/**
 * Sextant - Dark Theme Stylesheet
 * Professional dark theme inspired by parsight.fr
 */

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
    /* Background colors */
    --color-bg: #0a0a0c;
    --color-bg-elevated: #111114;
    --color-bg-card: #16161a;
    --color-bg-hover: #1e1e22;
    --color-border: #27272a;
    --color-border-light: #3f3f46;

    /* Accent - Turquoise (matching Sextant logo) */
    --color-accent: #10b981;
    --color-accent-hover: #06b6d4;
    --color-accent-light: rgba(16, 185, 129, 0.1);
    --color-accent-border: rgba(16, 185, 129, 0.3);

    /* Text colors */
    --color-text: #e4e4e7;
    --color-text-muted: #a1a1aa;
    --color-text-subtle: #71717a;

    /* Status colors */
    --color-success: #22c55e;
    --color-success-bg: rgba(34, 197, 94, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.1);

    /* Sidebar */
    --sidebar-width: 220px;
    --sidebar-collapsed-width: 56px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

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

html {
    font-size: 13px; /* Reduced from 16px for compact UI (~80% zoom) */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
}

/* Dark scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 3px;
}

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

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-light) transparent;
}

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

a:hover {
    color: var(--color-accent-hover);
}

/* =====================================================
   Layout
   ===================================================== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
    transition: margin-left var(--transition-normal);
}

.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

@media (max-width: 992px) {
    .main-content {
        margin-left: 0;
    }
}

/* =====================================================
   Sidebar
   ===================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-bg-elevated);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width var(--transition-normal);
}

.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    overflow: hidden;
}

.sidebar-toggle {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

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

.sidebar-collapsed .sidebar-toggle {
    transform: rotate(180deg);
}

.sidebar-logo-img {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.3));
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-subtitle {
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-collapsed .sidebar-brand-text {
    display: none;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) 0;
}

.nav-section {
    margin-bottom: var(--spacing-md);
}

.nav-section-title {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle);
}

.sidebar-collapsed .nav-section-title {
    display: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text);
}

.nav-item.active {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-left-color: var(--color-accent);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.nav-item span {
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-collapsed .nav-item span {
    display: none;
}

.sidebar-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.sidebar-collapsed .sidebar-footer {
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: white;
    flex-shrink: 0;
}

.user-details {
    overflow: hidden;
}

.sidebar-collapsed .user-details {
    display: none;
}

.user-name {
    font-weight: 500;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.user-role {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    line-height: 1.2;
}

.sidebar-footer .btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

.sidebar-collapsed .sidebar-footer .btn span {
    display: none;
}

.sidebar-collapsed .sidebar-footer .btn {
    padding: 0.35rem;
    width: 32px;
    height: 32px;
}

/* =====================================================
   Cards
   ===================================================== */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* =====================================================
   KPI Cards
   ===================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Fixed column grids */
.kpi-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.kpi-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 1200px) {
    .kpi-grid-4 { grid-template-columns: repeat(4, 1fr); }
    .kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .kpi-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .kpi-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .kpi-grid-4 { grid-template-columns: 1fr; }
    .kpi-grid-3 { grid-template-columns: 1fr; }
}

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

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.kpi-icon.primary {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

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

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

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

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: var(--spacing-sm);
}

.kpi-change.positive {
    color: var(--color-success);
}

.kpi-change.negative {
    color: var(--color-danger);
}

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

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

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

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text);
}

/* =====================================================
   Forms
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

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

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

/* Calculated/Read-only value display */
.calculated-value {
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    font-weight: 600;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.calculated-value.positive {
    color: var(--color-success);
}

.calculated-value.negative {
    color: var(--color-danger);
}

.form-select {
    appearance: none;
    background-color: var(--color-bg-elevated);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding: 0.625rem 2.5rem 0.625rem 1rem;
    min-height: 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-select:hover {
    border-color: var(--color-text-muted);
}

.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

/* Custom dropdown styling for dark theme */
.form-select option {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    padding: 0.5rem;
}

.form-select option:hover,
.form-select option:focus,
.form-select option:checked {
    background-color: var(--color-accent);
    color: white;
}

