/* Simulador de INSS de Obras
   CSS próprio, sem dependências externas.
   Mobile-first, acessível e otimizado para páginas renderizadas no servidor. */

:root {
    color-scheme: light;
    --bg: #f7f6f5;
    --surface: #ffffff;
    --surface-soft: #faf9f8;
    --text: #2f2f2f;
    --text-soft: #6a6867;
    --border: #e5e1df;
    --border-strong: #d3cecb;
    --accent: #fa2306;
    --accent-strong: #d81e05;
    --accent-soft: #fff0ed;
    --accent-text: #ffffff;
    --dark: #3e3e3e;
    --dark-soft: #565656;
    --danger: #b42318;
    --danger-soft: #fef3f2;
    --warning: #9a6700;
    --warning-soft: #fff8e8;
    --success: #067647;
    --success-soft: #ecfdf3;
    --shadow: 0 18px 50px rgba(84, 84, 84, 0.10);
    --radius: 18px;
    --radius-sm: 12px;
    --shell: 1160px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family:
        Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
}

img,
svg {
    max-width: 100%;
    height: auto;
}

.shell {
    width: min(calc(100% - 32px), var(--shell));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 999;
    padding: 10px 14px;
    border-radius: 8px;
    background: #ffffff;
    color: #111111;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid rgba(250, 35, 6, 0.28);
    outline-offset: 3px;
}

.site-header,
.admin-header {
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--border);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
}

.site-header__inner,
.admin-header__inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-brand,
.admin-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
}

.brand-logo {
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 11px;
    object-fit: cover;
}

.brand-logo--admin {
    width: 38px;
    height: 38px;
    border-radius: 10px;
}

.brand-copy strong {
    color: #4f4f4f;
    font-size: 16px;
    font-weight: 850;
    letter-spacing: 0.08em;
}

.site-brand strong,
.admin-brand strong {
    display: block;
    font-size: 15px;
    line-height: 1.15;
}

.site-brand small,
.admin-brand small {
    display: block;
    margin-top: 3px;
    color: var(--text-soft);
    font-size: 12px;
}

.button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 11px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 700;
    line-height: 1.2;
    transition:
        background-color 160ms ease,
        border-color 160ms ease,
        color 160ms ease,
        transform 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.button--primary {
    background: var(--accent);
    color: var(--accent-text);
}

.button--primary:hover {
    background: var(--accent-strong);
}

.button--ghost {
    border-color: var(--border-strong);
    background: #fff;
    color: var(--text);
}

.button--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.button--light {
    background: #fff;
    color: var(--dark);
}

.button--light:hover {
    color: var(--accent);
}

.button--danger {
    border-color: #fecdca;
    background: var(--danger-soft);
    color: var(--danger);
}

.button--small {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 14px;
}

.button--large {
    min-height: 50px;
    padding: 13px 19px;
}

.hero {
    position: relative;
    border-bottom: 4px solid var(--accent);
    overflow: hidden;
    background:
        radial-gradient(circle at 90% 10%, rgba(250, 35, 6, 0.20), transparent 34%),
        linear-gradient(145deg, var(--dark) 0%, var(--dark-soft) 100%);
    color: #fff;
}

.hero::after {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    right: -120px;
    bottom: -170px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 50%;
}

.hero__inner {
    position: relative;
    z-index: 1;
    padding-block: 52px 64px;
}

.hero__copy {
    max-width: 760px;
}

.eyebrow {
    display: inline-block;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.eyebrow--light {
    color: #ff8d7e;
}

.hero h1,
.section-heading h2,
.result-card h2,
.result-empty h2,
.admin-main h1,
.admin-main h2,
.admin-main h3 {
    margin-top: 0;
    letter-spacing: -0.028em;
}

.hero h1 {
    max-width: 760px;
    margin-bottom: 16px;
    font-size: clamp(34px, 8vw, 58px);
    line-height: 1.04;
}

.hero p {
    max-width: 680px;
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(16px, 4vw, 19px);
}

.current-table {
    width: fit-content;
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.86);
    font-size: 13px;
}

.current-table__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #fa2306;
    box-shadow: 0 0 0 4px rgba(250, 35, 6, 0.16);
}

.calculator-section {
    margin-top: -28px;
    position: relative;
    z-index: 2;
    padding-bottom: 58px;
}

.calculator-grid {
    display: grid;
    gap: 18px;
}

.calculator-card,
.result-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.calculator-card {
    padding: 22px;
    background: var(--surface);
}

.section-heading {
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.section-heading h2 {
    margin: 6px 0 0;
    font-size: clamp(24px, 6vw, 34px);
    line-height: 1.12;
}

