:root {
    --sidebar-width: 250px;
}

* {
    -webkit-tap-highlight-color: transparent;
}

body {
    min-height: 100vh;
    background-color: var(--bs-body-bg);
    overflow-x: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    padding: 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    overflow-y: auto;
    transition: transform 0.3s ease-in-out;
}

.sidebar .nav-link {
    border-radius: 0;
    padding: 0.75rem 1rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-left: 3px solid #52b3ca;
}

.sidebar-heading {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease-in-out;
}

.top-navbar {
    height: 56px;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .1);
    position: sticky;
    top: 0;
    z-index: 1030;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--bs-primary);
    font-size: 1.5rem;
    padding: 0.25rem 0.5rem;
    margin-right: 0.5rem;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

.notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 0.65rem;
}

/* Touch-friendly buttons */
.btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

/* Form improvements */
.form-control, .form-select {
    min-height: 44px;
}

/* Card improvements */
.card {
    margin-bottom: 1rem;
}

/* Table improvements */
.table {
    font-size: 0.9rem;
}

.table-responsive {
    -webkit-overflow-scrolling: touch;
}

/* Mobile-specific styles */
@media (max-width: 767.98px) {
    .mobile-menu-btn {
        display: inline-block;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        max-width: 85vw;
    }

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

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

    /* Larger touch targets on mobile */
    .nav-link {
        padding: 1rem !important;
        font-size: 1rem;
    }

    /* Stack card elements on mobile */
    .card-header .d-flex {
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    .card-header .btn {
        margin-top: 0.5rem;
        width: 100%;
    }

    /* Full-width buttons on mobile */
    .btn-group {
        width: 100%;
    }

    .btn-group .btn {
        flex: 1;
    }

    /* Adjust font sizes */
    h2 {
        font-size: 1.5rem;
    }

    h4 {
        font-size: 1.25rem;
    }

    /* Better spacing */
    .container-fluid {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }

    /* Dropdown improvements */
    .dropdown-menu {
        position: fixed !important;
        top: auto !important;
        left: 0.5rem !important;
        right: 0.5rem !important;
        bottom: 0.5rem !important;
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 991.98px) {
    .sidebar {
        width: 220px;
    }

    .main-content {
        margin-left: 220px;
    }
}

/* Print styles */
@media print {
    .sidebar, .top-navbar, .mobile-menu-btn, .sidebar-overlay {
        display: none !important;
    }

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

/* White breadcrumb styling */
.breadcrumb-item,
.breadcrumb-item a,
.breadcrumb-item.active,
.breadcrumb {
    color: #ffffff !important;
}
.breadcrumb-item + .breadcrumb-item::before {
    color: #ffffff !important;
}

/* Fix navbar text colors for white background */
.top-navbar.navbar-light.bg-white {
    background-color: #ffffff !important;
}
.top-navbar.navbar-light.bg-white .navbar-text,
.top-navbar.navbar-light.bg-white .nav-link,
.top-navbar.navbar-light.bg-white .nav-link span,
.top-navbar.navbar-light.bg-white .dropdown-toggle,
.top-navbar.navbar-light.bg-white .dropdown-menu .dropdown-item {
    color: #212529 !important;
}
.top-navbar.navbar-light.bg-white .nav-link:hover,
.top-navbar.navbar-light.bg-white .dropdown-toggle:hover {
    color: #000000 !important;
}
.top-navbar.navbar-light.bg-white .dropdown-menu {
    background-color: #ffffff !important;
    border-color: rgba(0,0,0,0.15) !important;
}
.top-navbar.navbar-light.bg-white .dropdown-menu .dropdown-header {
    color: #212529 !important;
}
.top-navbar.navbar-light.bg-white .dropdown-menu .dropdown-divider {
    border-color: rgba(0,0,0,0.175) !important;
}
.top-navbar.navbar-light.bg-white .dropdown-menu .text-muted {
    color: #6c757d !important;
}
.top-navbar.navbar-light.bg-white .dropdown-menu .text-danger {
    color: #dc3545 !important;
}
/* Ensure icons are visible */
.top-navbar.navbar-light.bg-white .nav-link i.bi {
    color: #212529 !important;
}

/* Dark mode safety net: prevent bg-white card headers causing invisible text */
[data-bs-theme="dark"] .card-header.bg-white {
    background-color: var(--bs-card-cap-bg) !important;
    color: var(--bs-body-color) !important;
}
[data-bs-theme="dark"] .bg-white {
    background-color: var(--bs-body-bg) !important;
}
[data-bs-theme="dark"] .text-dark {
    color: var(--bs-body-color) !important;
}