/* Task Tracker - Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --sidebar-bg: linear-gradient(180deg, #0f172a 0%, #1e3a5f 100%);
    --tt-bg: #f8fafc;
    --tt-text: #1e293b;
    --tt-card-bg: #ffffff;
    --tt-border: #e2e8f0;
}

[data-bs-theme="dark"] {
    --tt-bg: #0f172a;
    --tt-text: #e2e8f0;
    --tt-card-bg: #1e293b;
    --tt-border: #334155;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--tt-bg);
    color: var(--tt-text);
}

/* Primary colors */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}
.text-primary { color: var(--primary) !important; }

/* Focus states */
.btn:focus, .btn:active:focus, .form-control:focus, .form-check-input:focus, .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    border-color: var(--primary);
}

/* Sidebar links */
.sidebar-link {
    transition: background-color 0.15s ease;
    opacity: 0.85;
}
.sidebar-link:hover, .sidebar-link.active {
    background-color: rgba(255, 255, 255, 0.15) !important;
    opacity: 1;
}

/* Cards */
.card {
    border-radius: 0.75rem;
    transition: box-shadow 0.15s ease;
    background-color: var(--tt-card-bg);
}
.task-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

/* Table hover */
.table-hover tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.04);
}

/* Dark mode overrides */
[data-bs-theme="dark"] .card {
    border-color: var(--tt-border);
    background-color: var(--tt-card-bg);
}
[data-bs-theme="dark"] .bg-white {
    background-color: var(--tt-card-bg) !important;
}
[data-bs-theme="dark"] .bg-light {
    background-color: #1e293b !important;
}
[data-bs-theme="dark"] .table-light {
    --bs-table-bg: #1e293b;
    --bs-table-border-color: #334155;
    --bs-table-color: #e2e8f0;
}
[data-bs-theme="dark"] .text-dark {
    color: #e2e8f0 !important;
}
[data-bs-theme="dark"] .text-muted {
    color: #94a3b8 !important;
}
[data-bs-theme="dark"] .border-bottom {
    border-color: var(--tt-border) !important;
}
[data-bs-theme="dark"] .border-top {
    border-color: var(--tt-border) !important;
}
[data-bs-theme="dark"] main {
    background-color: var(--tt-bg) !important;
}
[data-bs-theme="dark"] body {
    background-color: var(--tt-bg);
    color: var(--tt-text);
}

/* Dark mode - tables */
[data-bs-theme="dark"] .table {
    --bs-table-bg: var(--tt-card-bg);
    --bs-table-color: #e2e8f0;
    --bs-table-border-color: #334155;
    --bs-table-hover-bg: rgba(37, 99, 235, 0.08);
    --bs-table-hover-color: #e2e8f0;
}
[data-bs-theme="dark"] .table thead th {
    color: #cbd5e1;
}

/* Dark mode - forms */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}
[data-bs-theme="dark"] .form-control::placeholder {
    color: #64748b;
}
[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: #0f172a;
    border-color: var(--primary);
    color: #e2e8f0;
}
[data-bs-theme="dark"] .form-label {
    color: #cbd5e1;
}
[data-bs-theme="dark"] .form-text {
    color: #64748b !important;
}
[data-bs-theme="dark"] .form-check-label {
    color: #e2e8f0;
}
[data-bs-theme="dark"] .input-group-text {
    background-color: #1e293b;
    border-color: #334155;
    color: #94a3b8;
}

/* Dark mode - modals */
[data-bs-theme="dark"] .modal-content {
    background-color: var(--tt-card-bg);
    border-color: var(--tt-border);
}
[data-bs-theme="dark"] .modal-header {
    border-color: var(--tt-border);
    color: #e2e8f0;
}
[data-bs-theme="dark"] .modal-footer {
    border-color: var(--tt-border);
}
[data-bs-theme="dark"] .modal-title {
    color: #e2e8f0;
}

/* Dark mode - alerts */
[data-bs-theme="dark"] .alert-success {
    background-color: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: #4ade80;
}
[data-bs-theme="dark"] .alert-danger {
    background-color: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Dark mode - badges & misc */
[data-bs-theme="dark"] .badge.bg-light {
    background-color: #334155 !important;
    color: #e2e8f0 !important;
}
[data-bs-theme="dark"] .bg-primary-subtle {
    background-color: rgba(37, 99, 235, 0.2) !important;
}
[data-bs-theme="dark"] .list-group-item {
    background-color: var(--tt-card-bg);
    border-color: var(--tt-border);
    color: #e2e8f0;
}
[data-bs-theme="dark"] .card-header {
    background-color: var(--tt-card-bg) !important;
    border-color: var(--tt-border);
    color: #e2e8f0;
}

/* Dark mode - buttons */
[data-bs-theme="dark"] .btn-outline-secondary {
    border-color: #475569;
    color: #cbd5e1;
}
[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: #334155;
    border-color: #475569;
    color: #e2e8f0;
}
[data-bs-theme="dark"] .btn-outline-primary {
    color: #60a5fa;
    border-color: #60a5fa;
}
[data-bs-theme="dark"] .btn-outline-danger {
    color: #f87171;
    border-color: #f87171;
}

/* Dark mode - breadcrumb */
[data-bs-theme="dark"] .breadcrumb-item a {
    color: #60a5fa;
}
[data-bs-theme="dark"] .breadcrumb-item.active {
    color: #94a3b8;
}
[data-bs-theme="dark"] .breadcrumb-item + .breadcrumb-item::before {
    color: #64748b;
}

/* Dark mode - headings & text */
[data-bs-theme="dark"] h1, [data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3, [data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5, [data-bs-theme="dark"] h6 {
    color: #f1f5f9;
}
[data-bs-theme="dark"] p {
    color: #cbd5e1;
}
[data-bs-theme="dark"] .fw-semibold,
[data-bs-theme="dark"] .fw-bold {
    color: #f1f5f9;
}
[data-bs-theme="dark"] small {
    color: #94a3b8;
}
[data-bs-theme="dark"] .card-body .fw-semibold {
    color: #f1f5f9;
}

/* Dark mode - discussion & detail */
[data-bs-theme="dark"] .discussion-list > div {
    border-color: var(--tt-border) !important;
}

/* Dark mode - desktop top bar */
[data-bs-theme="dark"] .border-bottom.bg-white {
    background-color: var(--tt-card-bg) !important;
    border-color: var(--tt-border) !important;
}

/* Dark mode - scrollbar */
[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #475569;
}
[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Validation */
.valid.modified:not([type=checkbox]) { outline: 1px solid #22c55e; }
.invalid { outline: 1px solid #ef4444; }
.validation-message { color: #ef4444; font-size: 0.875rem; }

/* Error boundary */
.blazor-error-boundary {
    background: #dc2626;
    padding: 1rem;
    color: white;
    border-radius: 0.5rem;
    margin: 1rem;
}
.blazor-error-boundary::after {
    content: "An error has occurred. Please reload the page.";
}

/* Badge improvements */
.badge { font-weight: 500; }

/* Nav pills active */
.nav-pills .nav-link.active {
    background-color: var(--primary);
}
.nav-pills .nav-link {
    color: #475569;
    font-size: 0.875rem;
}

/* Discussion thread */
.discussion-list > div:last-child {
    border-bottom: none !important;
}

/* Photo gallery */
.photo-thumbnail img {
    transition: transform 0.15s ease;
}
.photo-thumbnail img:hover {
    transform: scale(1.05);
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .sidebar { display: none !important; }
}