:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --text: #1c2330;
    --muted: #667085;
    --border: #dfe3ea;
    --accent: #1f5fd1;
    --accent-text: #ffffff;
    --done-bg: #e3f5e9;
    --done-text: #17663a;
    --missing-bg: #fde8e6;
    --missing-text: #a3261b;
    --pending-bg: #fff3d6;
    --pending-text: #7a5300;
    --neutral-bg: #e9edf3;
    --neutral-text: #3b4658;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1 {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.2;
}

h2 {
    margin: 0 0 12px;
    font-size: 1.05rem;
}

h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

[hidden] {
    display: none !important;
}

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

.note {
    font-size: 0.87rem;
    margin: 12px 0 0;
}

.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* Layout */

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    height: 54px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.topbar__brand {
    font-weight: 700;
    color: var(--text);
}

.topbar__nav {
    display: flex;
    gap: 4px;
    flex: 1;
}

.topbar__nav a {
    padding: 6px 12px;
    border-radius: 6px;
    color: var(--neutral-text);
}

.topbar__nav a[aria-current="page"] {
    background: var(--neutral-bg);
    color: var(--text);
    font-weight: 600;
}

.topbar__user {
    display: flex;
    gap: 14px;
    color: var(--muted);
}

.page {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px;
}

.page__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.page__head p {
    margin: 6px 0 0;
    max-width: 70ch;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--muted);
}

.columns {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 20px;
    align-items: start;
}

.columns--even {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 8px;
}

.bottleneck {
    margin-bottom: 20px;
}

.bottleneck .callout {
    margin-bottom: 14px;
}

.table tr.is-bottleneck td {
    background: var(--missing-bg);
}

.table tr.table__section th {
    padding-top: 14px;
    font-size: 0.8rem;
    color: var(--muted);
}

.hypotheses,
.registry {
    margin-bottom: 20px;
}

.hypothesis-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.hypothesis {
    padding: 12px 0;
    border-top: 1px solid var(--border);
}

.hypothesis p {
    margin: 6px 0;
}

.hypothesis.is-queued {
    opacity: 0.7;
}

.hypothesis__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 8px;
}

.hypothesis__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.hypothesis__actions .inline-form {
    display: flex;
    gap: 6px;
    align-items: center;
}

.hypothesis__actions input[type="date"],
.hypothesis__actions input[type="text"] {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
}

.inline-details summary {
    cursor: pointer;
}

.inline-details[open] {
    display: flex;
    gap: 8px;
    align-items: center;
}

textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
}

.landings {
    margin-bottom: 20px;
}

.landing {
    border-top: 1px solid var(--border);
    padding: 10px 0;
}

.landing summary {
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
}

.landing .facts {
    margin-top: 10px;
}

.drilldown {
    margin-top: 14px;
}

.drilldown summary {
    cursor: pointer;
    font-weight: 600;
}

.after-lead {
    margin-bottom: 20px;
}

.after-lead h3 {
    margin: 16px 0 8px;
}

.stack {
    display: grid;
    gap: 20px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin: 0;
    min-width: 0;
}

.card--narrow {
    max-width: 560px;
}

fieldset.card {
    margin-bottom: 20px;
}

fieldset.card legend {
    padding: 0 6px;
    font-weight: 600;
}

.empty {
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
}

.empty p {
    margin: 4px 0;
}

/* Tabelle */

.table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.table th.num,
.table td.num {
    text-align: right;
}

.table th {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
}

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

/* Badge e avvisi */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    background: var(--neutral-bg);
    color: var(--neutral-text);
}

.badge--done,
.badge--active,
.badge--level-a {
    background: var(--done-bg);
    color: var(--done-text);
}

.badge--missing,
.badge--failing,
.badge--level-c {
    background: var(--missing-bg);
    color: var(--missing-text);
}

.badge--pending,
.badge--collecting,
.badge--level-b {
    background: var(--pending-bg);
    color: var(--pending-text);
}

.flash,
.callout {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin: 0 0 16px;
    background: var(--neutral-bg);
    color: var(--neutral-text);
}

.flash--success,
.callout--done {
    background: var(--done-bg);
    color: var(--done-text);
}

.flash--error,
.callout--missing {
    background: var(--missing-bg);
    color: var(--missing-text);
}

.callout--pending {
    background: var(--pending-bg);
    color: var(--pending-text);
}

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

code {
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--neutral-bg);
    font-size: 0.9em;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

select {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

.badge--health-reliable {
    background: var(--done-bg);
    color: var(--done-text);
}

.badge--health-check {
    background: var(--pending-bg);
    color: var(--pending-text);
}

.badge--health-compromised {
    background: var(--missing-bg);
    color: var(--missing-text);
}

/* Salute del tracciamento */

.health {
    margin-bottom: 20px;
}

.health--compromised {
    border-color: var(--missing-text);
}

.findings {
    list-style: none;
    margin: 0;
    padding: 0;
}

.finding {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.finding:last-child {
    border-bottom: 0;
}

