/* ============================================================
   GLOBAL VARIABLES & BASE STYLES
   ============================================================ */

:root {
    /* Color Palette */
    --primary-color: #2c3e50;
    --primary-dark: #1a252f;
    --secondary-color: #3498db;
    --secondary-light: #5dade2;
    --secondary-dark: #2980b9;
    
    /* Status Colors */
    --success-color: #27ae60;
    --success-light: #52be80;
    --warning-color: #f39c12;
    --warning-light: #f8b88b;
    --danger-color: #e74c3c;
    --danger-light: #ec7063;
    --info-color: #3498db;
    
    /* Neutral Colors */
    --light-bg: #ecf0f1;
    --light-gray: #f5f7fa;
    --medium-gray: #95a5a6;
    --dark-gray: #7f8c8d;
    --border-color: #bdc3c7;
    --text-color: #2c3e50;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Box Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-gray);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    width: 100%;
}

/* ============================================================
   NAVIGATION BAR
   ============================================================ */

.navbar-custom {
    background: linear-gradient(135deg, #f5f7ff 0%, #e8ebf5 100%);
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.15);
    padding: 0;
    height: 65px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    border-bottom: 3px solid rgba(52, 152, 219, 0.2);
}

.navbar-custom .navbar-brand {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: var(--spacing-lg);
    margin-right: 40px;
    letter-spacing: 1px;
    text-decoration: none;
    font-style: italic;
}

.navbar-custom .navbar-brand strong {
    color: #3498db;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 0;
    flex-wrap: wrap;
}

.navbar-nav .nav-item {
    height: 65px;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link {
    color: #2c3e50 !important;
    padding: 0 18px !important;
    height: 65px;
    display: flex;
    align-items: center;
    border-bottom: 3px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
    position: relative;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db 0%, #5dade2 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
    color: #3498db !important;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.08) 0%, rgba(93, 173, 226, 0.05) 100%);
    border-radius: 8px 8px 0 0;
}

.navbar-nav .nav-link:hover::before {
    width: 60%;
}

.navbar-nav .nav-link.dropdown-toggle::after {
    border-color: #3498db transparent transparent transparent;
    margin-left: 8px;
}

.navbar-nav .nav-link.active {
    color: #3498db !important;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.12) 0%, rgba(93, 173, 226, 0.08) 100%);
}

.navbar-nav .nav-link.active::before {
    width: 60%;
}

/* Dropdown Menu */
.dropdown-menu {
    background: linear-gradient(135deg, #f8f9fa 0%, #ecf0f1 100%) !important;
    border: none !important;
    box-shadow: 0 8px 32px rgba(52, 152, 219, 0.2) !important;
    border-radius: 12px !important;
    margin-top: 12px !important;
    padding: 8px 0 !important;
    min-width: 220px !important;
}

.dropdown-menu .dropdown-item {
    color: #2c3e50 !important;
    font-weight: 500;
    padding: 12px 20px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 13px;
    position: relative;
    margin: 4px 8px !important;
    border-radius: 8px;
}

.dropdown-menu .dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, #3498db 0%, #5dade2 100%);
    border-radius: 3px;
    transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-menu .dropdown-item:hover {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(93, 173, 226, 0.05) 100%) !important;
    color: #3498db !important;
}

.dropdown-menu .dropdown-item:hover::before {
    height: 100%;
}

.dropdown-menu .dropdown-divider {
    border-color: rgba(52, 152, 219, 0.15);
    margin: 8px 0 !important;
}

/* User Info Section */
.user-info {
    display: flex;
    align-items: center;
    color: #2c3e50;
    margin-left: auto;
    margin-right: var(--spacing-xl);
    gap: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3498db 0%, #5dade2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.user-details {
    display: flex;
    flex-direction: column;
    font-size: 12px;
    gap: 2px;
}

.user-details .username {
    font-weight: 700;
    line-height: 1.2;
    color: #2c3e50;
}

.user-details .role {
    color: #7f8c8d;
    font-size: 11px;
    font-weight: 500;
}

