/*
 * SMSPro Web - Modern Branded Design System
 * Unique Public Graduate College Chichawatni
 *
 * Design Philosophy: Clean, Minimalist, Professional
 * Brand Colors: Deep Green & Rich Gold from College Logo
 */

/* ============================================================================
   BRAND COLOR PALETTE - From College Logo
   ============================================================================ */
:root {
    /* Primary Brand Colors */
    --brand-green-deep: #1e5631;      /* Deep forest green from shield */
    --brand-green-medium: #2d7a4a;    /* Medium green */
    --brand-green-light: #3a9b60;     /* Light green */
    --brand-green-subtle: #e8f5ed;    /* Very light green tint */

    --brand-gold: #d4a53a;            /* Rich gold from accents */
    --brand-gold-light: #e6c563;      /* Light gold */
    --brand-gold-dark: #b8912e;       /* Dark gold */
    --brand-gold-subtle: #fef9f0;     /* Cream tint */

    --brand-blue: #5db4e5;            /* Sky blue from sun */
    --brand-blue-light: #8dcef0;      /* Light blue */

    /* Neutral Grays - Professional */
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: var(--brand-blue);

    /* Shadows - Subtle & Layered */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --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 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-brand: 0 8px 16px rgba(30, 86, 49, 0.15);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--brand-gold-subtle) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--brand-green-deep);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

/* ============================================================================
   NAVBAR - Glassmorphism with Brand Colors
   ============================================================================ */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 1.5rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--brand-green-deep) !important;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.navbar-brand img.logo {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.navbar .dropdown-menu {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 0.5rem;
}

.navbar .dropdown-item {
    border-radius: 8px;
    padding: 0.625rem 1rem;
    font-size: 1rem;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.navbar .dropdown-item:hover {
    background: var(--brand-green-subtle);
    color: var(--brand-green-deep);
}

/* ============================================================================
   SIDEBAR - Modern Dark with Brand Accents
   ============================================================================ */
.sidebar {
    background: linear-gradient(180deg, var(--brand-green-deep) 0%, #153920 100%) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
}

.sidebar .nav-link {
    color: #ffffff;
    padding: 0.875rem 1.25rem;
    margin: 0.25rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.0625rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.sidebar .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--brand-gold);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.sidebar .nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(212, 165, 58, 0.35) 0%, rgba(212, 165, 58, 0.2) 100%);
    box-shadow: 0 4px 12px rgba(212, 165, 58, 0.4);
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.sidebar .nav-link.active::before {
    transform: scaleY(1);
}

.sidebar .nav-link i {
    width: 24px;
    margin-right: 0.875rem;
    font-size: 1.25rem;
    color: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */
.main-content {
    background: transparent;
    min-height: 100vh;
    padding: 2rem;
}

/* ============================================================================
   CARDS - Glassmorphism with Subtle Neumorphism
   ============================================================================ */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.card-header {
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, rgba(255, 255, 255, 0.5) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--brand-green-deep);
    border-radius: 16px 16px 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Cards - Brand Colored */
.card-stats {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-green-deep) 0%, var(--brand-gold) 100%);
}

.card-stats:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-brand);
}

.card-stats .card-body {
    padding: 2rem;
}

.card-stats h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-green-deep);
    margin-bottom: 0.5rem;
    font-family: 'Poppins', sans-serif;
}

.card-stats p {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 500;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-stats-subtitle {
    font-size: 0.7rem;
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, var(--brand-gold-subtle) 100%);
    color: var(--brand-green-deep);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* ============================================================================
   BUTTONS - Modern with Brand Colors
   ============================================================================ */
.btn {
    font-weight: 500;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-xs);
    max-width: 100%;
    width: auto;
}

.btn.btn:active {
    transform: translateY(1px);
    box-shadow: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 86, 49, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-green-medium) 0%, var(--brand-green-light) 100%);
    box-shadow: var(--shadow-brand);
    transform: translateY(-2px);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, var(--success) 100%);
    transform: translateY(-2px);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-light) 100%);
    color: var(--gray-900);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--brand-gold-light) 0%, var(--brand-gold) 100%);
    transform: translateY(-2px);
    color: var(--gray-900);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, var(--danger) 100%);
    transform: translateY(-2px);
    color: white;
}

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

.btn-outline-primary:hover {
    background: var(--brand-green-deep);
    color: white;
    border-color: var(--brand-green-deep);
}

/* ============================================================================
   TABS - Modern Clean Design
   ============================================================================ */
.nav-tabs {
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 2rem;
    gap: 0.5rem;
}

.nav-tabs .nav-link {
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 10px 10px 0 0;
    position: relative;
    transition: all var(--transition-fast);
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-green-deep) 0%, var(--brand-gold) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-tabs .nav-link:hover {
    color: var(--brand-green-deep);
    background: var(--brand-green-subtle);
}

