/* ─── Reset & variabili ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary:     #4f46e5;
    --color-primary-dk:  #4338ca;
    --color-primary-soft:#eef2ff;
    --color-success:     #16a34a;
    --color-danger:      #dc2626;
    --color-warning:     #d97706;
    --color-info:        #0284c7;
    --color-bg:          #f1f5f9;
    --color-surface:     #ffffff;
    --color-border:      #e5e7eb;
    --color-text:        #0f172a;
    --color-muted:       #64748b;
    --sidebar-width:     248px;
    --topbar-height:     60px;
    --radius:            12px;
    --radius-sm:         8px;
    --shadow:            0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.08);
    --shadow-md:         0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
    --shadow-lg:         0 10px 30px rgba(15,23,42,.12);
    --ring:              0 0 0 3px rgba(79,70,229,.18);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Layout applicazione ─────────────────────────────────────── */
.app-page { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform .25s ease;
    border-right: 1px solid rgba(255,255,255,.06);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.35rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.brand-name::before {
    content: "";
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(79,70,229,.25);
}

.sidebar-toggle { background: none; border: none; color: #94a3b8; cursor: pointer; font-size: 1.1rem; padding: .25rem; }

.nav-list { list-style: none; padding: .75rem .6rem; flex: 1; }

.nav-section {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .09em;
    color: #64748b;
    padding: 1rem .65rem .35rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .55rem .65rem;
    margin: .1rem 0;
    color: #cbd5e1;
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background .15s, color .15s, transform .05s;
}

.nav-link:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-link:active { transform: scale(.99); }
.nav-link.active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(79,70,229,.4);
}
.nav-icon { font-size: 1rem; }

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,.07);
}

.user-info { margin-bottom: .5rem; }
.user-name  { display: block; font-size: .9rem; font-weight: 600; color: #e2e8f0; }
.user-email { display: block; font-size: .75rem; color: #718096; }

.btn-logout {
    background: none;
    border: 1px solid rgba(255,255,255,.15);
    color: #a0aec0;
    padding: .4rem .75rem;
    border-radius: var(--radius);
    font-size: .8rem;
    cursor: pointer;
    width: 100%;
    margin-top: .5rem;
    transition: background .15s, color .15s;
}
.btn-logout:hover { background: rgba(255,255,255,.08); color: #fff; }

/* Main wrapper */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: rgba(255,255,255,.85);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 1.75rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-open-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-muted);
    padding: .25rem;
}

.page-title { font-size: 1.15rem; font-weight: 700; color: var(--color-text); letter-spacing: -.01em; }

/* Main content */
.main-content { padding: 1.75rem; flex: 1; max-width: 1500px; width: 100%; }

/* ─── Layout autenticazione ───────────────────────────────────── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(79,70,229,.18), transparent 60%),
        linear-gradient(160deg, #1e293b, #0f172a);
}

.auth-wrapper {
    width: 100%;
    max-width: 400px;
}

.auth-brand {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
}

.brand-icon { margin-right: .4rem; color: var(--color-primary); }

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.25rem;
    border: 1px solid var(--color-border);
}

.auth-card h2 { font-size: 1.3rem; margin-bottom: 1.5rem; letter-spacing: -.01em; }

/* ─── Componenti UI ───────────────────────────────────────────── */

/* Card */
.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    overflow: hidden;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: -.005em;
}
.card-body { padding: 1.25rem; }

/* Form */
.form-group { margin-bottom: 1.1rem; }

label {
    display: block;
    font-size: .875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: .4rem;
}

input[type=text],
input[type=email],
input[type=password],
input[type=number],
input[type=date],
input[type=search],
select,
textarea {
    width: 100%;
    padding: .55rem .8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: .92rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color .15s, box-shadow .15s;
}

input::placeholder, textarea::placeholder { color: #94a3b8; }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--ring);
}

input.is-invalid, select.is-invalid, textarea.is-invalid { border-color: var(--color-danger); }
input.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.15); }

.field-error { display: block; font-size: .8rem; color: var(--color-danger); margin-top: .3rem; }

/* Bottoni */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .55rem 1.05rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, border-color .15s, box-shadow .15s, transform .05s;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }

.btn-primary   { background: var(--color-primary);  color: #fff; border-color: var(--color-primary); box-shadow: 0 1px 2px rgba(79,70,229,.25); }
.btn-primary:hover { background: var(--color-primary-dk); border-color: var(--color-primary-dk); }

.btn-success   { background: var(--color-success); color: #fff; }
.btn-success:hover { filter: brightness(.95); }
.btn-danger    { background: var(--color-danger);  color: #fff; }
.btn-danger:hover  { filter: brightness(.95); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: #f8fafc; border-color: #cbd5e1; }
.btn-sm        { padding: .35rem .7rem; font-size: .8rem; border-radius: 7px; }
.btn-block     { width: 100%; justify-content: center; }

/* Alerts */
.alert {
    padding: .8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.alert-success { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.alert-error   { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.alert-warning { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.alert-info    { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }

/* Tabelle */
.table-wrapper { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead th {
    background: #f8fafc;
    padding: .7rem .9rem;
    text-align: left;
    font-size: .73rem;
    font-weight: 700;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--color-border);
}
tbody td {
    padding: .8rem .9rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}
tbody tr { transition: background .12s; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }

/* Badge stato */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .22rem .6rem;
    border-radius: 99px;
    font-size: .74rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.badge-green  { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }
.badge-red    { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.badge-yellow { background: #fef9c3; color: #a16207; border-color: #fde68a; }
.badge-blue   { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }
.badge-gray   { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1.1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    padding: 1.35rem 1.25rem;
    transition: box-shadow .15s, transform .1s;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.stat-value {
    display: block;
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.1;
    letter-spacing: -.02em;
}

.stat-label {
    display: block;
    font-size: .8rem;
    font-weight: 500;
    color: var(--color-muted);
    margin-top: .35rem;
}

/* Pagina errore */
.error-page { text-align: center; padding: 2rem; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--color-primary); opacity: .3; line-height: 1; }
.error-page h1 { font-size: 1.5rem; margin: .5rem 0; }
.error-page p  { color: var(--color-muted); margin-bottom: 1.5rem; }

/* ─── Toolbar (sopra le tabelle) ─────────────────────────────── */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.search-form {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex: 1;
    min-width: 200px;
}
.search-input {
    flex: 1;
    padding: .5rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: .9rem;
    max-width: 400px;
}
.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(66,153,225,.15);
}

/* ─── Form azioni (fondo form) ────────────────────────────────── */
.form-actions {
    display: flex;
    gap: .75rem;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* ─── Grid form a 2 colonne ───────────────────────────────────── */
.form-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: start;
}
@media (max-width: 900px) {
    .form-grid-2col { grid-template-columns: 1fr; }
}

/* ─── Righe interne ai form ───────────────────────────────────── */
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row-3 { display: flex; gap: 1rem; }

/* ─── Azioni nelle tabelle ────────────────────────────────────── */
td.actions { display: flex; gap: .4rem; align-items: center; white-space: nowrap; }

/* ─── Paginazione ─────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}
.pagination-info { font-size: .875rem; color: var(--color-muted); }
.pagination-links { display: flex; gap: .25rem; }
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 .5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-surface);
    font-size: .875rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background .15s, border-color .15s;
}
.page-btn:hover   { background: var(--color-bg); border-color: var(--color-primary); }
.page-btn.active  { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ─── Elementi di supporto form ───────────────────────────────── */
.required { color: var(--color-danger); }
.hint      { display: block; font-size: .78rem; color: var(--color-muted); margin-top: .25rem; }
.text-muted { color: var(--color-muted); }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: .5rem;
    cursor: pointer;
    font-weight: 400;
    font-size: .95rem;
}
.checkbox-label input[type=checkbox] { width: auto; }

/* ─── Tabella righe documento ─────────────────────────────────── */
.lines-table th, .lines-table td { padding: .35rem .5rem; font-size: .85rem; }
.lines-table input[type=text],
.lines-table input[type=number],
.lines-table select { padding: .3rem .4rem; font-size: .82rem; }

/* ─── Tabella totali ──────────────────────────────────────────── */
.totals-table { width: 100%; }
.totals-table td { padding: .5rem .75rem; }
.totals-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.totals-table .total-row td { border-top: 2px solid var(--color-text); font-size: 1.05rem; }