.section-heading--center {
    justify-content: center;
    text-align: center;
}

.step-badge {
    flex: 0 0 auto;
    padding: 6px 9px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--text-soft);
    font-size: 12px;
    font-weight: 700;
}

.calculator-form {
    display: grid;
    gap: 18px;
}

.field {
    min-width: 0;
}

.field label {
    display: block;
    margin-bottom: 7px;
    color: #26343a;
    font-size: 14px;
    font-weight: 700;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 48px;
    padding: 11px 13px;
    border: 1px solid var(--border-strong);
    border-radius: 11px;
    background: #fff;
    color: var(--text);
    font-size: 16px;
    line-height: 1.25;
}

.field select {
    cursor: pointer;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
    border-color: #aebbc0;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
}

.field [aria-invalid="true"] {
    border-color: #d92d20;
    background: #fffafa;
}

.field small {
    display: block;
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 12px;
}

.field-error {
    display: block;
    margin-top: 6px;
    color: var(--danger);
    font-size: 12px;
    font-weight: 650;
}

.input-suffix {
    position: relative;
}

.input-suffix input {
    padding-right: 50px;
}

.input-suffix > span {
    position: absolute;
    right: 13px;
    top: 50%;
    color: var(--text-soft);
    font-size: 14px;
    transform: translateY(-50%);
    pointer-events: none;
}

.form-actions {
    padding-top: 4px;
}

.form-actions .button {
    width: 100%;
}

.form-note {
    margin: 10px 0 0;
    color: var(--text-soft);
    font-size: 12px;
    text-align: center;
}

.result-card {
    min-height: 340px;
    overflow: hidden;
    background:
        radial-gradient(circle at 100% 0%, rgba(250, 35, 6, 0.22), transparent 34%),
        var(--dark);
    color: #fff;
}

.result-empty {
    min-height: 100%;
    padding: 34px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.result-empty__icon {
    width: 54px;
    height: 54px;
    margin-bottom: 22px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.06);
    color: #ff8d7e;
    font-size: 24px;
    font-weight: 800;
}

.result-empty h2 {
    max-width: 330px;
    margin: 8px 0 10px;
    font-size: 28px;
    line-height: 1.1;
}

.result-empty p {
    max-width: 390px;
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
}

.result-card__header {
    padding: 28px 24px 24px;
}

.result-card__header h2 {
    margin: 7px 0 4px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 16px;
    font-weight: 650;
    letter-spacing: 0;
}

.result-total {
    margin: 2px 0 8px;
    font-size: clamp(34px, 10vw, 52px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.result-card__header p {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
}

.result-details {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding: 22px 24px;
    background: rgba(255, 255, 255, 0.03);
}

.result-details h3 {
    margin: 0 0 13px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.result-details dl {
    margin: 0;
    display: grid;
    gap: 0;
}

.result-details dl > div {
    padding: 8px 0;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.result-details dl > div:last-child {
    border-bottom: 0;
}

.result-details dt {
    color: rgba(255, 255, 255, 0.58);
    font-size: 13px;
}

.result-details dd {
    margin: 0;
    color: rgba(255, 255, 255, 0.94);
    font-size: 13px;
    font-weight: 700;
    text-align: right;
}

.result-cta {
    padding: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
}

.result-cta strong {
    display: block;
    margin-bottom: 4px;
    font-size: 17px;
}

.result-cta p {
    margin: 0 0 16px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
}

.result-cta .button {
    width: 100%;
}

.how-section {
    padding: 18px 0 74px;
}

.how-grid {
    display: grid;
    gap: 14px;
}

.how-grid article {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
}

.how-grid article > span {
    display: inline-grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 9px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

.how-grid h3 {
    margin: 14px 0 7px;
    font-size: 17px;
}

.how-grid p {
    margin: 0;
    color: var(--text-soft);
    font-size: 14px;
}

.site-footer {
    border-top: 3px solid var(--accent);
    background: #fff;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.footer-brand img {
    flex: 0 0 auto;
    border-radius: 10px;
}

.footer-brand strong {
    color: #4f4f4f;
    letter-spacing: 0.07em;
}

.site-footer__inner {
    padding-block: 28px;
    display: grid;
    gap: 14px;
}

.site-footer p {
    margin: 3px 0 0;
    color: var(--text-soft);
    font-size: 13px;
}

.site-footer small {
    color: var(--text-soft);
    font-size: 12px;
}

/* Alerts */
.alert {
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 14px;
}

.alert--error {
    border-color: #fecdca;
    background: var(--danger-soft);
    color: #912018;
}

.alert--warning {
    border-color: #fedf89;
    background: var(--warning-soft);
    color: #7a4d00;
}

