/* Tema CryptoTax: sopra Bootstrap 5. Palette ardesia + blu, tipografia di sistema, superfici
   morbide. Nessuna dipendenza esterna (font o icone): l'app gira anche senza internet. */
:root {
    --ct-bg: #f4f6fb;
    --ct-surface: #ffffff;
    --ct-border: #e3e8f0;
    --ct-text: #1c2434;
    --ct-muted: #64748b;
    --ct-primary: #2457d6;
    --ct-primary-dark: #1b45ad;
    --ct-primary-soft: #e8eefc;
    --ct-success: #15803d;
    --ct-warning: #b45309;
    --ct-danger: #b91c1c;
    --bs-body-bg: var(--ct-bg);
    --bs-body-color: var(--ct-text);
    --bs-link-color: var(--ct-primary);
    --bs-link-hover-color: var(--ct-primary-dark);
    --bs-border-color: var(--ct-border);
}

html, body {
    font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    background-color: var(--ct-bg);
    color: var(--ct-text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--ct-text);
}

h1 { font-size: 1.65rem; margin-bottom: 0.35rem; }
h3 { font-size: 1.2rem; margin-top: 2rem; }
h4 { font-size: 1.05rem; }

h1:focus { outline: none; }

.page-intro {
    color: var(--ct-muted);
    max-width: 70ch;
    margin-bottom: 1.25rem;
}

a, .btn-link { color: var(--ct-primary); text-decoration: none; }
a:hover, .btn-link:hover { color: var(--ct-primary-dark); text-decoration: underline; }

.btn { border-radius: 0.55rem; font-weight: 500; }
.btn-primary { background-color: var(--ct-primary); border-color: var(--ct-primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background-color: var(--ct-primary-dark); border-color: var(--ct-primary-dark); }
.btn-outline-primary { color: var(--ct-primary); border-color: var(--ct-primary); }
.btn-outline-primary:hover { background-color: var(--ct-primary); border-color: var(--ct-primary); }

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-select:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(36, 87, 214, 0.25);
    border-color: var(--ct-primary);
}

.card {
    border: 1px solid var(--ct-border);
    border-radius: 0.9rem;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 14px rgba(16, 24, 40, 0.05);
    background: var(--ct-surface);
}

.card-title { font-weight: 600; font-size: 0.95rem; color: var(--ct-muted); text-transform: uppercase; letter-spacing: 0.04em; }

.form-control, .form-select { border-radius: 0.55rem; border-color: var(--ct-border); }
.form-label { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.3rem; }
.form-text { color: var(--ct-muted); }

.table { background: var(--ct-surface); border-radius: 0.75rem; overflow: hidden; --bs-table-bg: transparent; }
.table > thead { background: #f1f4f9; }
.table > thead th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ct-muted); font-weight: 600; border-bottom: 1px solid var(--ct-border); }
.table > tbody td { border-color: #eef1f6; vertical-align: middle; }
.table-striped > tbody > tr:nth-of-type(odd) > * { --bs-table-accent-bg: #f9fafc; }
.table-responsive { background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 0.75rem; }
.table-responsive .table { border-radius: 0; margin-bottom: 0; }

.alert { border-radius: 0.75rem; border-width: 0; }
.alert-warning { background: #fff7e6; color: #7c4a03; }
.alert-danger { background: #fdecec; color: #7f1d1d; }
.alert-success { background: #e8f7ee; color: #14532d; }
.alert-secondary, .alert-info { background: var(--ct-primary-soft); color: #1e3a8a; }

.badge { font-weight: 600; border-radius: 0.45rem; padding: 0.35em 0.55em; }

.nav-tabs { border-bottom-color: var(--ct-border); }
.nav-tabs .nav-link { color: var(--ct-muted); border: 0; border-bottom: 2px solid transparent; font-weight: 500; }
.nav-tabs .nav-link.active { color: var(--ct-primary); border-bottom-color: var(--ct-primary); background: transparent; }

.content { padding-top: 1.4rem; padding-bottom: 3rem; max-width: 1200px; }

/* Checklist guidata della dashboard */
.ct-steps { display: grid; gap: 0.75rem; }
.ct-step {
    display: grid; grid-template-columns: 2.4rem 1fr auto; gap: 0.9rem; align-items: start;
    background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 0.9rem; padding: 0.9rem 1.1rem;
}
.ct-step .ct-step-num {
    width: 2.1rem; height: 2.1rem; border-radius: 50%; display: grid; place-items: center;
    font-weight: 700; background: var(--ct-primary-soft); color: var(--ct-primary);
}
.ct-step.done .ct-step-num { background: #e8f7ee; color: var(--ct-success); }
.ct-step.todo { border-color: #c7d5f5; }
.ct-step h5 { margin: 0 0 0.2rem; font-size: 1rem; }
.ct-step p { margin: 0; color: var(--ct-muted); font-size: 0.92rem; max-width: 72ch; }
.ct-step .ct-step-action { align-self: center; white-space: nowrap; }

.ct-kpi { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.ct-kpi .card { flex: 1 1 180px; }
.ct-kpi .display-6 { font-size: 2rem; font-weight: 650; margin: 0.15rem 0 0.5rem; }

/* Guida */
.ct-guide h3 { margin-top: 2rem; }
.ct-guide table td, .ct-guide table th { font-size: 0.92rem; }
.ct-guide .lead { color: var(--ct-muted); }

.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem 1rem 1rem 1.5rem;
    color: white;
    border-radius: 0.75rem;
}
.blazor-error-boundary::after { content: "Si è verificato un errore. Ricarica la pagina."; }

.darker-border-checkbox.form-check-input { border-color: #929292; }

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder { text-align: start; }

/* Simulatore "se vendessi oggi": riquadri riepilogo compatti */
.stat-card { background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 0.75rem; padding: 0.7rem 0.9rem; height: 100%; }
.stat-label { font-size: 0.72rem; font-weight: 600; color: var(--ct-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.15rem; font-weight: 650; margin-top: 0.15rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.stat-sub { font-size: 0.72rem; color: var(--ct-muted); }