/* Date inputs - fully clickable */
input[type="date"],
input[type="datetime-local"],
input[type="time"] {
    position: relative;
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    background: transparent;
}

/* Firefox date styling */
input[type="date"]::-moz-calendar-picker-indicator {
    opacity: 0;
}

/* Color scheme for date inputs */
::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

/* =====================================================
   Tables
   ===================================================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background-color: var(--color-bg-elevated);
}

.table td {
    font-size: 0.875rem;
    color: var(--color-text);
}

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

/* =====================================================
   Badges
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

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

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

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

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

/* Bootstrap bg-* badge overrides for dark theme */
.badge.bg-success {
    background-color: var(--color-success) !important;
    color: #fff !important;
}

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

.badge.bg-warning {
    background-color: var(--color-warning) !important;
    color: #000 !important;
}

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

.badge.bg-secondary {
    background-color: var(--color-text-muted) !important;
    color: var(--color-bg) !important;
}

.badge.bg-primary {
    background-color: var(--color-accent) !important;
    color: #fff !important;
}

/* =====================================================
   Alerts
   ===================================================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-danger {
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-info {
    background-color: var(--color-info-bg);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

/* =====================================================
   Page Header
   ===================================================== */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--spacing-xs) 0;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* =====================================================
   Filter Bar
   ===================================================== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* =====================================================
   Login Page
   ===================================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-xl);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.login-logo-svg {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: block;
    filter: drop-shadow(0 0 12px rgba(16, 185, 129, 0.4));
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.btn-sso {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
}

/* =====================================================
   Mobile Responsive
   ===================================================== */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }

    .mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-md);
        background-color: var(--color-bg-elevated);
        border-bottom: 1px solid var(--color-border);
        margin: calc(-1 * var(--spacing-md));
        margin-bottom: var(--spacing-md);
    }

    .mobile-menu-btn {
        padding: var(--spacing-sm);
        background: none;
        border: none;
        color: var(--color-text);
        cursor: pointer;
        font-size: 1.25rem;
    }
}

@media (min-width: 993px) {
    .mobile-header {
        display: none;
    }
}

/* =====================================================
   Top Bar with Notifications Bell
   ===================================================== */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    margin: calc(-1 * var(--spacing-lg));
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.top-bar .mobile-menu-btn {
    display: none;
}

.top-bar .mobile-only {
    display: none;
}

.top-bar-spacer {
    flex: 1;
}

.notification-bell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.notification-bell:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.notification-bell i {
    font-size: 1.25rem;
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-full);
    background: var(--color-danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Notification Dropdown */
.notification-dropdown-wrapper {
    position: relative;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 20px);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    margin-top: var(--spacing-sm);
}

.notification-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

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

.notification-dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.notification-dropdown-header strong {
    color: var(--color-text);
    font-size: 0.9rem;
}

.notification-dropdown-header a {
    font-size: 0.75rem;
    text-decoration: none;
}

.notification-dropdown-body {
    max-height: 400px;
    overflow-y: auto;
}

.notification-dropdown-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.notification-dropdown-footer a {
    font-size: 0.8rem;
    color: var(--color-accent);
    text-decoration: none;
}

.notification-dropdown-footer a:hover {
    text-decoration: underline;
}

.notification-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--color-bg-hover);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item.unread {
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--color-accent);
}

.notification-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    color: white;
}

.notification-icon.bg-primary { background: var(--color-accent); }
.notification-icon.bg-success { background: var(--color-success); }
.notification-icon.bg-warning { background: var(--color-warning); }
.notification-icon.bg-danger { background: var(--color-danger); }
.notification-icon.bg-info { background: var(--color-info); }
.notification-icon.bg-secondary { background: var(--color-text-subtle); }

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-text);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-message {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-time {
    font-size: 0.7rem;
    color: var(--color-text-subtle);
}

.notification-empty,
.notification-loading {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-muted);
}

.notification-empty i,
.notification-loading i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* Mobile adjustments for notification dropdown */
@media (max-width: 576px) {
    .notification-dropdown {
        position: fixed;
        top: 60px;
        right: 10px;
        left: 10px;
        width: auto;
    }
}