/* Logout Button */
.btn-logout {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white !important;
    border: 2px solid #1a252f;
    padding: 8px 16px !important;
    font-size: 13px !important;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.25);
    margin-left: 12px;
}

.btn-logout:hover {
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
    border-color: #0f1823;
    box-shadow: 0 6px 16px rgba(44, 62, 80, 0.35);
    transform: translateY(-2px);
    color: white !important;
}

.btn-logout:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(44, 62, 80, 0.25);
}

/* ============================================================
   MAIN LAYOUT & CONTAINERS
   ============================================================ */

.container-fluid {
    padding: 0;
    margin: 0;
    width: 100%;
}

.main-content {
    padding: 0;
    background-color: var(--light-gray);
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
}

main {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    background: white;
}

.page-header h1,
.page-header h2 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.page-header h1 {
    font-size: 28px;
}

.page-header h2 {
    font-size: 22px;
}

.page-header p {
    color: var(--dark-gray);
    font-size: 14px;
    margin: 0;
}

/* ============================================================
   CONTENT BOX & SECTIONS
   ============================================================ */

.content-box {
    background: white;
    border-radius: 0;
    padding: var(--spacing-xl);
    box-shadow: none;
    margin-bottom: 0;
    width: 100%;
    border-bottom: 1px solid var(--border-color);
}

.content-box form {
    width: 100%;
}

.content-box h3 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--light-bg);
    padding-bottom: var(--spacing-md);
    font-size: 18px;
}

.content-box h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 16px;
}

.content-box p {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

/* ============================================================
   DASHBOARD CARDS & GRIDS
   ============================================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    width: 100%;
    padding: var(--spacing-xl);
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.dashboard-card.blue {
    border-left-color: var(--info-color);
}

.dashboard-card.green {
    border-left-color: var(--success-color);
}

.dashboard-card.orange {
    border-left-color: var(--warning-color);
}

.dashboard-card.red {
    border-left-color: var(--danger-color);
}

.card-icon {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 12px;
    color: var(--dark-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--spacing-sm);
}

.card-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    height: 40px;
    line-height: 1.5;
    width: 100%;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
    outline: none;
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--light-bg);
    color: var(--medium-gray);
    cursor: not-allowed;
}

textarea.form-control {
    height: auto;
    min-height: 100px;
}

.form-check {
    margin-bottom: var(--spacing-md);
}

.form-check-label {
    font-size: 14px;
    margin-left: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-color);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 0.2rem;
    cursor: pointer;
}

/* Form Row Spacing */
.row {
    margin-left: calc(var(--spacing-md) * -1);
    margin-right: calc(var(--spacing-md) * -1);
    display: flex;
    flex-wrap: wrap;
}

.row > [class*='col-'] {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--medium-gray);
    color: white;
    border-color: var(--medium-gray);
}

.btn-secondary:hover {
    background-color: var(--dark-gray);
    border-color: var(--dark-gray);
}

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

.btn-success:hover {
    background-color: #229954;
    border-color: #229954;
}

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

.btn-danger:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

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

.btn-warning:hover {
    background-color: #d68910;
    border-color: #d68910;
}

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

.btn-info:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-outline-light {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 14px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================================
   TABLES
   ============================================================ */

.table-responsive {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    width: 100%;
}

.table {
    background-color: white;
    margin-bottom: 0;
    font-size: 13px;
    width: 100%;
}

.table thead {
    background-color: #6b7a8a;
    color: white;
}

.table thead th {
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    padding: var(--spacing-md);
    letter-spacing: 0.3px;
    border-bottom: 2px solid #4a5a6a;
}

.table tbody td {
    vertical-align: middle;
    padding: var(--spacing-md);
    border-color: var(--light-bg);
    color: var(--text-color);
}

.table tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid #e9ecef;
}

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

.table tbody tr:last-child td {
    border-bottom-color: var(--border-color);
}

/* Grid-specific styling - Note: Main grid CSS is in CONSISTENT GRID STYLING section below */

.grid-table tbody tr {
    border-bottom: 1px solid #e9ecef;
}

.grid-table tbody tr:hover {
    background-color: #f8f9fa;
}

.grid-table tbody td {
    padding: 10px 8px;
    vertical-align: middle;
}

/* ============================================================
   ALERTS
   ============================================================ */

