html,
body {
    background: #f7f7f5;
    color: #1f2724;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
}

a {
    color: #225f62;
}

h1:focus {
    outline: none;
}

.admin-shell {
    min-height: 100vh;
}

.admin-topbar {
    align-items: center;
    background: #ffffff;
    border-bottom: 1px solid #dde2dc;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    min-height: 4rem;
    padding: 0 2rem;
}

.admin-brand {
    color: #1f2724;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
}

.admin-nav {
    display: flex;
    flex: 1;
    gap: 1rem;
}

.admin-nav a {
    color: #394641;
    text-decoration: none;
}

.admin-main {
    margin: 0 auto;
    max-width: 72rem;
    padding: 2.5rem 2rem;
}

.auth-page {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: calc(100vh - 9rem);
}

.admin-panel,
.auth-panel {
    background: #ffffff;
    border: 1px solid #dde2dc;
    border-radius: 8px;
    max-width: 32rem;
    padding: 2rem;
}

.auth-panel {
    box-sizing: border-box;
    width: min(100%, 28rem);
}

.admin-panel h1,
.auth-panel h1 {
    font-size: 1.5rem;
    margin: 0 0 0.75rem;
}

.admin-panel h2 {
    font-size: 1.2rem;
    margin: 0 0 0.75rem;
}

.form-panel {
    max-width: 42rem;
}

.page-heading {
    align-items: flex-start;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-heading h1 {
    font-size: 1.75rem;
    margin: 0 0 0.4rem;
}

.page-heading p {
    margin: 0;
}

.auth-panel form,
.admin-form {
    display: grid;
    gap: 1rem;
}

.form-field {
    display: grid;
    gap: 0.4rem;
}

.form-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-control {
    border: 1px solid #b7c0b8;
    border-radius: 6px;
    box-sizing: border-box;
    font: inherit;
    padding: 0.75rem;
    width: 100%;
}

.textarea-control {
    min-height: 8rem;
    resize: vertical;
}

.form-error,
.validation-message {
    color: #a13d2d;
}

.form-error p {
    margin: 0.25rem 0;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.primary-button,
.secondary-button,
.link-button {
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
}

.primary-button {
    align-items: center;
    background: #225f62;
    border: 1px solid #225f62;
    color: #ffffff;
    display: inline-flex;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
}

.secondary-button {
    align-items: center;
    background: #ffffff;
    border: 1px solid #b7c0b8;
    color: #225f62;
    display: inline-flex;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
}

.link-button {
    background: transparent;
    border: 0;
    color: #225f62;
    padding: 0;
}

.danger-link {
    color: #a13d2d;
    margin-left: 0.75rem;
}

.filter-panel {
    margin-bottom: 1.5rem;
    max-width: 42rem;
}

.table-wrapper {
    background: #ffffff;
    border: 1px solid #dde2dc;
    border-radius: 8px;
    overflow-x: auto;
}

.admin-table {
    border-collapse: collapse;
    width: 100%;
}

.admin-table th,
.admin-table td {
    border-bottom: 1px solid #edf0ec;
    padding: 0.9rem 1rem;
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    color: #5d6862;
    font-size: 0.85rem;
    font-weight: 700;
}

.admin-table small {
    color: #5d6862;
    display: block;
    margin-top: 0.25rem;
    max-width: 32rem;
}

.table-actions {
    text-align: right;
}

.status-badge {
    background: #edf0ec;
    border-radius: 999px;
    display: inline-flex;
    padding: 0.25rem 0.6rem;
}

.new-badge {
    background: #e4f3eb;
    color: #247a51;
}

.changed-badge {
    background: #fff4ce;
    color: #7a5818;
}

.success-message {
    background: #e4f3eb;
    border: 1px solid #b8d9c6;
    border-radius: 6px;
    color: #1f5c3d;
    padding: 0.75rem;
}

.checkbox-field {
    align-items: center;
    display: flex;
    gap: 0.5rem;
    min-height: 2.75rem;
}

.guided-reading-panel {
    max-width: 56rem;
}

.block-toolbar,
.block-card-header,
.block-actions,
.block-badges {
    align-items: center;
    display: flex;
    gap: 0.75rem;
}

.block-toolbar,
.block-card-header {
    justify-content: space-between;
}

.reading-block-list {
    display: grid;
    gap: 1rem;
}

.reading-block-card {
    border: 1px solid #dde2dc;
    border-radius: 8px;
    display: grid;
    gap: 1rem;
    padding: 1rem;
}

.block-preview {
    background: #f7f7f5;
    border-left: 3px solid #b7c0b8;
    border-radius: 4px;
    padding: 0.85rem 1rem;
    white-space: pre-wrap;
}

.admin-tabs {
    border-bottom: 1px solid #dde2dc;
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-button {
    background: transparent;
    border: 0;
    border-bottom: 3px solid transparent;
    color: #394641;
    cursor: pointer;
    font: inherit;
    padding: 0.75rem 0.5rem;
}

.tab-button.active {
    border-bottom-color: #225f62;
    color: #225f62;
    font-weight: 700;
}

.section-panel {
    display: grid;
    gap: 1rem;
}

.danger-zone {
    border-top: 1px solid #edf0ec;
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
}

.danger-button {
    border-color: #a13d2d;
    color: #a13d2d;
    width: fit-content;
}

.preview-heading {
    font-size: 1.2rem;
    font-weight: 700;
}

.preview-quote {
    color: #4f5b55;
    font-style: italic;
}

.form-hint {
    color: #5d6862;
    margin: 0;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #247a51;
}

.invalid {
    outline: 1px solid #a13d2d;
}

.blazor-error-boundary {
    background: #a13d2d;
    color: #ffffff;
    padding: 1rem;
}

.blazor-error-boundary::after {
    content: "Ocorreu um erro.";
}

#blazor-error-ui {
    background: #fff4ce;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.75rem 1.25rem;
    position: fixed;
    right: 0;
    z-index: 1000;
}

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

@media (max-width: 720px) {
    .admin-topbar,
    .page-heading,
    .form-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .admin-main {
        padding: 1.5rem 1rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}