/* Modern Invoice Dashboard Theme
   Dark sidebar + Light content area
   Inspired by modern dashboard designs
*/

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Sidebar */
    --sidebar-bg: #1E1E2D;
    --sidebar-header-bg: #1B1B28;
    --sidebar-text: #9899AC;
    --sidebar-text-active: #FFFFFF;
    --sidebar-active-bg: rgba(54, 153, 255, 0.1);
    --sidebar-active-border: #3699FF;
    --sidebar-hover-bg: rgba(255, 255, 255, 0.05);
    --sidebar-divider: rgba(255, 255, 255, 0.1);
    --sidebar-width: 260px;

    /* Content Area */
    --content-bg: #F5F8FA;
    --card-bg: #FFFFFF;
    --border-color: #E4E6EF;

    /* Header */
    --header-bg: #FFFFFF;
    --header-height: 65px;

    /* Text */
    --text-dark: #181C32;
    --text-muted: #7E8299;
    --text-light: #B5B5C3;

    /* Accent Colors */
    --primary: #3699FF;
    --primary-light: rgba(54, 153, 255, 0.1);
    --success: #1BC5BD;
    --success-light: rgba(27, 197, 189, 0.1);
    --warning: #FFA800;
    --warning-light: rgba(255, 168, 0, 0.1);
    --danger: #F64E60;
    --danger-light: rgba(246, 78, 96, 0.1);
    --info: #8950FC;
    --info-light: rgba(137, 80, 252, 0.1);

    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.04);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 1rem 2rem rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.475rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.85rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* ========================================
   Base Styles
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--content-bg);
    color: var(--text-dark);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
}

body.sidebar-collapsed {
    --sidebar-width: 80px;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--sidebar-bg);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--sidebar-header-bg);
    border-bottom: 1px solid var(--sidebar-divider);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.sidebar-brand span {
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.sidebar-collapsed .sidebar-brand span {
    opacity: 0;
    width: 0;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    color: #fff;
    background-color: var(--sidebar-hover-bg);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem 0;
}

/* Sidebar Menu */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu-title {
    padding: 0.75rem 1.5rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-collapsed .sidebar-menu-title {
    text-align: center;
    padding: 0.75rem 0.5rem 0.5rem;
}

.sidebar-collapsed .sidebar-menu-title span {
    display: none;
}

.sidebar-collapsed .sidebar-menu-title::after {
    content: '•••';
    color: var(--text-light);
}

.sidebar-item {
    margin: 0.15rem 0.75rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.7rem 0.75rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 24px;
    flex-shrink: 0;
    text-align: center;
}

.sidebar-link span {
    margin-left: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    overflow: hidden;
}

.sidebar-collapsed .sidebar-link span {
    opacity: 0;
    width: 0;
    margin-left: 0;
}

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

.sidebar-link.active {
    color: var(--sidebar-text-active);
    background-color: var(--sidebar-active-bg);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background-color: var(--sidebar-active-border);
    border-radius: 0 3px 3px 0;
}

/* Sidebar Submenu */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.sidebar-item.open > .sidebar-submenu {
    max-height: 500px;
}

.sidebar-submenu .sidebar-link {
    padding-left: 3rem;
    font-size: 0.85rem;
}

.sidebar-submenu .sidebar-link::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--sidebar-text);
    transition: background-color var(--transition-fast);
}

.sidebar-submenu .sidebar-link:hover::before,
.sidebar-submenu .sidebar-link.active::before {
    background-color: var(--primary);
}

.sidebar-collapsed .sidebar-submenu {
    display: none;
}

/* Dropdown Arrow */
.sidebar-link .dropdown-arrow {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.sidebar-item.open > .sidebar-link .dropdown-arrow {
    transform: rotate(90deg);
}

.sidebar-collapsed .sidebar-link .dropdown-arrow {
    display: none;
}

/* Sidebar Badge */
.sidebar-badge {
    margin-left: auto;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 0.375rem;
    background-color: var(--danger);
    color: #fff;
}