.alert {
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    width: 100%;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

.alert-dismissible .btn-close {
    padding: var(--spacing-sm);
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
    padding: 4px 8px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-size: 11px;
    display: inline-block;
}

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

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

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

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

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

/* ============================================================
   TABS
   ============================================================ */

.nav-tabs {
    border-bottom: 2px solid var(--light-bg);
    gap: 0;
}

.nav-tabs .nav-link {
    color: var(--dark-gray);
    border: none;
    border-bottom: 3px solid transparent;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.nav-tabs .nav-link.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
    background-color: transparent;
}

.tab-content {
    padding: var(--spacing-lg) 0;
}

/* ============================================================
   CONSISTENT GRID STYLING
   ============================================================ */

/* Grid Header - Light Dark Color (#6b7a8a) */
.grid-header {
    background: linear-gradient(135deg, #6b7a8a 0%, #5a6a7a 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin-bottom: 0;
    border-bottom: none;
}

.grid-header h3 {
    margin: 0;
    color: white;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Grid Container */
.grid-container {
    background: white;
    border: 1px solid var(--light-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.grid-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.grid-table {
    width: 100%;
    margin-bottom: 0;
    font-size: 13px;
}

.grid-table thead {
    background: linear-gradient(135deg, #6b7a8a 0%, #5a6a7a 100%);
    color: white;
}

.grid-table thead th {
    background: inherit !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 12px 14px !important;
    border: none !important;
    border-bottom: 2px solid #4a5a6a !important;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.3px;
    text-align: left;
}

.grid-table tbody tr {
    border-bottom: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.grid-table tbody tr:hover {
    background-color: #f8f9fa;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.04);
}

.grid-table tbody tr:last-child {
    border-bottom-color: var(--light-bg);
}

.grid-table tbody td {
    padding: 10px 14px;
    vertical-align: middle;
    color: var(--text-color);
}

.grid-table tbody td strong {
    font-weight: 600;
    color: var(--primary-color);
}

.grid-table tbody td small {
    color: var(--dark-gray);
    font-size: 12px;
}

/* Grid Empty State */
.grid-empty {
    padding: 60px 20px;
    text-align: center;
    background: white;
    border: 1px solid var(--light-bg);
    border-radius: var(--radius-md);
}

.grid-empty i {
    font-size: 56px;
    color: var(--light-bg);
    margin-bottom: var(--spacing-lg);
    display: block;
}

.grid-empty h5 {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: 14px;
}

.grid-empty p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    font-size: 13px;
}

/* ============================================================
   PAGINATION STYLING
   ============================================================ */

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: white;
    border-top: 1px solid var(--light-bg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 13px;
}

.pagination-info {
    color: var(--dark-gray);
    font-weight: 500;
}

.pagination-info strong {
    color: var(--primary-color);
    font-weight: 600;
}

.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination .page-item {
    margin: 0;
}

.pagination .page-link {
    color: var(--secondary-color);
    border: 1px solid var(--light-bg);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    background: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.pagination .page-link:hover:not(.disabled) {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.pagination .page-item.active .page-link {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
    font-weight: 600;
}

.pagination .page-item.disabled .page-link {
    color: var(--medium-gray);
    border-color: var(--light-bg);
    cursor: not-allowed;
    background-color: var(--light-bg);
}

.pagination .page-item.disabled .page-link:hover {
    background-color: var(--light-bg);
    color: var(--medium-gray);
    border-color: var(--light-bg);
    transform: none;
    box-shadow: none;
}

/* Page size selector */
.page-size-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
    font-size: 13px;
}

.page-size-selector label {
    margin: 0;
    font-weight: 500;
    color: var(--text-color);
}

.page-size-selector select {
    padding: 4px 8px;
    border: 1px solid var(--light-bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-color);
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-size-selector select:hover {
    border-color: var(--secondary-color);
}

.page-size-selector select:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

/* ============================================================
   FILTER & ACTION BARS
   ============================================================ */

.filter-bar {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--light-bg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-bar > div {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
}

