/* ═══════════════════════════════════════════════════════════════════
   BustaPaga Control — Stile LavoroInChiaro.it
   Font: Plus Jakarta Sans (headings) + Inter (body) + JetBrains Mono (code)
   Palette: navy #0f172a, amber #d97706, cream #faf9f7
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&family=Caveat:wght@500;600&display=swap');

:root {
  --brand-dark: #0f172a;
  --brand-navy: #1e293b;
  --brand-amber: #d97706;
  --brand-amber-light: #f59e0b;
  --brand-amber-bg: #fffbeb;
  --ok: #10b981;
  --danger: #dc2626;
  --warning: #d97706;
  --info: #0891b2;
  --bg-main: #faf9f7;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e5e2dc;
  --border-light: #f0ede8;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --radius: 12px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--bg-main);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── Navbar ────────────────────────────────────────────────────── */
.navbar {
  background: #fff !important;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

/* Brand: replica esatta dello stile "LAVORO IN CHIARO" */
.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--brand-dark);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: .35rem;
  letter-spacing: .01em;
}
.brand-logo:hover { text-decoration: none; color: var(--brand-dark); }
.brand-logo .brand-main { font-weight: 800; color: var(--brand-dark); }
.brand-logo .brand-in { font-weight: 500; color: var(--text-light); font-size: .95em; }
.brand-logo .brand-accent { font-weight: 800; color: var(--brand-amber); }

.navbar .nav-link {
  color: var(--text) !important;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.45rem 0.85rem !important;
  border-radius: 8px;
  transition: all .15s;
}
.navbar .nav-link:hover { background: var(--bg-main); color: var(--brand-dark) !important; }
.navbar .nav-link.active { background: var(--bg-main); color: var(--brand-dark) !important; font-weight: 600; }
.navbar .nav-link.disabled { color: var(--text-light) !important; }

.nav-btn-primary {
  background: var(--brand-dark) !important;
  color: #fff !important;
  font-weight: 600 !important;
  border-radius: 20px !important;
  padding: 0.4rem 1.1rem !important;
  font-size: 0.82rem !important;
  border: none;
  transition: all .15s;
}
.nav-btn-primary:hover { background: var(--brand-navy) !important; color: #fff !important; }

.nav-btn-accent {
  background: var(--brand-amber) !important;
  color: #fff !important;
  font-weight: 700 !important;
  border-radius: 20px !important;
  padding: 0.45rem 1.2rem !important;
  font-size: 0.82rem !important;
  border: none;
  transition: all .15s;
}
.nav-btn-accent:hover { background: #c2710a !important; color: #fff !important; }

/* ── Layout principale ──────────────────────────────────────────── */
.main-content {
  min-height: calc(100vh - 120px);
  padding: 0;
}

.page-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-dark);
  margin: 0;
}

.page-body {
  padding: 1.5rem 2rem;
}

/* ── Cards ──────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius) var(--radius) 0 0 !important;
  padding: 0.85rem 1.2rem;
  font-weight: 700;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.card-header.accent {
  background: linear-gradient(135deg, var(--brand-amber), #c87010);
  color: #fff;
  border: none;
}

.card-header.dark {
  background: var(--brand-dark);
  color: #fff;
  border: none;
}

/* ── Dashboard KPI cards ────────────────────────────────────────── */
.kpi-card {
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  transition: transform .2s, box-shadow .2s;
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand-dark);
  line-height: 1;
}

.kpi-label {
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.kpi-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}

/* ── Tabelle ────────────────────────────────────────────────────── */
.table { font-size: 0.85rem; }

.table thead th {
  background: var(--brand-dark);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: none;
  padding: 0.7rem 1rem;
}

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

.table tbody td {
  padding: 0.65rem 1rem;
  vertical-align: middle;
  border-color: var(--border);
}

/* ── Tabella confronto ──────────────────────────────────────────── */
.table-confronto th:nth-child(2) { background: #1e40af !important; }
.table-confronto th:nth-child(3) { background: #065f46 !important; }
.table-confronto th:nth-child(4) { background: #7f1d1d !important; }

.val-ok { color: var(--ok); font-weight: 600; }
.val-warn { color: var(--warning); font-weight: 600; }
.val-err { color: var(--danger); font-weight: 700; }

.numeric { font-family: var(--font-mono); text-align: right; }

/* ── Badges ────────────────────────────────────────────────────── */
.badge-critico { background: #7c2d12; color: #fff; }
.badge-errore  { background: var(--danger); color: #fff; }
.badge-avviso  { background: var(--warning); color: #fff; }
.badge-info    { background: var(--info); color: #fff; }

.errore-card { border-left: 4px solid var(--danger); background: #fff5f5; border-radius: var(--radius); }
.avviso-card { border-left: 4px solid var(--warning); background: #fffbeb; border-radius: var(--radius); }
.info-card   { border-left: 4px solid var(--info); background: #f0f9ff; border-radius: var(--radius); }
.critico-card { border-left: 4px solid #7c2d12; background: #fff1f0; border-radius: var(--radius); }

/* ── Sezione voci busta ─────────────────────────────────────────── */
.voce-row { transition: background .1s; border-radius: 8px; }
.voce-row:hover { background: var(--bg-main); }
.voce-trattenuta { color: var(--danger); font-weight: 500; }

/* ── Scaglioni IRPEF ────────────────────────────────────────────── */
.scaglione-bar {
  height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 600; color: #fff;
  transition: width .5s ease;
}

/* ── Form ───────────────────────────────────────────────────────── */
.form-label {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.form-control, .form-select {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: border-color .15s, box-shadow .15s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--brand-amber);
  box-shadow: 0 0 0 3px rgba(217,119,6,.12);
}

.form-section-title {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-amber);
  border-bottom: 2px solid var(--brand-amber);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

/* ── Bottoni ────────────────────────────────────────────────────── */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 10px;
  transition: all .15s;
}
.btn-primary { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-primary:hover { background: var(--brand-navy); border-color: var(--brand-navy); }
.btn-accent {
  background: var(--brand-amber); border-color: var(--brand-amber);
  color: #fff; font-weight: 700;
}
.btn-accent:hover { background: #c2710a; border-color: #c2710a; color: #fff; }
.btn-outline-primary {
  color: var(--brand-dark); border-color: var(--border);
}
.btn-outline-primary:hover {
  background: var(--bg-main); border-color: var(--text-light); color: var(--brand-dark);
}

/* ── Alerts ─────────────────────────────────────────────────────── */
.alert { border-radius: var(--radius); font-size: 0.85rem; }

/* ── Footer ────────────────────────────────────────────────────── */
.footer {
  background: var(--brand-dark) !important;
  border-top: none;
  font-family: var(--font-sans);
}

/* ── Scrollbar ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Print ─────────────────────────────────────────────────────── */
@media print {
  .navbar, .footer, .btn, .page-header .btn-group, .no-print { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ccc; }
  body { background: white; }
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .page-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .kpi-value { font-size: 1.5rem; }
  .page-body { padding: 1rem; }
}