.finding > span:nth-child(2) {
    flex: 1;
    min-width: 260px;
}

/* KPI */

.kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.kpis > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.kpis strong {
    font-size: 1.3rem;
    font-variant-numeric: tabular-nums;
}

.kpis .muted {
    font-size: 0.83rem;
}

.url {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Funnel */

.funnel {
    margin-bottom: 20px;
}

.funnel h3 {
    margin: 22px 0 8px;
}

.funnel .callout {
    margin: 14px 0 0;
}

.card__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px 16px;
    margin-bottom: 12px;
}

.card__head h2 {
    margin: 0;
    margin-right: auto;
}

.inline-form {
    margin: 0;
}

.button:disabled {
    opacity: 0.6;
    cursor: progress;
}

.tabs {
    display: flex;
    gap: 4px;
}

.tabs a {
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--neutral-text);
    font-size: 0.87rem;
}

.tabs a[aria-current="true"] {
    background: var(--neutral-bg);
    color: var(--text);
    font-weight: 600;
}

.table-scroll {
    overflow-x: auto;
}

.table--compact th,
.table--compact td {
    padding: 7px 10px;
}

.table--compact th:first-child,
.table--compact td:first-child {
    padding-left: 0;
}

.table tfoot th,
.table tfoot td {
    border-top: 2px solid var(--border);
    border-bottom: 0;
    font-size: inherit;
    font-weight: 600;
    color: var(--text);
}

.facts--inline {
    grid-template-columns: repeat(4, auto 1fr);
    align-items: baseline;
}

/* Onboarding */

.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 18px;
}

.step__number {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--neutral-bg);
    font-size: 0.78rem;
}

.checks {
    list-style: none;
    margin: 0;
    padding: 0 0 0 30px;
}

.check {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 10px;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
}

.check:last-child {
    border-bottom: 0;
}

.check__label::before {
    display: inline-block;
    width: 1.3em;
    font-weight: 700;
}

.check--done .check__label::before {
    content: "✓";
    color: var(--done-text);
}

.check--missing .check__label::before {
    content: "✕";
    color: var(--missing-text);
}

.check--failing .check__label::before {
    content: "!";
    color: var(--missing-text);
}

.check--pending .check__label::before {
    content: "…";
    color: var(--pending-text);
}

.check__detail {
    flex: 1;
    color: var(--muted);
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

/* Elenchi */

.list {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}

.list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.list--compact li {
    padding: 4px 0;
    font-size: 0.9rem;
}

.site-scan p {
    margin: 0 0 8px;
}

.site-scan details {
    margin-top: 10px;
}

.site-scan summary {
    cursor: pointer;
    font-weight: 600;
}

.facts {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 16px;
    margin: 0;
}

.facts dt {
    color: var(--muted);
}

.facts dd {
    margin: 0;
}

/* Form */

.form label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form input:not([type="hidden"]),
.form select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

.form input:focus,
.form select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.form > div,
.form .grid > div {
    margin-bottom: 14px;
}

.form .help-text,
.form [id$="_help"] {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.83rem;
}

.form ul {
    list-style: none;
    margin: 0 0 6px;
    padding: 0;
    color: var(--missing-text);
    font-size: 0.87rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
}

.form--inline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    gap: 0 10px;
    align-items: end;
}

.form--inline > ul {
    grid-column: 1 / -1;
}

.form--inline .button {
    margin-bottom: 14px;
}

.actions {
    display: flex;
    gap: 10px;
}

.button {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--accent);
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-text);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.button:hover {
    text-decoration: none;
    filter: brightness(1.08);
}

.button--ghost {
    background: transparent;
    color: var(--accent);
}

.button--small {
    padding: 8px 12px;
}

.link {
    border: 0;
    padding: 0;
    background: none;
    color: var(--accent);
    font: inherit;
    cursor: pointer;
}

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

/* Login */

.login {
    max-width: 360px;
    margin: 10vh auto 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.login p {
    margin: 4px 0 20px;
}

.login .button {
    width: 100%;
}

.login .login__links {
    margin: 20px 0 0;
    font-size: 0.87rem;
    text-align: center;
}

/* Pagine pubbliche (presentazione, privacy) */

.legal {
    max-width: 720px;
    margin: 4vh auto 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.legal h2 {
    margin: 24px 0 8px;
}

.legal h3 {
    margin: 16px 0 6px;
}

.legal p,
.legal ul {
    margin: 0 0 12px;
}

.legal ul {
    padding-left: 20px;
}

.legal__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0 0;
}

@media (max-width: 900px) {
    .columns,
    .grid,
    .form--inline {
        grid-template-columns: minmax(0, 1fr);
    }

    .facts--inline {
        grid-template-columns: auto 1fr;
    }

    .page {
        padding: 16px;
    }
}