/* =============================================================
   Utilità Notarili – Modern responsive layout
   Studio Manente
   ============================================================= */

:root {
    --color-bg: #f5f5f4;
    --color-surface: #ffffff;
    --color-surface-alt: #fafaf9;
    --color-text: #1a1d1a;
    --color-text-muted: #6b6e6b;
    --color-border: #e5e7e5;
    --color-border-strong: #d4d6d4;
    --color-accent: #7db592;
    --color-accent-hover: #6ba47e;
    --color-accent-light: #e8f2ec;
    --color-accent-tint: #f2f8f4;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI",
        "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --shadow-sm: 0 1px 2px rgba(20, 30, 20, 0.04);
    --shadow-md: 0 4px 16px rgba(20, 30, 20, 0.05);
}

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

html,
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* =============================================================
   App shell – sidebar + main content
   ============================================================= */
.app {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

/* =============================================================
   Sidebar
   ============================================================= */
.sidebar {
    background: var(--color-surface);
    padding: 32px 22px 40px;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px 0;
    letter-spacing: -0.3px;
}

.sidebar-subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-subtitle a,
.author-link {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 1px;
    font-weight: 500;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    transition: background 0.15s ease, border-color 0.15s ease,
        transform 0.05s ease;
    line-height: 1.3;
}

.nav-item:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-tint);
}

.nav-item.active {
    background: var(--color-accent-tint);
    border-color: var(--color-accent-tint);
}

.nav-item .nav-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.nav-item .nav-icon svg {
    width: 22px;
    height: 22px;
}

.nav-item .nav-icon.dot::after {
    content: "";
    width: 9px;
    height: 9px;
    background: var(--color-accent);
    border-radius: 50%;
    display: block;
}

.nav-item.active .nav-icon.dot::after {
    background: #3f8454;
}

.nav-item .nav-text {
    flex: 1;
    min-width: 0;
}

.nav-item .nav-arrow {
    margin-left: auto;
    color: var(--color-text-muted);
    font-size: 18px;
    line-height: 1;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* =============================================================
   Main content
   ============================================================= */
.main {
    padding: 36px 56px 64px;
    background: var(--color-bg);
    min-width: 0;
}

.breadcrumb {
    font-size: 14px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.breadcrumb a:hover {
    color: var(--color-accent-hover);
}

.breadcrumb .arrow {
    font-size: 16px;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 10px 0;
    letter-spacing: -0.6px;
    line-height: 1.15;
}

.page-subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
    margin: 0 0 24px 0;
}

.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0 0 36px 0;
}

/* Two-column grid: form | result */
.content-row {
    display: grid;
    grid-template-columns: minmax(300px, 420px) minmax(280px, 1fr);
    gap: 40px;
    align-items: start;
}

.content-row.single {
    grid-template-columns: 1fr;
    max-width: 640px;
}

/* =============================================================
   Form controls
   ============================================================= */
.form-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.field-label {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
    color: var(--color-text);
}

.field-help {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.input-box,
.select-box,
textarea.input-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 13px 16px;
    font-size: 15px;
    width: 100%;
    font-family: inherit;
    color: var(--color-text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-box:focus,
.select-box:focus,
textarea.input-box:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.input-prefix {
    position: relative;
}

.input-prefix .prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.input-prefix .input-box {
    padding-left: 32px;
}

/* Date group: gg / mm / aaaa */
.date-group {
    display: flex;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 6px 10px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.date-group:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.date-group input {
    border: none;
    background: transparent;
    font-size: 15px;
    padding: 10px 4px;
    text-align: center;
    width: 100%;
    min-width: 0;
    font-family: inherit;
    color: var(--color-text);
    outline: none;
    -moz-appearance: textfield;
}

.date-group input::-webkit-outer-spin-button,
.date-group input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.date-group .day {
    max-width: 44px;
}

.date-group .month {
    max-width: 44px;
}

.date-group .year {
    max-width: 64px;
}

.date-group .sep {
    color: var(--color-border-strong);
    padding: 0 2px;
    font-size: 15px;
    user-select: none;
}

.date-group .cal-icon {
    margin-left: auto;
    color: var(--color-text-muted);
    padding: 0 6px;
}