.alert--success {
    border-color: #abefc6;
    background: var(--success-soft);
    color: #05603a;
}

.alert--info {
    border-color: #b2ddff;
    background: #eff8ff;
    color: #175cd3;
}

/* Admin */
.admin-body {
    background: #f6f4f3;
}

.admin-header {
    position: sticky;
    top: 0;
    z-index: 20;
}

.admin-nav {
    display: flex;
    align-items: center;
    gap: 7px;
}

.admin-nav > a,
.link-button {
    padding: 8px 9px;
    border: 0;
    background: transparent;
    color: var(--text-soft);
    cursor: pointer;
    text-decoration: none;
    font-size: 13px;
    font-weight: 650;
}

.admin-nav > a:hover,
.link-button:hover {
    color: var(--accent);
}

.inline-form {
    display: inline;
    margin: 0;
}

.admin-main {
    padding-block: 30px 54px;
}

.admin-page-heading {
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.admin-page-heading h1 {
    margin-bottom: 6px;
    font-size: clamp(26px, 6vw, 38px);
    line-height: 1.1;
}

.admin-page-heading p {
    max-width: 700px;
    margin: 0;
    color: var(--text-soft);
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-grid {
    display: grid;
    gap: 16px;
}

.admin-card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
}

.admin-card h2,
.admin-card h3 {
    margin-bottom: 6px;
}

.admin-card p {
    margin-top: 0;
    color: var(--text-soft);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.metric {
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft);
}

.metric span {
    display: block;
    margin-bottom: 5px;
    color: var(--text-soft);
    font-size: 12px;
}

.metric strong {
    display: block;
    font-size: 20px;
    line-height: 1.1;
}

.status {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
}

.status--active {
    background: var(--success-soft);
    color: var(--success);
}

.status--draft {
    background: #eff8ff;
    color: #175cd3;
}

.status--archived {
    background: #f2f4f7;
    color: #475467;
}

.admin-table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.admin-table th,
.admin-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
    font-size: 13px;
}

.admin-table th {
    background: var(--surface-soft);
    color: var(--text-soft);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.admin-table tbody tr:last-child td {
    border-bottom: 0;
}

.admin-table a {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
}

.admin-form {
    display: grid;
    gap: 16px;
}

.admin-form-row {
    display: grid;
    gap: 14px;
}

.admin-form-actions {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
    padding-top: 4px;
}

.admin-help {
    color: var(--text-soft);
    font-size: 12px;
}

.admin-divider {
    height: 1px;
    margin: 22px 0;
    background: var(--border);
}

.vau-state-nav {
    margin-bottom: 18px;
    display: grid;
    gap: 10px;
}

.vau-state-nav__buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.completion {
    display: grid;
    gap: 7px;
}

.completion__track {
    width: 100%;
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #edf0f2;
}

.completion__bar {
    height: 100%;
    border-radius: 999px;
    background: var(--accent);
}

.rule-group {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.rule-group:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.rule-group h3 {
    margin: 0 0 5px;
    font-size: 17px;
}

.rule-group > p {
    margin: 0 0 14px;
    color: var(--text-soft);
    font-size: 13px;
}

.rule-grid {
    display: grid;
    gap: 12px;
}

.rule-box {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface-soft);
}

.rule-box strong {
    display: block;
    margin-bottom: 9px;
    font-size: 13px;
}

.rule-box dl {
    margin: 0;
}

.rule-box dl > div {
    padding: 5px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.rule-box dl > div:last-child {
    border-bottom: 0;
}

.rule-box dt {
    color: var(--text-soft);
    font-size: 12px;
}

.rule-box dd {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
}

.warning-panel {
    padding: 14px;
    border: 1px solid #fedf89;
    border-radius: 11px;
    background: var(--warning-soft);
    color: #7a4d00;
    font-size: 13px;
}

.check-row {
    display: flex;
    align-items: flex-start;
    gap: 9px;
}

.check-row input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.admin-footer {
    padding: 22px 0;
    border-top: 1px solid var(--border);
    color: var(--text-soft);
}

.login-shell {
    width: min(calc(100% - 32px), 440px);
    margin: 48px auto;
}

.login-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow);
}

.login-card h1 {
    margin: 0 0 7px;
    font-size: 28px;
}

.login-card > p {
    margin: 0 0 20px;
    color: var(--text-soft);
}

.setup-note {
    margin-top: 16px;
    color: var(--text-soft);
    font-size: 12px;
}

.kv-list {
    margin: 0;
    display: grid;
    gap: 0;
}

.kv-list > div {
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    border-bottom: 1px solid var(--border);
}