.filter-bar input,
.filter-bar select {
    padding: 8px 12px;
    border: 1px solid var(--light-bg);
    border-radius: var(--radius-md);
    font-size: 13px;
    height: 36px;
    line-height: 1.5;
}

.filter-bar input:focus,
.filter-bar select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
    outline: none;
}

/* ============================================================
   RESPONSIVE GRID
   ============================================================ */

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--spacing-lg);
    }

    .pagination-container {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }

    .pagination {
        justify-content: center;
    }

    .page-size-selector {
        margin-left: 0;
        justify-content: center;
    }

    .filter-bar {
        flex-direction: column;
    }

    .filter-bar > div {
        width: 100%;
        flex-direction: column;
    }

    .filter-bar input,
    .filter-bar select {
        width: 100%;
    }

    .grid-table {
        font-size: 12px;
    }

    .grid-table thead th {
        padding: 8px 10px !important;
        font-size: 10px;
    }

    .grid-table tbody td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .pagination {
        gap: 2px;
    }

    .pagination .page-link {
        padding: 4px 6px;
        min-width: 28px;
        height: 28px;
        font-size: 11px;
    }

    .grid-table {
        font-size: 11px;
    }
}

.tab-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   UPLOAD AREA
   ============================================================ */

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--light-gray);
    width: 100%;
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.upload-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

.upload-area h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.upload-area p {
    font-size: 13px;
    color: var(--dark-gray);
    margin: 0;
}

.file-input {
    display: none;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
    font-size: 12px;
    border-top: 1px solid var(--border-color);
    width: 100%;
    margin-top: auto;
}

.footer p {
    margin: 0;
    line-height: 1.6;
}

.footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--secondary-light);
    text-decoration: underline;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

/* Spacing Utilities */
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Text Alignment */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

/* Text Colors */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-muted { color: var(--dark-gray) !important; }

/* Display Utilities */
.d-flex {
    display: flex !important;
    gap: var(--spacing-md);
}

.d-flex.gap-2 {
    gap: var(--spacing-md) !important;
    margin-top: var(--spacing-xl);
}

/* Small Text */
small {
    font-size: 12px;
}

/* ============================================================
   LOGIN PAGE STYLES
   ============================================================ */

.login-page-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 65px - 80px);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #f5f7ff 0%, #e8ebf5 100%);
}

.login-card-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(52, 152, 219, 0.15);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.login-card .brand {
    text-align: center;
    margin-bottom: 30px;
}

.login-card .brand h2 {
    font-size: 28px;
    font-weight: 800;
    color: #2c3e50;
    margin: 0 0 10px 0;
    letter-spacing: 0.5px;
}

.login-card .brand h2 strong {
    background: linear-gradient(135deg, #3498db 0%, #5dade2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-card .brand p {
    color: #7f8c8d;
    font-size: 13px;
    margin: 0;
    font-weight: 500;
}

.login-card .form-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    display: block;
    font-size: 13px;
}

.login-card .form-group {
    margin-bottom: 18px;
}

.login-card .form-control {
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.login-card .form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.15);
    outline: none;
}

.login-card .form-control::placeholder {
    color: #bdc3c7;
}

.login-card .btn-login {
    width: 100%;
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border: none;
    color: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 20px;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.25);
}

.login-card .btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.35);
    color: white;
}

.login-card .btn-login:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.login-card .alert {
    border: none;
    border-radius: 8px;
    margin-bottom: 20px;
    padding: 12px 15px;
    font-size: 13px;
}

.login-card .alert-danger {
    background-color: #fadbd8;
    color: #c0392b;
    border-left: 4px solid #e74c3c;
}

.login-card .alert-danger .btn-close {
    opacity: 0.5;
}

.login-card .alert-danger .btn-close:hover {
    opacity: 0.8;
}

.login-card .signup-link {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: #7f8c8d;
}

.login-card .signup-link a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-card .signup-link a:hover {
    text-decoration: underline;
    color: #2980b9;
}

