/* Dark Theme */
:root[data-theme="dark"] {
    /* Primary Colors - Adjusted for dark mode */
    --bs-primary: #4a9eff;
    --bs-secondary: #adb5bd;
    --bs-success: #5cb85c;
    --bs-info: #5bc0de;
    --bs-warning: #f0ad4e;
    --bs-danger: #d9534f;
    
    /* Background Colors */
    --bg-body: #1a1d23;
    --bg-card: #2b2f36;
    --bg-secondary: #212529;
    --bg-tertiary: #343a40;
    
    /* Text Colors */
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #868e96;
    
    /* Border Colors */
    --border-color: #495057;
    --border-light: #3d4449;
    
    /* Component Colors */
    --navbar-bg: #212529;
    --navbar-text: #e9ecef;
    --card-shadow: rgba(0, 0, 0, 0.5);
    --table-stripe: rgba(255, 255, 255, 0.05);
    
    /* Chart Colors */
    --chart-pm10: #5a9ee8;
    --chart-pm25: #7fb584;
    --chart-border: #495057;
    --chart-text: #adb5bd;
}

body[data-theme="dark"] {
    background-color: var(--bg-body);
    color: var(--text-primary);
}

body[data-theme="dark"] .card {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    box-shadow: 0 0.125rem 0.25rem var(--card-shadow);
    color: var(--text-primary);
}

body[data-theme="dark"] .card-header {
    background-color: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

body[data-theme="dark"] .navbar {
    background-color: var(--navbar-bg) !important;
}

body[data-theme="dark"] .navbar-dark .navbar-nav .nav-link {
    color: var(--navbar-text);
}

body[data-theme="dark"] .table {
    color: var(--text-primary);
    border-color: var(--border-color);

    /* Override Bootstrap table vars for dark mode consistency */
    --bs-table-bg: var(--bg-card);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.05);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-active-bg: rgba(255, 255, 255, 0.08);
    --bs-table-active-color: var(--text-primary);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.06);
    --bs-table-hover-color: var(--text-primary);
}

body[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--table-stripe);
    color: var(--text-primary);
}

body[data-theme="dark"] .table > :not(caption) > * > * {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

body[data-theme="dark"] .table thead th {
    border-color: var(--border-color);
    background-color: var(--bg-tertiary);
}

body[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

body[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

body[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

body[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

body[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--bg-tertiary);
}

body[data-theme="dark"] .form-control,
body[data-theme="dark"] .form-select {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body[data-theme="dark"] .form-control:focus,
body[data-theme="dark"] .form-select:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--bs-primary);
    color: var(--text-primary);
}

body[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

body[data-theme="dark"] .btn-outline-primary {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
}

body[data-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--bs-primary);
    color: #fff;
}

body[data-theme="dark"] .alert {
    border-color: var(--border-color);
}

body[data-theme="dark"] .alert-success {
    background-color: #1e4620;
    border-color: #2d5a2e;
    color: #c3e6cb;
}

body[data-theme="dark"] .alert-danger {
    background-color: #4a1f1f;
    border-color: #5e2929;
    color: #f5c6cb;
}

body[data-theme="dark"] .alert-info {
    background-color: #1f3a4a;
    border-color: #2d4d5e;
    color: #bee5eb;
}

body[data-theme="dark"] .modal-content {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

body[data-theme="dark"] .modal-header {
    border-bottom-color: var(--border-color);
}

body[data-theme="dark"] .modal-footer {
    border-top-color: var(--border-color);
}

body[data-theme="dark"] .footer {
    background-color: var(--bg-secondary);
    border-top-color: var(--border-color);
    color: var(--text-secondary);
}

body[data-theme="dark"] .badge {
    border: 1px solid var(--border-color);
}

body[data-theme="dark"] .list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body[data-theme="dark"] .list-group-item:hover {
    background-color: var(--bg-tertiary);
}

body[data-theme="dark"] input[type="date"],
body[data-theme="dark"] input[type="time"],
body[data-theme="dark"] input[type="datetime-local"] {
    color-scheme: dark;
}

body[data-theme="dark"] .table-responsive {
    scrollbar-color: #5b636a #2b2f36;
}

body[data-theme="dark"] .table-responsive::-webkit-scrollbar {
    height: 10px;
    width: 10px;
}

body[data-theme="dark"] .table-responsive::-webkit-scrollbar-track {
    background: #2b2f36;
    border-radius: 8px;
}

body[data-theme="dark"] .table-responsive::-webkit-scrollbar-thumb {
    background: #5b636a;
    border-radius: 8px;
    border: 2px solid #2b2f36;
}

body[data-theme="dark"] .table-responsive::-webkit-scrollbar-thumb:hover {
    background: #6c757d;
}