.kv-list > div:last-child {
    border-bottom: 0;
}

.kv-list dt {
    color: var(--text-soft);
}

.kv-list dd {
    margin: 0;
    font-weight: 700;
    text-align: right;
}

.muted {
    color: var(--text-soft);
}

.text-danger {
    color: var(--danger);
}

.text-success {
    color: var(--success);
}

@media (min-width: 680px) {
    .shell {
        width: min(calc(100% - 48px), var(--shell));
    }

    .hero__inner {
        padding-block: 72px 88px;
    }

    .calculator-section {
        margin-top: -42px;
    }

    .calculator-card {
        padding: 28px;
    }

    .calculator-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }

    .field--full {
        grid-column: 1 / -1;
    }

    .how-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .site-footer__inner {
        grid-template-columns: 1fr auto;
        align-items: center;
    }

    .metric-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .admin-form-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rule-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 960px) {
    .calculator-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
        align-items: start;
    }

    .result-card {
        position: sticky;
        top: 92px;
    }

    .admin-grid--sidebar {
        grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
        align-items: start;
    }

    .rule-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .site-header__inner,
    .admin-header__inner {
        min-height: 64px;
    }

    .site-header .button {
        display: none;
    }

    .admin-brand small {
        display: none;
    }

    .admin-nav {
        gap: 0;
    }

    .admin-nav > a,
    .link-button {
        padding-inline: 7px;
        font-size: 12px;
    }

    .calculator-card {
        padding: 19px;
    }

    .result-details dl > div {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}


/* Small utility additions used by the administration screens */
.admin-section {
    margin-top: 16px;
}

.admin-form--spaced {
    margin-top: 14px;
}

.input-prefix {
    position: relative;
}

.input-prefix > span {
    position: absolute;
    left: 13px;
    top: 50%;
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 700;
    transform: translateY(-50%);
    pointer-events: none;
}

.input-prefix input {
    padding-left: 41px;
}

.rule-box--form {
    display: grid;
    gap: 12px;
}

.rule-box--form .field + .field {
    margin-top: 2px;
}

.completion progress {
    width: 100%;
    height: 9px;
    overflow: hidden;
    border: 0;
    border-radius: 999px;
    background: #edf0f2;
    appearance: none;
}

.completion progress::-webkit-progress-bar {
    background: #edf0f2;
    border-radius: 999px;
}

.completion progress::-webkit-progress-value {
    background: var(--accent);
    border-radius: 999px;
}

.completion progress::-moz-progress-bar {
    background: var(--accent);
    border-radius: 999px;
}

/* Importação em lote da tabela VAU */
.template-example {
    display: grid;
    grid-template-columns: minmax(190px, 1.8fr) repeat(4, minmax(68px, .55fr));
    margin-top: 18px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 13px;
}

.template-example > div {
    padding: 9px 10px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: #fff;
}

.template-example > div:nth-child(-n+5) {
    background: var(--surface-soft, #f5f7f9);
}

.download-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.field input[type="file"] {
    width: 100%;
    padding: 12px;
    border: 1px dashed var(--border-strong);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
}

.compact-list {
    margin: 8px 0 0;
    padding-left: 20px;
}

.compact-list li + li {
    margin-top: 4px;
}

.import-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.metric-tile {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft, #f8fafb);
}

.metric-tile span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.metric-tile strong {
    display: block;
    margin-top: 3px;
    font-size: 24px;
}

.admin-card--spaced {
    margin-top: 22px;
}

.admin-table-wrap--matrix {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.admin-table--matrix {
    min-width: 2140px;
    margin: 0;
}

.admin-table--matrix th,
.admin-table--matrix td {
    white-space: nowrap;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.admin-table--matrix th:first-child,
.admin-table--matrix td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    min-width: 230px;
    text-align: left;
    background: #fff;
}

.admin-table--matrix thead th:first-child {
    z-index: 2;
    background: var(--surface-soft, #f5f7f9);
}

.admin-table--matrix .cell-changed {
    background: #ecfdf3;
    font-weight: 700;
}

.import-confirmation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.import-confirmation p {
    margin: 4px 0 0;
    color: var(--muted);
}

.import-inline-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin: 16px 0 18px;
    padding: 13px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft, #f8fafb);
}

.import-inline-callout strong,
.import-inline-callout span {
    display: block;
}

.import-inline-callout span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 720px) {
    .template-example {
        grid-template-columns: minmax(160px, 1.8fr) repeat(4, minmax(56px, .55fr));
        overflow-x: auto;
    }

    .import-summary {
        grid-template-columns: 1fr;
    }

    .import-confirmation,
    .import-inline-callout {
        align-items: stretch;
        flex-direction: column;
    }