.sidebar-collapsed .sidebar-badge {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    padding: 0.15rem 0.35rem;
    font-size: 0.6rem;
    margin-left: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--sidebar-divider);
}

/* ========================================
   Main Content Wrapper
   ======================================== */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-normal);
}

/* ========================================
   Top Header
   ======================================== */
.top-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 1040;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Header Search */
.header-search {
    position: relative;
}

.header-search input {
    width: 250px;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background-color: var(--content-bg);
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #fff;
    box-shadow: 0 0 0 3px var(--primary-light);
}

.header-search i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Header Icon Buttons */
.header-icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background-color: var(--content-bg);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

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

.header-icon-btn .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

/* Header User Dropdown */
.header-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--content-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.header-user:hover {
    background-color: #E8E8E8;
}

.header-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.header-user-info {
    text-align: left;
}

.header-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.2;
}

.header-user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   Main Content Area
   ======================================== */
.main-content {
    flex: 1;
    padding: 1.5rem;
}

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

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title i {
    color: var(--primary);
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: normal;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background-color: var(--card-bg);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5,
.card-header h6 {
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h5 i,
.card-header h6 i {
    color: var(--primary);
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

/* Stat Cards */
.stat-card {
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-card-title {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.stat-card-subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.stat-card.primary { background: linear-gradient(135deg, #3699FF 0%, #2676D6 100%); }
.stat-card.success { background: linear-gradient(135deg, #1BC5BD 0%, #13A89E 100%); }
.stat-card.warning { background: linear-gradient(135deg, #FFA800 0%, #E09500 100%); }
.stat-card.danger { background: linear-gradient(135deg, #F64E60 0%, #D9364B 100%); }
.stat-card.info { background: linear-gradient(135deg, #1BC5BD 0%, #0dcaf0 100%); }
.stat-card.dark { background: linear-gradient(135deg, #181C32 0%, #2D3148 100%); }
.stat-card.secondary { background: linear-gradient(135deg, #6c757d 0%, #565e64 100%); }

/* Light stat cards */
.stat-card-light {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card-light:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card-light .stat-card-icon {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-card-light .stat-card-title {
    color: var(--text-muted);
    opacity: 1;
}

.stat-card-light .stat-card-value {
    color: var(--text-dark);
}

.stat-card-light.success .stat-card-icon {
    background: var(--success-light);
    color: var(--success);
}

.stat-card-light.warning .stat-card-icon {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-card-light.danger .stat-card-icon {
    background: var(--danger-light);
    color: var(--danger);
}

/* ========================================
   Tables
   ======================================== */
.table-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-card .card-header {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modern-table {
    width: 100%;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.modern-table thead {
    background-color: #FAFBFC;
}

.modern-table thead th {
    padding: 0.875rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

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

.modern-table tbody tr:hover {
    background-color: #F9FAFC;
}

.modern-table tbody td {
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

/* Table with clickable rows */
.modern-table.clickable-rows tbody tr {
    cursor: pointer;
}

.modern-table.clickable-rows tbody tr:hover {
    background-color: var(--primary-light);
}

/* Sortable headers */
.modern-table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
}

.modern-table th.sortable:hover {
    background-color: #F0F2F5;
    color: var(--text-dark);
}

.modern-table th.sortable i {
    margin-left: 0.25rem;
    font-size: 0.65rem;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.modern-table th.sortable:hover i {
    opacity: 1;
}

/* Compact table variant */
.modern-table.compact thead th {
    padding: 0.625rem 0.75rem;
    font-size: 0.7rem;
}

.modern-table.compact tbody td {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn i {
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #2676D6;
    border-color: #2676D6;
}

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

.btn-success:hover {
    background-color: #13A89E;
    border-color: #13A89E;
}

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

.btn-warning:hover {
    background-color: #E09500;
    border-color: #E09500;
    color: #fff;
}