.nav-tabs .nav-link.active {
    color: var(--brand-green-deep);
    background: transparent;
    font-weight: 600;
}

.nav-tabs .nav-link.active::after {
    transform: scaleX(1);
}

/* ============================================================================
   FORMS - Clean & Accessible
   ============================================================================ */
.form-control, .form-select {
    border: 2px solid var(--gray-300);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--gray-900);
    transition: all var(--transition-fast);
    background: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-green-deep);
    box-shadow: 0 0 0 4px rgba(30, 86, 49, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.input-group-text {
    background: var(--brand-green-subtle);
    border: 2px solid var(--gray-300);
    border-right: none;
    color: var(--brand-green-deep);
    font-weight: 500;
}

/* ============================================================================
   TABLES - Modern Enterprise Design
   ============================================================================ */
.table {
    font-size: 1rem;
}

.table thead th {
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, rgba(255, 255, 255, 0.8) 100%);
    color: var(--brand-green-deep);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--brand-green-deep);
    padding: 1rem 1.25rem;
}

.table tbody tr {
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--brand-green-subtle);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    color: var(--gray-800);
}

/* ============================================================================
   BADGES - Brand Colored
   ============================================================================ */
.badge {
    font-weight: 600;
    padding: 0.5rem 0.875rem;
    border-radius: 8px;
    font-size: 0.875rem;
}

.badge-primary, .bg-primary.text-white {
    background: linear-gradient(135deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%) !important;
    color: white !important;
}

.badge-success, .bg-success.text-white {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%) !important;
    color: white !important;
}

.badge-warning, .bg-warning.text-white {
    background: linear-gradient(135deg, var(--brand-gold) 0%, var(--brand-gold-light) 100%) !important;
    color: var(--gray-900) !important;
}

.badge-danger, .bg-danger.text-white {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%) !important;
    color: white !important;
}

.badge-info, .bg-info.text-white {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-light) 100%) !important;
    color: white !important;
}

/* Card headers with colors */
.card-header.bg-primary, .card-header.bg-primary.text-white {
    background: linear-gradient(135deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%) !important;
    color: white !important;
    border-bottom: none !important;
}

.card-header.bg-success, .card-header.bg-success.text-white {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%) !important;
    color: white !important;
    border-bottom: none !important;
}

.card-header.bg-info, .card-header.bg-info.text-white {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-light) 100%) !important;
    color: white !important;
    border-bottom: none !important;
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.75) !important;
}

/* ============================================================================
   ALERTS - Clean Design
   ============================================================================ */
.alert {
    border: 1px solid;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    border-left-width: 4px;
}

.alert-success {
    background: #f0fdf4;
    border-color: var(--success);
    color: #166534;
}

.alert-danger {
    background: #fef2f2;
    border-color: var(--danger);
    color: #991b1b;
}

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

.alert-info {
    background: #f0f9ff;
    border-color: var(--brand-blue);
    color: #1e40af;
}

/* ============================================================================
   MODALS - Clean Professional
   ============================================================================ */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
}

.modal-header {
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, rgba(255, 255, 255, 0.5) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    border-radius: 20px 20px 0 0;
}

.modal-title {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--brand-green-deep);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1.25rem 2rem;
    background: var(--gray-50);
    border-radius: 0 0 20px 20px;
}

/* ============================================================================
   PAGINATION - Modern Design
   ============================================================================ */
.pagination {
    gap: 0.375rem;
}

.page-link {
    border: 2px solid var(--gray-300);
    border-radius: 10px;
    color: var(--gray-700);
    padding: 0.625rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    background: white;
}

.page-link:hover {
    background: var(--brand-green-subtle);
    border-color: var(--brand-green-deep);
    color: var(--brand-green-deep);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%);
    border-color: var(--brand-green-deep);
    color: white;
}

/* ============================================================================
   PROGRESS BARS - Brand Styled
   ============================================================================ */
.progress {
    background: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%);
    transition: width var(--transition-slow);
}

.progress-bar.bg-primary {
    background: linear-gradient(90deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%);
}

.progress-bar.bg-success {
    background: linear-gradient(90deg, var(--success) 0%, #059669 100%);
}

.progress-bar.bg-warning {
    background: linear-gradient(90deg, var(--brand-gold) 0%, var(--brand-gold-light) 100%);
}

.progress-bar.bg-danger {
    background: linear-gradient(90deg, var(--danger) 0%, #dc2626 100%);
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */
.text-primary {
    color: var(--brand-green-deep) !important;
}

.bg-primary-subtle {
    background: var(--brand-green-subtle);
}

.border-primary {
    border-color: var(--brand-green-deep);
}

/* ============================================================================
   SCROLLBAR - Custom Brand Styled
   ============================================================================ */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--brand-green-deep) 0%, var(--brand-green-medium) 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--brand-green-medium) 0%, var(--brand-green-light) 100%);
}

