/* ========================================
   DevFlow Design System
   ======================================== */

:root {
    --df-primary: #4f46e5;
    --df-primary-hover: #4338ca;
    --df-primary-light: #eef2ff;
    --df-success: #059669;
    --df-success-light: #ecfdf5;
    --df-warning: #d97706;
    --df-warning-light: #fffbeb;
    --df-danger: #dc2626;
    --df-danger-light: #fef2f2;
    --df-info: #0891b2;
    --df-info-light: #ecfeff;
    --df-text: #1e293b;
    --df-text-muted: #64748b;
    --df-border: #e2e8f0;
    --df-bg: #f8fafc;
    --df-card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --df-card-shadow-hover: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --df-radius: 0.625rem;
    --df-transition: 0.2s ease;
}

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

a, .btn-link {
    color: var(--df-primary);
    transition: color var(--df-transition);
}

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

/* ---- Buttons ---- */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all var(--df-transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    color: #fff;
    background-color: var(--df-primary);
    border-color: var(--df-primary);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--df-primary-hover);
    border-color: var(--df-primary-hover);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-success {
    background-color: var(--df-success);
    border-color: var(--df-success);
}

.btn-danger {
    background-color: var(--df-danger);
    border-color: var(--df-danger);
}

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

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.2);
}

/* ---- Content & Layout ---- */
.content {
    padding-top: 1.5rem;
}

h1:focus {
    outline: none;
}

h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--df-text);
}

/* ---- Cards ---- */
.card {
    border: 1px solid var(--df-border);
    border-radius: var(--df-radius);
    box-shadow: var(--df-card-shadow);
    transition: box-shadow var(--df-transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--df-card-shadow-hover);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--df-border);
    padding: 0.875rem 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* ---- Forms ---- */
.form-control, .form-select {
    border-radius: 0.5rem;
    border-color: var(--df-border);
    transition: border-color var(--df-transition), box-shadow var(--df-transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--df-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--df-text);
    margin-bottom: 0.375rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--df-success);
}

.invalid {
    outline: 1px solid var(--df-danger);
}

.validation-message {
    color: var(--df-danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* ---- Tables ---- */
.table {
    --bs-table-hover-bg: rgba(79, 70, 229, 0.04);
    font-size: 0.9rem;
}

.table > thead {
    border-bottom: 2px solid var(--df-border);
}

.table > thead th {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--df-text-muted);
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table > tbody > tr > td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table-hover > tbody > tr {
    cursor: default;
    transition: background-color 0.15s ease;
}

.table-hover tbody tr[style*="cursor"] td {
    transition: background-color 0.15s;
}

/* ---- Badges ---- */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    border-radius: 50rem;
    letter-spacing: 0.02em;
}

.bg-purple {
    background-color: #7c3aed !important;
}

.bg-purple.text-white {
    color: #fff !important;
}

/* ---- Alerts ---- */
.alert {
    border-radius: var(--df-radius);
    border: none;
    font-size: 0.9rem;
}

/* ---- Modals ---- */
.modal-content {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 4px 16px rgba(0,0,0,0.1);
}

.modal-header {
    border-bottom: 1px solid var(--df-border);
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--df-border);
    padding: 1rem 1.5rem;
}

.modal-title {
    font-weight: 600;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
}

.page-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

/* ---- Loading State ---- */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--df-text-muted);
}

.loading-placeholder .spinner-border {
    width: 2rem;
    height: 2rem;
    margin-bottom: 0.75rem;
    color: var(--df-primary);
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--df-text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ---- Stat Cards ---- */
.stat-card .card-body {
    padding: 1rem 1.25rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--df-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.125rem;
}

/* ---- Progress Bars ---- */
.progress {
    border-radius: 50rem;
    background-color: #e2e8f0;
}

/* ---- Error Boundary ---- */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--df-radius);
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ---- Rich Text Editor ---- */
.rich-text-editor .editor-content {
    border: 1px solid var(--df-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    background: #fff;
    min-height: 120px;
}

.rich-text-editor .editor-content:focus {
    border-color: var(--df-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
    outline: none;
}

.rich-text-editor .editor-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 0.5rem 0;
}

/* ---- Rendered HTML ---- */
.rendered-html img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

/* ---- List Group ---- */
.list-group-item {
    border-color: var(--df-border);
    transition: background-color 0.15s ease;
}

.list-group-item:hover {
    background-color: var(--df-primary-light);
}

/* ---- Misc Utilities ---- */
.text-primary {
    color: var(--df-primary) !important;
}

.border-start.border-3 {
    border-color: var(--df-primary) !important;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ---- Nav Section Divider ---- */
.nav-section-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
    padding: 0.75rem 1.25rem 0.25rem;
    font-weight: 600;
}

/* ---- User Avatar ---- */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--df-primary);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}