/* ── Dark Mode ── */
[data-theme="dark"] {
    --dm-bg: #1a1d23;
    --dm-bg-card: #22252b;
    --dm-bg-input: #2a2d35;
    --dm-border: #3a3d45;
    --dm-text: #e0e0e0;
    --dm-text-muted: #9a9da5;
    --dm-link: #6ea8fe;
}

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

[data-theme="dark"] .container,
[data-theme="dark"] main {
    color: var(--dm-text);
}

/* Cards */
[data-theme="dark"] .card {
    background-color: var(--dm-bg-card) !important;
    border-color: var(--dm-border) !important;
    color: var(--dm-text) !important;
}
[data-theme="dark"] .card-header {
    border-color: var(--dm-border) !important;
}
[data-theme="dark"] .card-body {
    color: var(--dm-text) !important;
}

/* Tables */
[data-theme="dark"] .table {
    color: var(--dm-text) !important;
    --bs-table-bg: var(--dm-bg-card);
    --bs-table-striped-bg: #282b33;
    --bs-table-hover-bg: #2f323a;
    border-color: var(--dm-border) !important;
}
[data-theme="dark"] .table-dark {
    --bs-table-bg: #2c3040;
    --bs-table-border-color: #3a3e4e;
}
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: #282b33;
    color: var(--dm-text);
}
[data-theme="dark"] .table > :not(caption) > * > * {
    border-bottom-color: var(--dm-border);
}

/* Forms */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--dm-bg-input) !important;
    border-color: var(--dm-border) !important;
    color: var(--dm-text) !important;
}
[data-theme="dark"] .form-control::placeholder {
    color: var(--dm-text-muted) !important;
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    border-color: #6ea8fe !important;
    box-shadow: 0 0 0 0.25rem rgba(110, 168, 254, 0.25) !important;
}
[data-theme="dark"] .form-label {
    color: var(--dm-text) !important;
}
[data-theme="dark"] .form-check-label {
    color: var(--dm-text) !important;
}

/* Alerts */
[data-theme="dark"] .alert-secondary {
    background-color: #2a2d35 !important;
    border-color: var(--dm-border) !important;
    color: var(--dm-text) !important;
}

/* Breadcrumbs */
[data-theme="dark"] .breadcrumb {
    background-color: transparent;
}
[data-theme="dark"] .breadcrumb-item a {
    color: var(--dm-link) !important;
}
[data-theme="dark"] .breadcrumb-item.active {
    color: var(--dm-text-muted) !important;
}

/* Links */
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item):not(.navbar-brand) {
    color: var(--dm-link);
}

/* Dropdown */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--dm-bg-card) !important;
    border-color: var(--dm-border) !important;
}
[data-theme="dark"] .dropdown-item {
    color: var(--dm-text) !important;
}
[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: #2f323a !important;
}
[data-theme="dark"] .dropdown-divider {
    border-color: var(--dm-border) !important;
}

/* Text utilities */
[data-theme="dark"] .text-muted {
    color: var(--dm-text-muted) !important;
}
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--dm-text) !important;
}

/* Footer */
[data-theme="dark"] .footer {
    background-color: var(--dm-bg-card);
    border-color: var(--dm-border) !important;
    color: var(--dm-text-muted) !important;
}

/* Modal */
[data-theme="dark"] .modal-content {
    background-color: var(--dm-bg-card) !important;
    border-color: var(--dm-border) !important;
    color: var(--dm-text) !important;
}
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--dm-border) !important;
}

/* List group */
[data-theme="dark"] .list-group-item {
    background-color: var(--dm-bg-card) !important;
    border-color: var(--dm-border) !important;
    color: var(--dm-text) !important;
}

/* Toggle button */
.dark-mode-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 0;
    margin-left: 0.5rem;
}
.dark-mode-toggle:hover {
    background: rgba(255,255,255,0.15);
    transform: rotate(30deg);
}
[data-theme="dark"] .dark-mode-toggle {
    border-color: rgba(255,255,255,0.3);
    color: #ffc107;
}

/* Smooth transition */
body, .card, .table, .form-control, .form-select, .modal-content, .footer, .dropdown-menu {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}