    .import-confirmation .inline-form,
    .import-confirmation .button,
    .import-inline-callout .button {
        width: 100%;
    }
}

/* Identidade Klassmann — lockup tipográfico usado no site desta aplicação.
   Não utiliza o ícone antigo do aplicativo móvel. */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.brand-lockup {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    line-height: 1;
}

.brand-lockup strong {
    color: var(--dark);
    font-size: 1.18rem;
    font-weight: 850;
    letter-spacing: .105em;
}

.brand-lockup small {
    margin-top: .34rem;
    color: var(--text-soft);
    font-size: .64rem;
    font-weight: 650;
    letter-spacing: .075em;
    text-transform: uppercase;
}

.brand-lockup--admin strong {
    font-size: 1rem;
}

.brand-lockup--admin small {
    font-size: .57rem;
}

.brand-lockup--footer strong {
    color: #fff;
}

.brand-lockup--footer small {
    color: rgba(255,255,255,.68);
}

/* Refinamento visual da aplicação: mesma linguagem clara e institucional
   usada no site principal da Klassmann, sem efeitos decorativos pesados. */
:root {
    --bg: #f7f7f6;
    --surface: #ffffff;
    --surface-soft: #f3f3f2;
    --text: #343434;
    --text-soft: #6d6d6d;
    --border: #e4e4e2;
    --border-strong: #ccccca;
    --accent: #fa2306;
    --accent-strong: #d91e05;
    --accent-soft: #fff1ef;
    --dark: #545454;
    --dark-soft: #686868;
    --shadow: 0 16px 44px rgba(45,45,45,.075);
}

.site-header,
.admin-header {
    background: rgba(255,255,255,.98);
}

.site-brand,
.admin-brand {
    min-width: 0;
}

.hero {
    border-bottom: 0;
    background: #fff;
    color: var(--text);
}

.hero::after {
    width: 340px;
    height: 340px;
    right: -170px;
    bottom: -220px;
    border-color: rgba(250,35,6,.10);
}

.hero__inner {
    padding-block: 54px 46px;
}

.hero__copy {
    max-width: 800px;
}

.hero h1 {
    max-width: 760px;
    margin-top: 8px;
    margin-bottom: 14px;
    color: var(--dark);
    font-size: clamp(34px, 8vw, 56px);
}

.hero p {
    max-width: 720px;
    color: var(--text-soft);
}

.current-table {
    border-color: #e1dfdc;
    background: #f7f6f4;
    color: #5d5d5d;
}

.current-table__dot {
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(250,35,6,.12);
}

.calculator-section {
    margin-top: 0;
    padding-top: 10px;
    padding-bottom: 58px;
}

.calculator-card,
.result-card {
    border-color: var(--border);
    box-shadow: var(--shadow);
}

.result-card {
    min-height: 340px;
    background: #fff;
    color: var(--text);
    border-top: 4px solid var(--accent);
}

.result-empty__icon {
    border-color: #e6e2df;
    background: var(--accent-soft);
    color: var(--accent);
}

.result-empty p,
.result-card__header p,
.result-cta p {
    color: var(--text-soft);
}

.eyebrow--light {
    color: var(--accent);
}

.result-card__header h2 {
    color: var(--text-soft);
}

.result-total {
    color: var(--dark);
}

.result-details,
.result-cta {
    border-top-color: var(--border);
    background: #fbfbfa;
}

.result-details h3 {
    color: var(--text);
}

.result-details dl > div {
    border-bottom-color: var(--border);
}

.result-details dt {
    color: var(--text-soft);
}

.result-details dd {
    color: var(--text);
}

.result-cta strong {
    color: var(--dark);
}

.result-cta .button--light {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
}

.result-cta .button--light:hover {
    background: var(--accent-strong);
    color: #fff;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--dark);
}

.site-footer small,
.site-footer p {
    color: rgba(255,255,255,.68);
}

@media (min-width: 900px) {
    .hero__inner {
        padding-block: 72px 54px;
    }

    .calculator-grid {
        grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
        align-items: start;
    }

    .calculator-card,
    .result-card {
        min-height: 100%;
    }
}

/* ================================================================
   Identidade oficial Klassmann — tema escuro
   Paleta fornecida pela Klassmann / site atual.
   ================================================================ */
:root {
    color-scheme: dark;

    --color-primary: #FD7204;
    --color-primary-dark: #D95E00;
    --color-primary-rgb: 253, 114, 4;
    --color-primary-light: rgba(253, 114, 4, 0.14);
    --color-primary-glow: rgba(253, 114, 4, 0.28);
    --color-on-primary: #100C08;
    --color-accent: #F92813;