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

.btn-danger:hover {
    background-color: #D9364B;
    border-color: #D9364B;
}

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

.btn-info:hover {
    background-color: #7337EE;
    border-color: #7337EE;
    color: #fff;
}

/* Light button variants */
.btn-light-primary {
    background-color: var(--primary-light);
    color: var(--primary);
    border: none;
}

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

.btn-light-success {
    background-color: var(--success-light);
    color: var(--success);
    border: none;
}

.btn-light-success:hover {
    background-color: var(--success);
    color: #fff;
}

.btn-light-warning {
    background-color: var(--warning-light);
    color: var(--warning);
    border: none;
}

.btn-light-warning:hover {
    background-color: var(--warning);
    color: #fff;
}

.btn-light-danger {
    background-color: var(--danger-light);
    color: var(--danger);
    border: none;
}

.btn-light-danger:hover {
    background-color: var(--danger);
    color: #fff;
}

/* Small buttons */
.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-sm i {
    font-size: 0.85rem;
}

/* ========================================
   Badges
   ======================================== */
.badge {
    font-weight: 500;
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

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

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

.badge-light-warning {
    background-color: var(--warning-light);
    color: #946600;
}

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

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

.badge-light-secondary {
    background-color: rgba(108, 117, 125, 0.1);
    color: #6c757d;
}

/* ========================================
   Forms
   ======================================== */
.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    color: var(--text-dark);
    background-color: #fff;
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    outline: none;
}

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

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* Input group */
.input-group-text {
    background-color: #FAFBFC;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
}

.alert-success {
    background-color: var(--success-light);
    color: #0D6B67;
}

.alert-warning {
    background-color: var(--warning-light);
    color: #8A6300;
}

.alert-danger {
    background-color: var(--danger-light);
    color: #C03744;
}

.alert-info {
    background-color: var(--primary-light);
    color: #1D6CBE;
}

/* ========================================
   Dropdowns
   ======================================== */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
    min-width: 200px;
}

.dropdown-item {
    padding: 0.6rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-fast);
}

.dropdown-item i {
    font-size: 1rem;
    color: var(--text-muted);
    width: 20px;
    text-align: center;
}

.dropdown-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.dropdown-item:hover i {
    color: var(--primary);
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: 0.5rem 0;
}

/* ========================================
   Footer
   ======================================== */
.main-footer {
    padding: 1rem 1.5rem;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   Utilities
   ======================================== */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-dark { color: var(--text-dark) !important; }

.bg-primary-light { background-color: var(--primary-light) !important; }
.bg-success-light { background-color: var(--success-light) !important; }
.bg-warning-light { background-color: var(--warning-light) !important; }
.bg-danger-light { background-color: var(--danger-light) !important; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 991.98px) {
    :root {
        --sidebar-width: 0;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1045;
    }

    .sidebar.show + .sidebar-overlay {
        display: block;
    }

    .mobile-toggle {
        display: flex !important;
    }
}

@media (min-width: 992px) {
    .mobile-toggle {
        display: none !important;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-search input {
        width: 180px;
    }

    .header-user-info {
        display: none;
    }
}

/* Mobile adjustments */
@media (max-width: 576px) {
    .top-header {
        padding: 0 1rem;
    }

    .header-search {
        display: none;
    }

    .stat-card {
        margin-bottom: 1rem;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

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

/* ========================================
   Chart Containers
   ======================================== */
.chart-container {
    position: relative;
    height: 300px;
}

.chart-container canvas {
    max-height: 100%;
}

/* ========================================
   Loading State
   ======================================== */
.spinner-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner-border {
    width: 2.5rem;
    height: 2.5rem;
    border-width: 0.2em;
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .sidebar,
    .top-header,
    .main-footer,
    .btn,
    .page-header .btn {
        display: none !important;
    }

    .main-wrapper {
        margin-left: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}