.login-card .text-danger {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

@media (max-width: 480px) {
    .login-card {
        padding: 25px;
    }

    .login-card .brand h2 {
        font-size: 24px;
    }

    .login-card .form-control {
        padding: 10px 12px;
        font-size: 16px;
    }

    .login-card .btn-login {
        padding: 10px;
        font-size: 16px;
    }
}

/* ============================================================
   CREATE USER PAGE STYLES
   ============================================================ */

.back-button-container {
    padding: var(--spacing-lg) var(--spacing-xl) 0 var(--spacing-xl);
    background-color: var(--light-gray);
}

.back-button-container .btn {
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   USERS LIST PAGE STYLES
   ============================================================ */

.users-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
}

.search-bar {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex: 0 1 auto;
}

.search-bar input {
    width: 280px;
    min-width: 200px;
}

.search-bar button {
    padding: 8px 16px;
    font-size: 13px;
    white-space: nowrap;
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 0 1 auto;
    white-space: nowrap;
}

.sort-controls label {
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
    font-size: 13px;
    color: var(--primary-color);
}

.sort-controls select {
    min-width: 140px;
    padding: 8px 12px;
}

.users-controls .btn-link {
    padding: 0;
    font-size: 13px;
    color: var(--secondary-color);
    text-decoration: none;
    margin-left: var(--spacing-sm);
}

.users-controls .btn-link:hover {
    text-decoration: underline;
    color: var(--secondary-dark);
}

.user-row {
    transition: all 0.2s ease;
}

.user-row:hover {
    background-color: #f8f9fa;
}

.pagination-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--dark-gray);
}

/* Pagination Styles */
.pagination {
    display: flex;
    list-style: none;
    margin: var(--spacing-xl) 0;
    padding: 0;
    gap: var(--spacing-xs);
}

.page-item {
    display: inline-block;
}

.page-link {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-link:hover {
    background-color: var(--light-bg);
    border-color: var(--secondary-color);
}

.page-item.active .page-link {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.page-item.disabled .page-link {
    color: var(--medium-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.stat-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    background: white;
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.stat-card.success {
    border-left: 4px solid var(--success-color);
}

.stat-card.danger {
    border-left: 4px solid var(--danger-color);
}

.stat-label {
    font-size: 12px;
    color: var(--dark-gray);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Page header with action buttons */
.page-header .d-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.page-header .d-flex > div {
    flex: 1;
}

.page-header .btn-lg {
    padding: 10px 20px;
    font-size: 14px;
    white-space: nowrap;
    margin-top: 0;
}

@media (max-width: 768px) {
    .users-controls {
        flex-direction: column;
    }

    .search-bar {
        width: 100%;
    }

    .sort-controls {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .sort-controls label {
        margin-bottom: var(--spacing-sm);
    }

    .sort-controls select {
        width: 100%;
    }

    .page-header .d-flex {
        flex-direction: column;
    }

    .page-header .btn-lg {
        width: 100%;
    }

    .users-controls button,
    .users-controls a {
        width: 100%;
    }

    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }

    .page-link {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .navbar-nav .nav-link {
        font-size: 14px;
        padding: 0 12px !important;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-nav .nav-link {
        font-size: 13px;
        padding: 0 8px !important;
    }
    
    .form-label {
        font-size: 13px !important;
    }
    
    .form-control,
    .form-select {
        font-size: 13px !important;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }
    
    .user-info {
        margin-right: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .user-details {
        display: none;
    }
    
    .page-header {
        padding: var(--spacing-lg);
    }
    
    .content-box {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 576px) {
    .navbar-custom .navbar-brand {
        font-size: 14px;
        margin-left: var(--spacing-sm);
    }
    
    .navbar-nav .nav-link {
        font-size: 12px;
        padding: 0 6px !important;
    }
    
    .page-header h1 {
        font-size: 20px;
    }
    
    .page-header h2 {
        font-size: 18px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }
    
    .content-box {
        padding: var(--spacing-md);
    }
    
    .form-label {
        font-size: 13px !important;
    }
    
    .form-control,
    .form-select {
        font-size: 13px !important;
        height: 38px !important;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
    }
    
    .d-flex.gap-2 .btn {
        width: 100%;
    }
}