.user-menu-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-initials {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile adjustments for top bar */
@media (max-width: 992px) {
    .top-bar {
        justify-content: space-between;
        padding: var(--spacing-md);
        margin: calc(-1 * var(--spacing-md));
        margin-bottom: var(--spacing-md);
    }

    .top-bar .mobile-menu-btn {
        display: flex;
        padding: var(--spacing-sm);
        background: none;
        border: none;
        color: var(--color-text);
        cursor: pointer;
        font-size: 1.25rem;
    }

    .top-bar .mobile-only {
        display: block;
        font-weight: 600;
        color: var(--color-text);
    }
}

/* =====================================================
   Utilities
   ===================================================== */
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }

/* =====================================================
   Bootstrap Modal Overrides
   ===================================================== */
.modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.25rem;
}

.modal-header .btn-close,
.btn-close {
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M2.146 2.854a.5.5 0 1 1 .708-.708L8 7.293l5.146-5.147a.5.5 0 0 1 .708.708L8.707 8l5.147 5.146a.5.5 0 0 1-.708.708L8 8.707l-5.146 5.147a.5.5 0 0 1-.708-.708L7.293 8 2.146 2.854Z'/%3E%3C/svg%3E") center/1em auto no-repeat;
    border: 0;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0.25rem;
    opacity: 0.6;
    border-radius: var(--radius-sm);
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.modal-header .btn-close:hover,
.btn-close:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.1);
}

.modal-header .btn-close:focus,
.btn-close:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.modal-body {
    padding: 1.25rem;
}

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

/* Remove Bootstrap's default hr styling in modals */
.modal hr {
    display: none;
}

/* Remove extra border/line on modal-header */
.modal-header::after {
    display: none;
}

/* Modal title styling */
.modal-title {
    color: var(--color-text);
    font-weight: 600;
}

/* Modal backdrop */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.6);
}

.modal-backdrop.show {
    opacity: 1;
}

/* =====================================================
   Bootstrap Dropdown Overrides
   ===================================================== */
.dropdown-menu {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0;
}

.dropdown-menu-custom {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.dropdown-item {
    color: var(--color-text);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: background 0.15s;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--color-bg-elevated);
    color: var(--color-text);
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--color-accent);
    color: white;
}

.dropdown-item.text-danger {
    color: var(--color-danger);
}

.dropdown-item.text-danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.dropdown-header {
    color: var(--color-text-subtle);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dropdown-divider {
    border-top: 1px solid var(--color-border);
    margin: 0.5rem 0;
}

/* =====================================================
   Additional Mobile Optimizations (Polish)
   ===================================================== */

/* Stack filter bar items on small screens */
@media (max-width: 640px) {
    .filter-bar {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .filter-bar .filter-group {
        width: 100%;
    }

    .filter-bar .filter-group .form-control,
    .filter-bar .filter-group .form-select {
        width: 100%;
        min-width: unset;
    }

    /* Page header adjustments */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .page-title {
        font-size: 1.5rem;
    }

    /* Stack buttons on small screens */
    .d-flex.gap-2 {
        flex-wrap: wrap;
    }

    /* Make cards full width */
    .card {
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    /* Form inputs larger on mobile for touch */
    .form-control,
    .form-select {
        min-height: 44px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Buttons larger for touch */
    .btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .btn-sm {
        min-height: 36px;
    }
}

/* Tablet adjustments */
@media (min-width: 641px) and (max-width: 992px) {
    .filter-bar {
        flex-wrap: wrap;
    }

    .filter-bar .filter-group {
        flex: 1 1 calc(50% - var(--spacing-md));
        min-width: 180px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .btn:hover {
        transform: none;
    }

    .card:hover {
        transform: none;
    }

    /* Larger tap targets */
    .nav-item {
        padding: var(--spacing-md);
    }

    /* Better spacing for forms */
    .form-group {
        margin-bottom: var(--spacing-md);
    }
}

/* Print styles */
@media print {
    .sidebar,
    .top-bar,
    .mobile-menu-btn,
    .notification-bell,
    .btn,
    .filter-bar {
        display: none !important;
    }

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

    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }

    body {
        background: white !important;
        color: black !important;
    }
}