/* ─── Tabella info scheda documento ──────────────────────────── */
.info-table { width: 100%; font-size: .9rem; }
.info-table th { width: 35%; padding: .4rem .5rem .4rem 0; color: var(--color-muted); font-weight: 600; text-align: left; vertical-align: top; }
.info-table td { padding: .4rem 0; }

/* ─── Dropdown ────────────────────────────────────────────────── */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    z-index: 200;
    overflow: hidden;
}
.dropdown-menu.open { display: block; }
.dropdown-item {
    display: block;
    width: 100%;
    padding: .6rem 1rem;
    text-align: left;
    background: none;
    border: none;
    font-size: .875rem;
    cursor: pointer;
    color: var(--color-text);
}
.dropdown-item:hover { background: var(--color-bg); }

/* ─── Righe tabella con warning ──────────────────────────────── */
tr.row-warning td { background: #fffbeb; }

/* ─── Grafico a barre (CSS, no librerie) ─────────────────────── */
.chart {
    display: flex;
    align-items: flex-end;
    gap: .5rem;
    height: 190px;
    padding-top: .5rem;
}
.chart-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: .4rem;
    height: 100%;
}
.chart-bar {
    width: 100%;
    max-width: 38px;
    background: linear-gradient(180deg, var(--color-primary), #6366f1);
    border-radius: 6px 6px 0 0;
    transition: opacity .15s, transform .1s;
    cursor: default;
}
.chart-col:hover .chart-bar { opacity: .82; transform: translateY(-2px); }
.chart-label { font-size: .72rem; color: var(--color-muted); font-weight: 600; }

/* ─── Dashboard: KPI con sparkline ────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 1.1rem; }
.kpi-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .3rem; min-height: 104px;
}
.kpi-card.alert { border-top: 3px solid var(--color-danger); }
.kpi-val { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.kpi-lab { font-size: .76rem; color: var(--color-muted); font-weight: 500; }
.kpi-card .spark { margin-top: auto; }

/* ─── Dashboard: griglia card auto-flow ───────────────────────── */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 1.1rem; margin-top: 1.25rem; align-items: start; }

/* Barre raggruppate (Fatturato vs Incassato) */
.gbars { display: flex; align-items: flex-end; gap: .45rem; height: 190px; padding-top: .5rem; }
.gcol { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: .4rem; height: 100%; }
.gpair { display: flex; align-items: flex-end; gap: 3px; height: 100%; justify-content: center; }
.gbar { width: 9px; border-radius: 4px 4px 0 0; }
.gbar.f { background: linear-gradient(180deg, var(--color-primary), #6366f1); }
.gbar.i { background: #93c5fd; }
.gcl { font-size: .68rem; color: var(--color-muted); font-weight: 600; }
.chart-legend { display: flex; gap: 1rem; font-size: .78rem; align-items: center; font-weight: 500; }
.chart-legend .row { display: flex; align-items: center; gap: .4rem; }
.dot { width: 11px; height: 11px; border-radius: 3px; flex: none; display: inline-block; }

/* Donut legend */
.donut-legend { display: flex; flex-direction: column; gap: .5rem; font-size: .85rem; }
.donut-legend .row { display: flex; align-items: center; gap: .5rem; }

/* Aging */
.aging-row { display: flex; align-items: center; gap: .75rem; margin-bottom: .7rem; font-size: .85rem; }
.aging-row .name { width: 80px; flex: none; color: var(--color-muted); }
.aging-row .track { flex: 1; background: #f1f5f9; border-radius: 6px; height: 22px; overflow: hidden; }
.aging-row .fill { height: 100%; border-radius: 6px; transition: width .3s; }
.aging-row .amt { width: 95px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

/* Mini-list (scadenze, attività) */
.mini-list .item { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .6rem 0; border-bottom: 1px solid var(--color-border); }
.mini-list .item:last-child { border-bottom: none; }
.mini-list .t { font-size: .88rem; }
.mini-list .s { font-size: .76rem; color: var(--color-muted); }
.mini-list .item.warn { background: #fffbeb; margin: 0 -1.1rem; padding-left: 1.1rem; padding-right: 1.1rem; }

/* ─── Responsivo ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-wrapper { margin-left: 0; }
    .sidebar-open-btn { display: block; }
    .sidebar-toggle { display: block; }
    .main-content { padding: 1rem; }
}