/* Prima Nota JPS — stile accounting professional */

:root {
    --bg: #faf7f1;
    --bg-paper: #ffffff;
    --bg-alt: #f3eee3;
    --border: #e3dccc;
    --border-strong: #c9bfa8;
    --ink: #1c1815;
    --ink-soft: #6b6457;
    --ink-faint: #9a9285;
    --accent: #2d4a3e;
    --accent-hover: #1f3329;
    --accent-soft: #e8efe9;
    --positive: #2d6a4f;
    --negative: #a02834;
    --warning: #9c6f1e;
    --shadow-sm: 0 1px 2px rgba(28, 24, 21, 0.04);
    --shadow-md: 0 2px 8px rgba(28, 24, 21, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

.layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    background: var(--ink);
    color: #d8d4cb;
    padding: 24px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar .brand {
    padding: 0 24px 24px;
    border-bottom: 1px solid #2e2925;
    margin-bottom: 16px;
}

.sidebar .brand h1 {
    font-family: "IBM Plex Serif", Georgia, serif;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #faf7f1;
    letter-spacing: -0.01em;
}

.sidebar .brand .sub {
    font-size: 11px;
    color: #8a8478;
    margin-top: 4px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
}

.sidebar nav a {
    display: block;
    padding: 9px 24px;
    color: #b8b3a8;
    text-decoration: none;
    font-size: 13px;
    border-left: 2px solid transparent;
    transition: all 0.12s;
}

.sidebar nav a:hover {
    background: #2e2925;
    color: #faf7f1;
}

.sidebar nav a.active {
    color: #faf7f1;
    background: #2e2925;
    border-left-color: var(--accent);
}

.sidebar nav .section {
    font-size: 10px;
    color: #6e685c;
    padding: 16px 24px 4px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}

/* MAIN */
.main {
    padding: 28px 36px;
    max-width: 100%;
    overflow-x: auto;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.page-head h2 {
    font-family: "IBM Plex Serif", Georgia, serif;
    font-size: 26px;
    font-weight: 500;
    margin: 0;
    letter-spacing: -0.015em;
}

.page-head .sub {
    color: var(--ink-soft);
    font-size: 13px;
    margin-top: 4px;
}

/* CARDS */
.card {
    background: var(--bg-paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.card h3 {
    font-family: "IBM Plex Serif", Georgia, serif;
    font-size: 16px;
    margin: 0 0 16px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.005em;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat {
    background: var(--bg-paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 16px 18px;
}

.stat .label {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.stat .value {
    font-family: "IBM Plex Mono", monospace;
    font-size: 22px;
    font-weight: 500;
    color: var(--ink);
    font-feature-settings: "tnum";
}

.stat .meta {
    font-size: 11px;
    color: var(--ink-faint);
    margin-top: 4px;
}

/* TABLES */
table.data {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-paper);
    border: 1px solid var(--border);
    font-size: 13px;
}

table.data thead th {
    background: var(--bg-alt);
    color: var(--ink-soft);
    font-weight: 600;
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-strong);
}

table.data tbody td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

table.data tbody tr:hover {
    background: var(--bg-alt);
}

table.data tbody tr:last-child td { border-bottom: none; }

table.data tfoot td {
    background: var(--bg-alt);
    padding: 10px 12px;
    font-weight: 600;
    border-top: 2px solid var(--border-strong);
}

td.num, th.num {
    font-family: "IBM Plex Mono", monospace;
    text-align: right;
    font-feature-settings: "tnum";
    white-space: nowrap;
}

td.code {
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    color: var(--ink-soft);
}

td.positive, .positive { color: var(--positive); }
td.negative, .negative { color: var(--negative); }
td.muted, .muted { color: var(--ink-faint); }

.badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid #cfd9d0;
}

.badge.entrata { background: #e8f0ea; color: var(--positive); border-color: #c8d8ce; }
.badge.uscita { background: #f5e3e3; color: var(--negative); border-color: #e3c8c8; }
.badge.intercompany { background: #efe9d9; color: #7a5520; border-color: #d8ccac; }
.badge.giroconto { background: #e6e8ed; color: #3b4660; border-color: #c8ccd8; }

/* FORMS */
form.tight { display: grid; gap: 14px; }

.field {
    display: flex;
    flex-direction: column;
}

.field label {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 4px;
    font-weight: 600;
}

.field input, .field select, .field textarea {
    padding: 8px 10px;
    font-family: inherit;
    font-size: 14px;
    border: 1px solid var(--border-strong);
    border-radius: 3px;
    background: var(--bg-paper);
    color: var(--ink);
}

.field input:focus, .field select:focus, .field textarea:focus {
    outline: 2px solid var(--accent-soft);
    border-color: var(--accent);
}

.field input[type="number"], .field input[type="date"] {
    font-family: "IBM Plex Mono", monospace;
}

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

.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

@media (max-width: 800px) {
    .form-row.cols-2, .form-row.cols-3, .form-row.cols-4 { grid-template-columns: 1fr; }
}

.btn {
    display: inline-block;
    padding: 9px 18px;
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
    border-radius: 3px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
}

.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.secondary {
    background: var(--bg-paper);
    color: var(--ink);
    border-color: var(--border-strong);
}
.btn.secondary:hover { background: var(--bg-alt); }
.btn.danger {
    background: var(--bg-paper);
    color: var(--negative);
    border-color: #e0c0c0;
}
.btn.danger:hover { background: #f9eaea; }

.btn-row { display: flex; gap: 10px; margin-top: 18px; align-items: center; }

/* Filter bar */
.filterbar {
    background: var(--bg-paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px 18px;
    margin-bottom: 18px;
}
.filterbar form { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; align-items: end; }
.filterbar .field label { font-size: 10px; }
.filterbar .field input, .filterbar .field select { padding: 6px 8px; font-size: 13px; }
@media (max-width: 1100px) { .filterbar form { grid-template-columns: repeat(2, 1fr); } }

/* Matrix table */
table.matrix {
    border-collapse: collapse;
    background: var(--bg-paper);
    border: 1px solid var(--border);
    font-size: 13px;
}
table.matrix th, table.matrix td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    text-align: center;
}
table.matrix thead th {
    background: var(--bg-alt);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
table.matrix tbody th {
    background: var(--bg-alt);
    text-align: left;
    font-weight: 600;
}
table.matrix td.diag {
    background: repeating-linear-gradient(45deg, var(--bg-alt), var(--bg-alt) 4px, var(--bg-paper) 4px, var(--bg-paper) 8px);
}
table.matrix td.cell a {
    color: inherit;
    text-decoration: none;
    font-family: "IBM Plex Mono", monospace;
    display: block;
    font-feature-settings: "tnum";
}
table.matrix td.cell a:hover { text-decoration: underline; }

/* Hint testo */
.hint {
    font-size: 12px;
    color: var(--ink-soft);
    margin-top: 6px;
    font-style: italic;
}

/* Sezione collassabile IVA */
.toggle-group { margin: 14px 0; padding: 14px; background: var(--bg-alt); border: 1px dashed var(--border-strong); border-radius: 3px; }
.toggle-group .toggle-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.toggle-group .toggle-head label { margin: 0; }

/* Sub-tabs */
.subtabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.subtabs a {
    padding: 10px 18px;
    text-decoration: none;
    color: var(--ink-soft);
    font-size: 13px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.subtabs a.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.subtabs a:hover { color: var(--ink); }

.empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--ink-faint);
    font-style: italic;
}

.inline-form { display: inline; }