    --color-bg: #0F0F0F;
    --color-bg-deep: #0A0A0A;
    --color-surface: #1A1A1A;
    --color-surface-2: #232323;
    --color-border: #2A2A2A;
    --color-border-strong: #606060;

    --color-secondary: #A8A8A8;
    --color-secondary-dark: #7A7A7A;
    --color-secondary-light: #242424;

    --color-white: #FFFFFF;
    --color-black: #0A0A0A;

    --color-gray-50: #0D0D0D;
    --color-gray-100: #141414;
    --color-gray-200: #1F1F1F;
    --color-gray-300: #2E2E2E;
    --color-gray-400: #8A8A8A;
    --color-gray-500: #9A9A9A;
    --color-gray-600: #B3B3B3;
    --color-gray-700: #CFCFCF;
    --color-gray-800: #E8E8E8;
    --color-gray-900: #F7F7F7;

    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-instagram: #E4405F;

    /* aliases do layout existente */
    --bg: var(--color-bg);
    --surface: var(--color-surface);
    --surface-soft: var(--color-surface-2);
    --text: var(--color-gray-900);
    --text-soft: var(--color-gray-600);
    --muted: var(--color-gray-500);
    --border: var(--color-border);
    --border-strong: var(--color-border-strong);
    --accent: var(--color-primary);
    --accent-strong: var(--color-primary-dark);
    --accent-soft: var(--color-primary-light);
    --accent-text: var(--color-on-primary);
    --dark: var(--color-bg-deep);
    --dark-soft: var(--color-surface);
    --danger: #FF6B61;
    --danger-soft: rgba(249, 40, 19, 0.12);
    --warning: #F7B955;
    --warning-soft: rgba(247, 185, 85, 0.12);
    --success: #5DD39E;
    --success-soft: rgba(93, 211, 158, 0.12);
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

html {
    background: var(--color-bg-deep);
}

body,
.public-body,
.admin-body {
    background: var(--color-bg);
    color: var(--color-gray-900);
}

.skip-link {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

:focus-visible {
    outline-color: var(--color-primary);
}

.site-header,
.admin-header {
    background: rgba(10, 10, 10, 0.92);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.site-header__inner,
.admin-header__inner {
    min-height: 78px;
}

.site-brand,
.admin-brand {
    gap: 12px;
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: contain;
    filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

.brand-logo--admin {
    width: 42px;
    height: 42px;
}

.brand-lockup strong,
.brand-lockup--admin strong,
.brand-lockup--footer strong {
    color: var(--color-primary);
    font-weight: 800;
    letter-spacing: .18em;
}

.brand-lockup small,
.brand-lockup--admin small,
.brand-lockup--footer small {
    color: var(--color-gray-700);
    letter-spacing: .11em;
}

.button {
    border-radius: 10px;
}

.button--primary {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.button--primary:hover {
    border-color: var(--color-primary-dark);
    background: var(--color-primary-dark);
    color: var(--color-on-primary);
}

.button--ghost {
    border-color: var(--color-border-strong);
    background: transparent;
    color: var(--color-gray-900);
}

.button--ghost:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.button--light {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.button--light:hover {
    border-color: var(--color-primary-dark);
    background: var(--color-primary-dark);
    color: var(--color-on-primary);
}

.button--danger {
    border-color: rgba(249, 40, 19, 0.42);
    background: var(--danger-soft);
    color: #FF8F86;
}

.hero {
    position: relative;
    overflow: hidden;
    border: 0;
    border-bottom: 1px solid var(--color-border);
    background:
        radial-gradient(circle at 74% 24%, rgba(253, 114, 4, 0.10), transparent 34%),
        linear-gradient(118deg, #080808 0%, #101010 54%, #151515 100%);
    color: var(--color-gray-900);
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.hero::before {
    inset: -35% auto -35% -160px;
    width: 430px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.34);
    border-radius: 46px;
    transform: rotate(-38deg);
    box-shadow:
        74px 0 0 -73px rgba(var(--color-primary-rgb), .56),
        148px 0 0 -147px rgba(var(--color-primary-rgb), .22);
}

.hero::after {
    width: 360px;
    height: 360px;
    right: -170px;
    bottom: -240px;
    border: 1px solid rgba(var(--color-primary-rgb), .18);
    border-radius: 48px;
    transform: rotate(45deg);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
    align-items: center;
    padding-block: 54px 58px;
}

.hero__copy {
    max-width: 700px;
}

.hero h1 {
    max-width: 720px;
    margin: 10px 0 18px;
    color: var(--color-white);
    font-size: clamp(36px, 8vw, 62px);
    line-height: 1.02;
}