/* ============================================================================
   ANIMATIONS - Subtle & Professional
   ============================================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */
@media (max-width: 991.98px) {
    body {
        font-size: 15px;
    }

    h2 {
        font-size: 1.5rem;
    }

    .card-stats h3 {
        font-size: 2rem;
    }

    .navbar-brand img.logo {
        height: 40px;
    }
}

@media (max-width: 576px) {
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }

    .nav-tabs .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9375rem;
    }

    .card-stats .card-body {
        padding: 1.5rem;
    }
}

/* ============================================================================
   STAT CARD COLOR VARIANTS
   ============================================================================ */
.card-stats--success::before {
    background: linear-gradient(90deg, var(--success) 0%, #059669 100%);
}

.card-stats--warning::before {
    background: linear-gradient(90deg, var(--brand-gold) 0%, var(--brand-gold-light) 100%);
}

.card-stats--danger::before {
    background: linear-gradient(90deg, var(--danger) 0%, #dc2626 100%);
}

.card-stats--info::before {
    background: linear-gradient(90deg, var(--brand-blue) 0%, var(--brand-blue-light) 100%);
}

.stat-icon--success {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.stat-icon--warning {
    color: var(--brand-gold-dark);
    background: rgba(212, 165, 58, 0.12);
}

.stat-icon--danger {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.stat-icon--info {
    color: var(--brand-blue);
    background: rgba(93, 180, 229, 0.1);
}

/* ============================================================================
   SIDEBAR BRAND
   ============================================================================ */
.sidebar-brand {
    padding: 1rem 1.25rem 0.75rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.sidebar-brand-title {
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
}

/* ============================================================================
   SIDEBAR GROUP LABELS
   ============================================================================ */
.sidebar-group-label {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 1.25rem 1.25rem 0.375rem;
    margin-top: 0.25rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

.sidebar-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 0.5rem 1rem;
}

/* ============================================================================
   DASHBOARD LAYOUT
   ============================================================================ */
.dashboard-header {
    margin-bottom: 1.5rem;
}

.dashboard-header h2 {
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dashboard-header p {
    color: var(--gray-500);
    margin: 0;
    font-size: 0.9375rem;
}

.dashboard-section {
    margin-bottom: 2rem;
}

.dashboard-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

/* ============================================================================
   MODERN DATA TABLE
   ============================================================================ */
.data-table-enhanced {
    width: 100%;
}

.table-container-virtual {
    overflow-y: auto;
    overflow-x: auto;
    position: relative;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    -webkit-overflow-scrolling: touch;
}

.table-virtual-spacer {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    pointer-events: none;
}

.table-virtual-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.sticky-header {
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.data-table-enhanced .filter-row input {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
}

.data-table-enhanced .sticky-header th,
.data-table-enhanced thead th {
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: var(--brand-green-deep);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    border-bottom: 2px solid var(--gray-200);
}

.data-table-enhanced tbody tr:hover {
    background-color: var(--brand-green-subtle);
}

.data-table-enhanced tbody td {
    border-bottom: 1px solid var(--gray-100);
}

@media (max-width: 768px) {
    .hide-mobile { display: none; }
    .data-table-enhanced .table { font-size: 11px; }
    .data-table-enhanced .btn-sm {
        padding: 0.1rem 0.3rem;
        font-size: 0.75rem;
    }
    .data-table-enhanced .filter-row input {
        font-size: 11px;
        padding: 2px 4px;
    }
}

.data-table-container {
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    background: white;
}

.data-table-container .table {
    margin-bottom: 0;
}

.data-table-container .table thead th {
    background: linear-gradient(135deg, var(--brand-green-subtle) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: var(--brand-green-deep);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    padding: 0.875rem 1rem;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.data-table-container .table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table-container .table tbody tr:hover {
    background-color: var(--brand-green-subtle);
}

.data-table-container .table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    font-size: 0.875rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
}

/* ============================================================================
   MODERN FORMS
   ============================================================================ */
.form-control, .form-select {
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-green-medium);
    box-shadow: 0 0 0 3px rgba(30, 86, 49, 0.08);
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.375rem;
}

/* ============================================================================
   MODERN BADGES
   ============================================================================ */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.badge.bg-success {
    background: rgba(16, 185, 129, 0.12) !important;
    color: #059669;
}

.badge.bg-danger {
    background: rgba(239, 68, 68, 0.12) !important;
    color: #dc2626;
}

.badge.bg-warning {
    background: rgba(245, 158, 11, 0.12) !important;
    color: #d97706;
}

.badge.bg-secondary {
    background: var(--gray-100) !important;
    color: var(--gray-600);
}

/* ============================================================================
   PAGE TITLE BAR
   ============================================================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header .btn-group-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================================================
   TOUCH TARGETS - Accessibility
   ============================================================================ */
.btn, .form-control, .form-select, .page-link {
    min-height: 44px;
}