/* Button */
.btn {
    width: 100%;
    background: var(--color-accent);
    color: #ffffff;
    border: none;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.05s ease;
    font-family: inherit;
    text-align: center;
    display: inline-block;
    text-decoration: none;
}

.btn:hover {
    background: var(--color-accent-hover);
}

.btn:active {
    transform: translateY(1px);
}

.btn.secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}

.btn.secondary:hover {
    background: var(--color-accent-tint);
    border-color: var(--color-accent);
}

/* =============================================================
   Result card
   ============================================================= */
.result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.result-card-title {
    padding: 20px 24px 14px;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.result-card-subtitle {
    padding: 12px 24px;
    background: var(--color-accent-light);
    font-weight: 700;
    font-size: 15px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.result-row {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: 10px;
    align-items: baseline;
    padding: 14px 24px;
    border-top: 1px solid var(--color-border);
    font-size: 15px;
}

.result-row:first-of-type {
    border-top: none;
}

.result-row-label {
    font-weight: 500;
}

.result-row-percent {
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.result-row-arrow {
    color: var(--color-text-muted);
}

.result-row-value {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.result-row-value.euro::before {
    content: "€ ";
    color: var(--color-text);
    font-weight: 500;
}

.result-single {
    padding: 18px 24px;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
}

.result-single .result-single-label {
    color: var(--color-text);
    font-weight: 500;
}

.result-single .result-single-value {
    font-weight: 700;
    font-size: 16px;
    font-variant-numeric: tabular-nums;
}

.result-block {
    padding: 4px 24px 20px;
}

.result-block textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    resize: vertical;
    min-height: 120px;
    background: var(--color-surface-alt);
}

/* =============================================================
   Info note
   ============================================================= */
.info-note {
    font-size: 13px;
    color: var(--color-text-muted);
    margin: 32px 0 0 0;
    line-height: 1.55;
}

.info-note em,
.info-note i {
    font-style: italic;
}

.formula {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-family: "SF Mono", "Menlo", Consolas, monospace;
    font-size: 14px;
    margin-top: 8px;
    color: var(--color-text);
}

.formula sup {
    font-size: 0.75em;
}

/* =============================================================
   Index page specific layout
   ============================================================= */
.page-index .app {
    grid-template-columns: 1fr;
}

.page-index .sidebar {
    display: none;
}

.page-index .main {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.page-index .page-title {
    font-size: 40px;
    text-align: left;
}

.page-index .page-subtitle {
    margin-bottom: 28px;
}

.page-index .nav-list.index-list {
    gap: 12px;
}

.page-index .nav-list.index-list .nav-item {
    padding: 16px 18px;
    font-size: 15px;
}

/* Mobile back on index = no breadcrumb */
.page-index .breadcrumb {
    display: none;
}

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 960px) {
    .app {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .main {
        padding: 24px 20px 48px;
    }

    .page-title {
        font-size: 28px;
    }

    .content-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 20px 16px 40px;
    }

    .page-title {
        font-size: 26px;
    }

    .result-row {
        grid-template-columns: 1fr auto;
        row-gap: 4px;
    }

    .result-row-arrow {
        display: none;
    }
}

/* =============================================================
   Legacy hide – nasconde elementi LAKER non più utili
   ============================================================= */
.dossier-number,
.edge-left,
.edge-right,
.dossier-headline-arrow,
.footer {
    display: none !important;
}

/* =============================================================
   Intestazione di stampa (Studio Notarile Manente – data).
   A schermo è nascosta; in stampa compare una volta in cima
   al documento (Safari taglia il contenuto successivo se
   l'header è position:fixed, quindi stiamo nel flusso).
   ============================================================= */
.print-header {
    display: none;
}

/* =============================================================
   Stampa – mantiene il design originale della pagina,
   rimuovendo solo menu laterale, breadcrumb e pulsanti.
   Forza il layout a colonna singola per evitare il
   clipping della card "Risultato" su fogli A4.
   ============================================================= */
@media print {
    @page {
        margin: 8mm 12mm 8mm 12mm;
    }

    /* Preserva i colori di sfondo (verde chiaro della card risultato) */
    html,
    body,
    .result-card,
    .result-card-subtitle {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    html,
    body {
        background: #ffffff !important;
        font-size: 9.5pt !important;
        line-height: 1.3 !important;
    }