.hero p {
    max-width: 660px;
    color: var(--color-gray-700);
}

.hero__brand {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 0;
}

.hero__brand img {
    display: block;
    width: 100%;
    max-width: 560px;
    margin-inline: auto;
    border: 1px solid rgba(var(--color-primary-rgb), .18);
    border-radius: 18px;
    background: #111;
    box-shadow: 0 22px 70px rgba(0, 0, 0, .42);
}

.eyebrow,
.eyebrow--light {
    color: var(--color-primary);
}

.current-table {
    border-color: rgba(var(--color-primary-rgb), .28);
    background: rgba(var(--color-primary-rgb), .08);
    color: var(--color-gray-700);
}

.current-table__dot {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.calculator-section {
    margin-top: 0;
    padding: 42px 0 64px;
    background: var(--color-bg);
}

.calculator-card,
.result-card,
.admin-card,
.login-card,
.rule-box,
.metric,
.metric-tile {
    border-color: var(--color-border);
    background: var(--color-surface);
    color: var(--color-gray-900);
    box-shadow: var(--shadow);
}

.calculator-card,
.result-card {
    border-radius: 18px;
}

.section-heading h2,
.result-empty h2,
.result-card__header h2,
.admin-main h1,
.admin-main h2,
.admin-main h3,
.login-card h1,
.admin-card h3,
.rule-group h3,
.rule-box strong,
.metric strong,
.metric-tile strong {
    color: var(--color-gray-900);
}

.step-badge,
.status {
    border-color: rgba(var(--color-primary-rgb), .26);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.field label,
.admin-form label {
    color: var(--color-gray-800);
}

.field input,
.field select,
.field textarea,
.input-suffix,
.input-prefix,
.field input[type="file"] {
    border-color: var(--color-border-strong);
    background: var(--color-surface-2);
    color: var(--color-gray-900);
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--color-gray-500);
}

.field input:hover,
.field select:hover,
.field textarea:hover,
.field input[type="file"]:hover {
    border-color: var(--color-gray-500);
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.field input[type="file"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.field select {
    color-scheme: dark;
}

.field select option {
    background: var(--color-surface-2);
    color: var(--color-gray-900);
}

.field small,
.form-note,
.muted,
.admin-help,
.admin-page-heading p,
.admin-card p,
.rule-group > p,
.login-card > p,
.setup-note,
.import-confirmation p,
.import-inline-callout span {
    color: var(--color-gray-500);
}

.input-suffix > span,
.input-prefix > span {
    border-color: var(--color-border-strong);
    background: var(--color-gray-200);
    color: var(--color-gray-600);
}

.field-error,
.text-danger {
    color: #FF8F86;
}

.text-success {
    color: #72D9AA;
}

.result-card {
    overflow: hidden;
    border-top: 3px solid var(--color-primary);
    background:
        linear-gradient(180deg, rgba(var(--color-primary-rgb), .055), transparent 38%),
        var(--color-surface);
}

.result-empty__icon {
    border-color: rgba(var(--color-primary-rgb), .34);
    background: var(--color-primary-light);
    color: var(--color-primary);
    box-shadow: 0 0 0 8px rgba(var(--color-primary-rgb), .045);
}

.result-empty p,
.result-card__header p,
.result-cta p {
    color: var(--color-gray-500);
}

.result-total {
    color: var(--color-white);
    text-shadow: 0 0 34px rgba(var(--color-primary-rgb), .10);
}

.result-details,
.result-cta {
    border-top-color: var(--color-border);
    background: var(--color-gray-100);
}

.result-details dl > div,
.kv-list > div,
.rule-box dl > div {
    border-bottom-color: var(--color-border);
}

.result-details dt,
.kv-list dt,
.rule-box dt {
    color: var(--color-gray-500);
}

.result-details dd,
.kv-list dd,
.rule-box dd {
    color: var(--color-gray-900);
}

.result-cta strong {
    color: var(--color-gray-900);
}

.result-cta .button--light {
    border-color: var(--color-whatsapp);
    background: var(--color-whatsapp);
    color: #06150C;
}

.result-cta .button--light:hover {
    border-color: var(--color-whatsapp-dark);
    background: var(--color-whatsapp-dark);
    color: var(--color-white);
}

.how-section {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-deep);
}

.how-grid article {
    border-color: var(--color-border);
    background: var(--color-surface);
    box-shadow: none;
}

.how-grid article > span {
    border: 1px solid rgba(var(--color-primary-rgb), .30);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.how-grid h3 {
    color: var(--color-gray-900);
}

