    padding: var(--spacing-xl) var(--spacing-2xl);
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.breadcrumb-item a {
    color: var(--text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

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

/* Icon Colors */
.icon-color {
    color: var(--primary);
}

.icon-success {
    color: var(--success);
}

.icon-warning {
    color: var(--warning);
}

.icon-danger {
    color: var(--danger);
}

.icon-info {
    color: var(--info);
}