:root {
    --blu: #1e3a5f;
    --blu-chiaro: #eef3f8;
    --verde: #1e8a5f;
    --rosso: #c0392b;
    --grigio: #6b7280;
    --bordo: #dfe3e8;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f6f8fa;
    color: #1f2937;
}
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar {
    background: var(--blu);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    flex-wrap: wrap;
}
.topbar .logo { font-weight: 700; font-size: 1.1em; }
.topbar nav a { color: #fff; text-decoration: none; margin-left: 18px; opacity: .9; }
.topbar nav a:hover { opacity: 1; text-decoration: underline; }

h1 { font-size: 1.5em; margin: 0 0 16px; }
h2 { font-size: 1.15em; margin: 28px 0 12px; }

.section-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }

.btn, button.btn {
    background: var(--blu);
    color: #fff;
    border: none;
    padding: 9px 16px;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: .95em;
    display: inline-block;
}
.btn:hover { opacity: .9; }
.btn-secondary {
    background: #fff;
    color: var(--blu);
    border: 1px solid var(--bordo);
    padding: 9px 16px;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: .95em;
    display: inline-block;
}

.cards { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.card {
    background: #fff;
    border: 1px solid var(--bordo);
    border-radius: 10px;
    padding: 16px 20px;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.card-label { color: var(--grigio); font-size: .85em; }
.card-value { font-size: 1.6em; font-weight: 700; }
.card-value.ok { color: var(--verde); }
.card-value.warn { color: var(--rosso); }

.tabella { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--bordo); border-radius: 8px; overflow: hidden; }
.tabella th, .tabella td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--bordo); font-size: .93em; }
.tabella th { background: var(--blu-chiaro); color: var(--blu); }
.tabella tr:last-child td { border-bottom: none; }

.stato { padding: 3px 9px; border-radius: 20px; font-size: .8em; font-weight: 600; }
.stato-bozza { background: #eee; color: #555; }
.stato-emessa { background: #fff4d6; color: #a5730a; }
.stato-pagata { background: #dcf5e6; color: var(--verde); }
.stato-scaduta { background: #fbdada; color: var(--rosso); }
.stato-annullata { background: #eee; color: #999; text-decoration: line-through; }

.filtri { margin-bottom: 14px; }
.filtri a { margin-right: 14px; text-decoration: none; color: var(--grigio); padding-bottom: 4px; }
.filtri a.active { color: var(--blu); font-weight: 700; border-bottom: 2px solid var(--blu); }

.ricerca { margin-bottom: 14px; display: flex; gap: 8px; }
.ricerca input { padding: 8px 10px; border: 1px solid var(--bordo); border-radius: 6px; flex: 1; max-width: 320px; }

.form-box { background: #fff; border: 1px solid var(--bordo); border-radius: 10px; padding: 20px; max-width: 700px; }
.form-box label { display: block; margin: 12px 0 4px; font-size: .88em; color: var(--grigio); }
.form-box input, .form-box select, .form-box textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--bordo); border-radius: 6px; font-size: .95em; font-family: inherit;
}
.form-box.form-inline { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; max-width: none; }
.form-box.form-inline label { margin: 0 0 4px; }
.form-box.form-inline > div, .form-box.form-inline input { width: auto; }
.riga3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.link-piccolo { font-size: .85em; display: inline-block; margin-top: 6px; }
.mini-form { margin-top: 10px; padding: 12px; background: var(--blu-chiaro); border-radius: 8px; }
.mini-form label { margin: 8px 0 3px; }
.mini-form button { margin-top: 10px; margin-right: 10px; }
.righe-table input, .righe-table select { width: 100%; }
.totale-anteprima { text-align: right; font-size: 1.1em; margin: 10px 0; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--blu); }
.login-box { background: #fff; padding: 32px; border-radius: 12px; width: 300px; }
.login-box h1 { text-align: center; margin-bottom: 20px; }
.login-box label { display: block; margin: 10px 0 4px; font-size: .88em; color: var(--grigio); }
.login-box input { width: 100%; padding: 9px 10px; border: 1px solid var(--bordo); border-radius: 6px; }
.login-box button { width: 100%; margin-top: 18px; padding: 10px; background: var(--blu); color: #fff; border: none; border-radius: 6px; cursor: pointer; }
.errore { color: var(--rosso); font-size: .9em; }
.msg-ok { color: var(--verde); font-weight: 600; }
.hint { color: var(--grigio); font-size: .85em; margin: -6px 0 10px; }
.logo-preview { margin: 8px 0; }
.logo-preview img { max-height: 70px; max-width: 220px; border: 1px solid var(--bordo); border-radius: 6px; padding: 6px; background: #fff; }

/* Foglio fattura */
.foglio-fattura { background: #fff; border: 1px solid var(--bordo); border-radius: 10px; padding: 32px; margin-bottom: 24px; }
.fattura-head { display: flex; justify-content: space-between; margin-bottom: 20px; }
.fattura-logo { max-height: 60px; max-width: 200px; display: block; margin-bottom: 10px; }
.fattura-numero { text-align: right; }
.fattura-cliente { margin-bottom: 20px; padding: 12px; background: var(--blu-chiaro); border-radius: 8px; }
.fattura-totali { text-align: right; margin-top: 14px; }
.fattura-totali p { margin: 4px 0; }
.totale-finale { font-size: 1.3em; font-weight: 700; color: var(--blu); }
.fattura-note { margin-top: 16px; font-size: .9em; color: var(--grigio); }

/* Grafico statistiche */
.grafico-barre { display: flex; align-items: flex-end; gap: 8px; height: 180px; background: #fff; border: 1px solid var(--bordo); border-radius: 10px; padding: 16px; }
.barra-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.barra { width: 60%; background: var(--blu); border-radius: 3px 3px 0 0; min-height: 2px; }
.barra-attiva { background: var(--verde); }
.barra-label { font-size: .75em; color: var(--grigio); margin-top: 6px; }

.filtri-stat { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 18px; background: #fff; border: 1px solid var(--bordo); padding: 14px 16px; border-radius: 10px; }
.filtri-stat label { display: block; font-size: .82em; color: var(--grigio); margin-bottom: 4px; }
.filtri-stat select { padding: 7px 9px; border: 1px solid var(--bordo); border-radius: 6px; min-width: 160px; }

@media print {
    .topbar, .no-print, .section-head, footer { display: none !important; }
    body { background: #fff; }
    .foglio-fattura { border: none; padding: 0; }
    .container { padding: 0; max-width: none; }
}