.how-grid p {
    color: var(--color-gray-500);
}

.site-footer,
.admin-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-deep);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.footer-brand__icon {
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    object-fit: contain;
}

.site-footer small,
.site-footer p,
.admin-footer small {
    color: var(--color-gray-500);
}

.alert {
    border-color: var(--color-border-strong);
    background: var(--color-surface-2);
    color: var(--color-gray-800);
}

.alert--error {
    border-color: rgba(249, 40, 19, .42);
    background: rgba(249, 40, 19, .10);
    color: #FF9B93;
}

.alert--warning {
    border-color: rgba(247, 185, 85, .34);
    background: rgba(247, 185, 85, .09);
    color: #FFD38B;
}

.alert--success {
    border-color: rgba(93, 211, 158, .32);
    background: rgba(93, 211, 158, .09);
    color: #8CE8BD;
}

.alert--info {
    border-color: rgba(var(--color-primary-rgb), .30);
    background: var(--color-primary-light);
    color: #FFB46F;
}

.admin-nav a,
.link-button {
    color: var(--color-gray-700);
}

.admin-nav a:hover,
.link-button:hover,
.admin-table a {
    color: var(--color-primary);
}

.admin-main {
    color: var(--color-gray-900);
}

.status--active {
    border-color: rgba(93, 211, 158, .34);
    background: rgba(93, 211, 158, .10);
    color: #8CE8BD;
}

.status--draft {
    border-color: rgba(247, 185, 85, .34);
    background: rgba(247, 185, 85, .09);
    color: #FFD38B;
}

.status--archived {
    border-color: var(--color-border-strong);
    background: var(--color-surface-2);
    color: var(--color-gray-500);
}

.admin-table-wrap,
.admin-table-wrap--matrix {
    border-color: var(--color-border);
    background: var(--color-surface);
}

.admin-table th {
    border-bottom-color: var(--color-border);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.admin-table td {
    border-bottom-color: var(--color-border);
    color: var(--color-gray-800);
}

.admin-table tbody tr:hover td {
    background: rgba(var(--color-primary-rgb), .035);
}

.admin-table--matrix th:first-child,
.admin-table--matrix td:first-child {
    background: var(--color-surface);
}

.admin-table--matrix thead th:first-child {
    background: var(--color-gray-100);
}

.admin-table--matrix .cell-changed {
    background: rgba(93, 211, 158, .10);
    color: #8CE8BD;
}

.completion__track,
.completion progress::-webkit-progress-bar {
    background: var(--color-gray-300);
}

.completion__bar,
.completion progress::-webkit-progress-value,
.completion progress::-moz-progress-bar {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.rule-group,
.admin-divider,
.import-confirmation {
    border-color: var(--color-border);
}

.warning-panel {
    border-color: rgba(247, 185, 85, .34);
    background: rgba(247, 185, 85, .08);
    color: var(--color-gray-800);
}

.check-row {
    border-color: var(--color-border);
    background: var(--color-surface-2);
}

.check-row input {
    accent-color: var(--color-primary);
}

.login-shell {
    background:
        radial-gradient(circle at 20% 10%, rgba(var(--color-primary-rgb), .10), transparent 28%),
        var(--color-bg);
}

.template-example,
.import-inline-callout {
    border-color: var(--color-border);
    background: var(--color-surface-2);
}

.template-example > div {
    border-color: var(--color-border);
    color: var(--color-gray-800);
}

.template-example > div:nth-child(-n+5) {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

@media (max-width: 639px) {
    .site-header__inner {
        min-height: 70px;
    }

    .brand-logo {
        width: 42px;
        height: 42px;
    }

    .brand-lockup strong {
        font-size: .98rem;
        letter-spacing: .13em;
    }

    .brand-lockup small {
        font-size: .54rem;
        letter-spacing: .075em;
    }

    .site-header .button {
        max-width: 138px;
        padding-inline: 10px;
        font-size: 12px;
        text-align: center;
    }

    .hero__inner {
        padding-block: 42px 48px;
    }

    .hero__brand {
        display: none;
    }
}

@media (min-width: 900px) {
    .hero__inner {
        grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
        gap: 48px;
        padding-block: 68px 70px;
    }

    .hero__brand img {
        max-width: 540px;
    }
}

/* Ajustes finais de controles compostos no tema escuro. */
.input-suffix,
.input-prefix {
    border: 0;
    background: transparent;
    color: inherit;
}

.input-suffix > span,
.input-prefix > span {
    border: 0;
    background: transparent;
    color: var(--color-gray-500);
}

.field [aria-invalid="true"] {
    border-color: var(--color-accent);
    background: rgba(249, 40, 19, 0.055);
}