    /* Intestazione compatta in cima al documento */
    .print-header {
        display: block !important;
        text-align: right;
        font-size: 8pt;
        color: #777777;
        font-family: var(--font-sans);
        letter-spacing: 0.2px;
        margin-bottom: 3mm;
        padding-bottom: 1.5mm;
        border-bottom: 0.5pt solid #cccccc;
    }

    .app {
        display: block;
        max-width: 100%;
        margin: 0;
    }

    /* Elementi nascosti in stampa */
    .sidebar,
    .breadcrumb,
    .btn,
    .btn.secondary,
    .sidebar-footer {
        display: none !important;
    }

    .main {
        padding: 0 !important;
        background: #ffffff !important;
        max-width: 100% !important;
    }

    /* ---- Testata ridotta ---- */
    .page-title {
        font-size: 15pt !important;
        margin: 0 0 2pt 0 !important;
        line-height: 1.15 !important;
        letter-spacing: -0.2px !important;
    }

    .page-subtitle {
        font-size: 9pt !important;
        margin: 0 0 5pt 0 !important;
        line-height: 1.25 !important;
    }

    .divider {
        margin: 0 0 6pt 0 !important;
    }

    /* ---- Layout a colonna singola ---- */
    .content-row,
    .content-row.single {
        grid-template-columns: 1fr !important;
        gap: 6pt !important;
    }

    .form-section {
        gap: 4pt !important;
    }

    .field-label {
        font-size: 9pt !important;
        margin-bottom: 1pt !important;
    }

    .field-help {
        font-size: 8pt !important;
        margin-top: 1pt !important;
    }

    /* ---- Input compatti ---- */
    .input-box,
    .select-box,
    .date-group,
    textarea.input-box {
        padding: 3pt 8pt !important;
        font-size: 9.5pt !important;
        border-radius: 3pt !important;
        box-shadow: none !important;
        min-height: 0 !important;
        height: auto !important;
    }

    .date-group input {
        padding: 2pt 2pt !important;
        font-size: 9.5pt !important;
    }

    /* ---- Prefisso € in stampa ----
       Safari in modalità print non applica in modo affidabile il
       layout flex né il "position: static" sul prefisso assoluto:
       il simbolo € finisce per sovrapporsi ai numeri. Soluzione
       robusta: in stampa il simbolo € viene nascosto come overlay
       grafico, e la valuta è comunicata dall'etichetta del campo
       ("... (€)"). L'input torna al padding standard. */
    .input-prefix .prefix {
        display: none !important;
    }

    .input-prefix .input-box {
        padding-left: 9pt !important;
    }

    /* ---- Card del risultato compatta ---- */
    .result-card {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 4pt !important;
        box-shadow: none !important;
        margin-top: 0 !important;
    }

    .result-card-title {
        padding: 4pt 10pt 2pt !important;
        font-size: 10.5pt !important;
    }

    .result-card-subtitle {
        padding: 3pt 10pt !important;
        font-size: 9pt !important;
    }

    .result-row {
        padding: 3pt 10pt !important;
        font-size: 9.5pt !important;
        grid-template-columns: 1fr auto auto minmax(12ch, auto) !important;
    }

    .result-row-value.euro input {
        width: 11ch !important;
        font-size: 9.5pt !important;
    }

    .result-row-percent input,
    .result-row-value input {
        font-size: 9.5pt !important;
    }

    .result-single {
        padding: 4pt 10pt !important;
    }

    .result-block {
        padding: 2pt 10pt 5pt !important;
    }

    /* ---- Elementi esplicativi ---- */
    .info-note {
        font-size: 8.5pt !important;
        margin-top: 5pt !important;
    }

    .formula {
        padding: 4pt 8pt !important;
        font-size: 9pt !important;
    }

    /* Evito page-break-inside: avoid sulla result-card per non
       far sparire l'elemento in Safari; lo lascio solo sui
       gruppi del form e sulla formula. */
    .formula,
    .form-section > div {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    /* Link: niente sottolineature colorate inutili */
    a,
    a:visited {
        color: inherit;
        text-decoration: none;
    }

    /* Il titolo non deve restare isolato dal contenuto sottostante */
    .page-title,
    .page-subtitle {
        page-break-after: avoid;
    }
}