:root,
[data-theme="light"] {
    --primary: #0ea5e9;
    --surface: #f8fafc;
    --background: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border: #e2e8f0;
}

[data-theme="dark"] {
    --primary: #0ea5e9;
    --surface: #1e293b;
    --background: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
}

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

main[role="main"] {
    flex: 1 0 auto;
}

/* Navigation — handled by inline styles in _Layout.cshtml */

/* Cards */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

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

/* Theme Toggle — handled by inline styles in _Layout.cshtml */

/* Form Controls */
.form-control, .form-select {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    background-color: var(--surface);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(14, 165, 233, 0.15);
}

/* Gradients */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary), #38bdf8);
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeUp {
    animation: fadeUp 0.5s ease-out forwards;
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), #38bdf8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

/* Footer */
.footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border);
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Dropdown */
.dropdown-menu {
    background-color: var(--surface);
    border: 1px solid var(--border);
}

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

.dropdown-item:hover {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

/* =========================================
   Dark Mode — comprehensive overrides
   ========================================= */

/* Navbar — dark mode handled by inline styles in _Layout.cshtml */

/* Links & text */
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item) {
    color: var(--text-secondary);
}
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item):hover {
    color: var(--primary);
}
[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(--text-primary);
}
[data-theme="dark"] p {
    color: var(--text-secondary);
}
[data-theme="dark"] strong {
    color: var(--text-primary);
}
[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .text-white {
    color: var(--text-primary) !important;
}

/* Cards */
[data-theme="dark"] .card {
    background-color: var(--surface) !important;
    border-color: var(--border) !important;
}
[data-theme="dark"] .card:hover {
    box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.4);
}

/* Badges */
[data-theme="dark"] .badge.bg-light {
    background-color: var(--surface) !important;
    color: var(--text-primary) !important;
}

/* Form controls */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="dark"] .form-control::placeholder {
    color: var(--text-secondary);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--surface);
    border-color: var(--primary);
    color: var(--text-primary);
}
[data-theme="dark"] .form-floating label {
    color: var(--text-secondary);
}

/* Tables */
[data-theme="dark"] .table {
    color: var(--text-primary);
}
[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
    border-color: var(--border);
    color: var(--text-primary);
}

/* Footer */
[data-theme="dark"] .footer {
    background-color: var(--surface) !important;
    border-top-color: var(--border) !important;
}
[data-theme="dark"] .footer h5 {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .footer .text-muted,
[data-theme="dark"] .footer a {
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .footer a:hover {
    color: var(--primary) !important;
}
[data-theme="dark"] hr {
    border-color: var(--border) !important;
}

/* Dropdown */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--surface) !important;
    border-color: var(--border) !important;
}
[data-theme="dark"] .dropdown-item {
    color: var(--text-primary) !important;
}
[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: rgba(14, 165, 233, 0.1) !important;
    color: var(--primary) !important;
}

/* Alerts */
[data-theme="dark"] .alert-info {
    background-color: rgba(14,165,233,0.1);
    border-color: rgba(14,165,233,0.2);
    color: var(--text-primary);
}

/* bg-white / bg-light overrides */
[data-theme="dark"] .bg-white {
    background-color: var(--surface) !important;
}
[data-theme="dark"] .bg-light {
    background-color: var(--background) !important;
}

/* List group */
[data-theme="dark"] .list-group-item {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text-primary);
}

/* Accordion */
[data-theme="dark"] .accordion-item {
    background-color: var(--surface);
    border-color: var(--border);
}
[data-theme="dark"] .accordion-button {
    background-color: var(--surface);
    color: var(--text-primary);
}
[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: rgba(14,165,233,0.08);
    color: var(--primary);
}

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

/* Breadcrumb */
[data-theme="dark"] .breadcrumb-item,
[data-theme="dark"] .breadcrumb-item a {
    color: var(--text-secondary);
}
[data-theme="dark"] .breadcrumb-item.active {
    color: var(--text-primary);
}

/* Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
}
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--background);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}