/* Shared welcome / login / register layout (web + MAUI). */

.auth-page {
    --auth-shell-max: 28rem;
    display: flex;
    justify-content: center;
    width: 100%;
    min-height: min(100%, calc(100dvh - 7rem));
    padding: 0.5rem 0 2rem;
    box-sizing: border-box;
}

.auth-page__shell {
    width: 100%;
    max-width: var(--auth-shell-max);
    margin-inline: auto;
}

.auth-page__header {
    text-align: center;
    margin-bottom: 1.25rem;
}

.auth-page__title {
    margin: 0;
    font-size: clamp(1.65rem, 4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--mud-palette-text-primary);
}

.auth-page__subtitle {
    margin: 0.5rem 0 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--mud-palette-text-secondary);
    max-width: 26rem;
    margin-inline: auto;
}

.auth-card {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    border-radius: 0.75rem;
    padding: 1.35rem 1.25rem;
    box-shadow:
        0 1px 2px color-mix(in srgb, var(--mud-palette-text-primary) 6%, transparent),
        0 12px 32px color-mix(in srgb, var(--mud-palette-text-primary) 8%, transparent);
}

@media (min-width: 480px) {
    .auth-card {
        padding: 1.5rem 1.5rem;
    }
}

.auth-card__section-title {
    margin: 0 0 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
}

.auth-card .form-control {
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.auth-card .form-control:user-invalid {
    border-color: var(--mud-palette-error) !important;
    background-color: color-mix(in srgb, var(--mud-palette-error) 6%, var(--mud-palette-surface)) !important;
}

.auth-card .form-control:user-valid {
    border-color: var(--mud-palette-success) !important;
}

.auth-card .mb-3:has(:user-invalid) label {
    color: var(--mud-palette-error) !important;
}

.auth-card label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.auth-card .btn-primary,
.auth-card .btn-outline-secondary {
    width: 100%;
    padding: 0.625rem 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
}

.auth-card .btn-primary {
    background-color: var(--mud-palette-primary);
    border-color: var(--mud-palette-primary);
}

.auth-card .btn-primary:hover {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 88%, var(--mud-palette-black));
    border-color: color-mix(in srgb, var(--mud-palette-primary) 88%, var(--mud-palette-black));
}

.auth-form-actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 0.25rem;
}

.auth-form-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.15rem 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.auth-form-divider::before,
.auth-form-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--mud-palette-divider);
}

.auth-page__footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.35rem 0.5rem;
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--mud-palette-text-secondary);
}

.auth-page__footer a {
    font-weight: 600;
    text-decoration: none;
}

.auth-page__footer a:hover {
    text-decoration: underline;
}

.auth-card .alert {
    border-radius: 0.5rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Welcome landing */
.auth-landing .auth-landing__actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.auth-landing__guest-block {
    margin-top: 0.25rem;
}

.auth-landing__guest-hint {
    margin: 0 0 0.65rem;
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--mud-palette-text-secondary);
}

.auth-landing__guest-paper {
    background: color-mix(in srgb, var(--mud-palette-primary) 6%, var(--mud-palette-surface));
    border: 1px dashed var(--mud-palette-divider);
    border-radius: 0.5rem;
    padding: 0.35rem;
}

.site-legal-footer {
    width: 100%;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--mud-palette-divider);
    font-size: 0.8125rem;
    text-align: center;
}

.site-legal-footer a {
    color: var(--mud-palette-text-secondary);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.site-legal-footer a:hover {
    color: var(--mud-palette-primary);
}

@media (min-width: 768px) {
    .auth-page {
        min-height: min(100%, calc(100dvh - 5rem));
        padding-top: 1.5rem;
        padding-bottom: 3rem;
    }

    .auth-page__header {
        margin-bottom: 1.5rem;
    }
}

/* Custom replacements for Bootstrap utility and form classes */

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--mud-palette-text-primary);
    background-color: var(--mud-palette-surface);
    background-clip: padding-box;
    border: 1px solid var(--mud-palette-divider);
    appearance: none;
    border-radius: 0.375rem;
    box-sizing: border-box;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: var(--mud-palette-text-primary);
    background-color: var(--mud-palette-surface);
    border-color: var(--mud-palette-primary);
    outline: 0;
    box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--mud-palette-primary) 25%, transparent);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--mud-palette-background-gray);
    opacity: 0.7;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 1.5rem;
    margin-bottom: 0.125rem;
}

.form-check-input {
    width: 1.15em;
    height: 1.15em;
    vertical-align: top;
    background-color: var(--mud-palette-surface);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 1px solid var(--mud-palette-divider);
    appearance: none;
    border-radius: 0.25em;
    cursor: pointer;
    box-sizing: border-box;
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-check-input:checked {
    background-color: var(--mud-palette-primary);
    border-color: var(--mud-palette-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.form-check-label {
    color: var(--mud-palette-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.375rem;
    box-sizing: border-box;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--mud-palette-primary) 25%, transparent);
}

.btn-primary {
    color: #ffffff;
    background-color: var(--mud-palette-primary);
    border-color: var(--mud-palette-primary);
}

.btn-primary:hover {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 88%, var(--mud-palette-black));
    border-color: color-mix(in srgb, var(--mud-palette-primary) 88%, var(--mud-palette-black));
}

.btn-outline-secondary {
    color: var(--mud-palette-text-secondary);
    border-color: var(--mud-palette-divider);
    background-color: transparent;
}

.btn-outline-secondary:hover {
    color: var(--mud-palette-text-primary);
    background-color: var(--mud-palette-action-hover);
    border-color: var(--mud-palette-text-secondary);
}

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

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.d-flex {
    display: flex !important;
}

.flex-column {
    flex-direction: column !important;
}

.alert {
    position: relative;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    box-sizing: border-box;
    line-height: 1.4;
}

.alert-info {
    color: color-mix(in srgb, var(--mud-palette-info) 40%, var(--mud-palette-text-primary));
    background-color: color-mix(in srgb, var(--mud-palette-info) 8%, var(--mud-palette-surface));
    border-color: color-mix(in srgb, var(--mud-palette-info) 20%, var(--mud-palette-divider));
}

.alert-warning {
    color: color-mix(in srgb, var(--mud-palette-warning) 40%, var(--mud-palette-text-primary));
    background-color: color-mix(in srgb, var(--mud-palette-warning) 8%, var(--mud-palette-surface));
    border-color: color-mix(in srgb, var(--mud-palette-warning) 20%, var(--mud-palette-divider));
}

.alert-danger {
    color: color-mix(in srgb, var(--mud-palette-error) 40%, var(--mud-palette-text-primary));
    background-color: color-mix(in srgb, var(--mud-palette-error) 8%, var(--mud-palette-surface));
    border-color: color-mix(in srgb, var(--mud-palette-error) 20%, var(--mud-palette-divider));
}

/* Accessibility overrides for Dark Theme */
.dark-theme .mud-button-outlined-primary {
    color: #38bdf8 !important; /* sky-400 has 8.6:1 contrast ratio against #111827 surface */
    border-color: rgba(56, 189, 248, 0.4) !important;
}

.dark-theme .mud-button-outlined-primary:hover {
    background-color: rgba(56, 189, 248, 0.08) !important;
    border-color: #38bdf8 !important;
}