:root {
    --color-primary-darkest: #091413;
    --color-primary-dark: #285A48;
    --color-primary: #408A71;
    --color-primary-light: #8FD0B3;

    --color-success: #28a745;
    --color-success-light: #e6f4ea;
    --color-success-dark: #1e7e34;
    --color-success-border: #c3e6cb;

    --color-warning: #ffc107;
    --color-warning-light: #fff8e1;
    --color-warning-dark: #f57f17;
    --color-warning-border: #ffeeba;

    --color-danger: #dc3545;
    --color-danger-light: #fce8e8;
    --color-danger-dark: #c62828;
    --color-danger-border: #f5c6cb;

    --color-info: #17a2b8;
    --color-info-light: #e1f5fe;
    --color-info-dark: #0277bd;
    --color-info-border: #b3e5fc;

    --color-special: #8b5cf6;
    --color-special-light: #f3e8fd;
    --color-special-dark: #6b21a8;
    --color-special-border: #ddd6fe;

    --color-secondary-bg: #eeeeee;
    --color-secondary-text: #424242;

    --color-background: #ffffff;
    --color-surface: #f5f5f5;
    --color-border: #dee2e6;

    --color-text: #1a1a2e;
    --color-text-muted: #565E64;
    --color-text-light: #ffffff;
}

body {
    margin: 0;
    font-family: 'Atkinson Hyperlegible', sans-serif;
}

h1:focus {
    outline: none;
}

.tab-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 200px;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    font-style: italic;
}

/* Auth pages (Login, ChangePassword) */

.auth-page {
    position: fixed;
    inset: 0;
    overflow-y: auto;
    background-color: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-main {
    width: 100%;
    max-width: 420px;
}

.auth-container {
    width: 100%;
}

.auth-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.auth-card h2 {
    margin: 0 0 1.5rem;
    color: var(--color-primary-dark);
    font-size: 1.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
}

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

/* Form elements (used on auth pages) */

.mb-3 {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.required-marker {
    color: var(--color-danger);
    margin-left: 2px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-sizing: border-box;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(64, 138, 113, 0.15);
}

/* Accessible form-card pattern — large fields, semantic grouping. */
/* Used by user-facing forms where accessibility is a primary concern. */

.form-card-page {
    font-size: 1.125rem;
    line-height: 1.55;
}

.form-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 1rem;
}

.form-card-grid--single {
    grid-template-columns: 1fr;
    max-width: 720px;
}

.form-card {
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background-color: var(--color-surface);
    margin: 0;
}

.form-card-heading {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    padding: 0 0 0.5rem 0;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.form-card-field {
    margin-bottom: 1.25rem;
}

.form-card-field .form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.form-card .form-control,
.form-card-field .form-control {
    width: 100%;
    min-height: 48px;
    padding: 0.6rem 0.75rem;
    font-size: 1.0625rem;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-background);
    color: var(--color-text);
}

.form-card .form-control:focus-visible,
.form-card-field .form-control:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-color: var(--color-primary);
}

.form-card .form-control:disabled,
.form-card-field .form-control:disabled {
    background-color: var(--color-surface);
    color: var(--color-text);
    cursor: default;
    opacity: 1;
}

.form-card-hint {
    margin-top: 0.25rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.form-card-error {
    margin-top: 0.25rem;
    color: var(--color-danger);
    font-weight: 600;
}

.form-card-error:empty {
    display: none;
}

.form-card-empty {
    padding: 1.5rem;
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
    font-size: 1.125rem;
}

.form-card-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 720px) {
    .form-card-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .form-card-page *,
    .form-card-page *::before,
    .form-card-page *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Buttons */

.btn {
    display: inline-block;
    padding: 0.6rem 1.1rem;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.w-100 {
    width: 100%;
}

/* Alerts */

.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 0.95rem;
}

.alert-danger {
    color: var(--color-danger-dark);
    background-color: var(--color-danger-light);
    border-color: var(--color-danger-border);
}

.alert-info {
    color: var(--color-info-dark);
    background-color: var(--color-info-light);
    border-color: var(--color-info-border);
}

.alert-success {
    color: var(--color-success-dark);
    background-color: var(--color-success-light);
    border-color: var(--color-success-border);
}

/* Dropdown panel (used by UserProfileMenu) */

.dropdown-panel {
    background-color: var(--color-background);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-radius: 0 0 8px 8px;
    min-width: 240px;
    overflow: hidden;
}

.dropdown-panel-user-info {
    display: flex;
    flex-direction: column;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.dropdown-panel-user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.dropdown-panel-user-email {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.dropdown-panel-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    font-size: 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.dropdown-panel-item:hover {
    background-color: var(--color-surface);
    color: var(--color-text);
}

.dropdown-panel-divider {
    height: 1px;
    background-color: var(--color-border);
}

.dropdown-panel-logout {
    color: var(--color-danger);
}

.dropdown-panel-logout:hover {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

/* Pages that opt out of the fixed-viewport main-content height (calc(100vh - 106px) in MainLayout.razor.css).
   Use when the page should flow naturally and avoid stretched/empty regions at higher zoom levels.
   The `article` selector bumps specificity above the scoped CSS rule on .main-content. */
article.main-content:has(.layout-natural-height) {
    height: auto;
}

/* Blazor unhandled-error toast (set to display: block by Blazor runtime when triggered) */

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}