*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --bg: #f1f5f9;
  --sidebar-bg: #1e293b;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #2563eb;
  --white: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-light: #64748b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

/* LOGIN */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: url('/login-bg.png') center/cover no-repeat; }
.login-box { background: var(--white); border-radius: var(--radius); box-shadow: 0 4px 24px rgba(0,0,0,0.1); padding: 48px 40px; width: 100%; max-width: 380px; }
.login-logo { display: block; max-width: 180px; margin: 0 auto 32px; }
.errore-msg { color: var(--danger); background: #fee2e2; border-radius: 6px; padding: 10px 14px; margin-bottom: 12px; font-size: 13px; }

/* LAYOUT */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--sidebar-bg); color: var(--sidebar-text); display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar-header { padding: 16px 20px 14px; border-bottom: 1px solid rgba(255,255,255,0.08); text-align: center; }
.sidebar-logo { display: block; width: 100%; max-width: 150px; margin: 0 auto; }
.sidebar-header span { font-size: 12px; color: var(--sidebar-text); }
.sidebar nav { flex: 1; padding: 16px 0; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 11px 20px; color: var(--sidebar-text); text-decoration: none; font-size: 14px; transition: all 0.15s; }
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(255,255,255,0.08); color: var(--white); }
.sidebar nav a.active { border-left: 3px solid var(--sidebar-active); }
.sidebar nav a svg { width: 18px; height: 18px; flex-shrink: 0; }

/* SOTTOMENU SIDEBAR */
.nav-group-toggle { display: flex; align-items: center; gap: 10px; padding: 11px 20px; color: var(--sidebar-text); font-size: 14px; cursor: pointer; transition: all 0.15s; user-select: none; }
.nav-group-toggle:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.nav-group-toggle svg:first-child { width: 18px; height: 18px; flex-shrink: 0; }
.nav-chevron { width: 14px; height: 14px; margin-left: auto; flex-shrink: 0; transition: transform 0.2s; }
.nav-group.open .nav-chevron { transform: rotate(90deg); }
.nav-submenu { display: none; }
.nav-group.open .nav-submenu { display: block; }
.nav-submenu a { padding-left: 40px; font-size: 13px; }
@media (max-width: 768px) { .nav-group-toggle span, .nav-submenu a span { display: none; } .nav-submenu a { padding-left: 20px; } }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.08); }
.sidebar-footer .user-info { font-size: 13px; margin-bottom: 10px; color: var(--white); }
.sidebar-footer .user-info small { display: block; color: var(--sidebar-text); font-size: 11px; }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { background: var(--white); border-bottom: 1px solid var(--border); padding: 16px 28px; display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { font-size: 20px; font-weight: 600; }
.content { flex: 1; padding: 28px; overflow-y: auto; }

/* FORM */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--text-light); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; color: var(--text); background: var(--white); transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; gap: 16px; }
.form-row.col-2 { grid-template-columns: 1fr 1fr; }
.form-row.col-3 { grid-template-columns: 1fr 1fr 1fr; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; border: none; transition: all 0.15s; text-decoration: none; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: var(--white); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-success { background: var(--success); color: var(--white); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-icon { padding: 5px 7px; line-height: 0; }

/* CARDS */
.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-header h2 { font-size: 16px; font-weight: 600; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { font-weight: 600; color: var(--text-light); background: var(--bg); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
tr:hover td { background: #f8fafc; }
.actions { display: flex; gap: 6px; }

/* BADGE */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-danger { background: #fee2e2; color: var(--danger); }
.badge-info { background: #dbeafe; color: var(--primary); }
.badge-gray { background: #f1f5f9; color: var(--text-light); }

/* MODAL */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--white); border-radius: var(--radius); box-shadow: 0 8px 32px rgba(0,0,0,0.2); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; }
.modal-lg { max-width: 800px; }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-light); line-height: 1; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* SEARCH */
.search-bar { display: flex; gap: 10px; margin-bottom: 20px; }
.search-bar input { flex: 1; }

/* STATS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.stat-card .label { font-size: 12px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .sub { font-size: 12px; color: var(--text-light); margin-top: 4px; }

/* RIGHE FATTURA */
.righe-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.righe-table th, .righe-table td { padding: 8px; border: 1px solid var(--border); font-size: 13px; }
.righe-table input, .righe-table select { border: none; width: 100%; padding: 4px; font-size: 13px; }
.righe-table input:focus, .righe-table select:focus { outline: 1px solid var(--primary); }
.righe-table input[type="number"]::-webkit-inner-spin-button,
.righe-table input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.righe-table input[type="number"] { -moz-appearance: textfield; }
.totale-row { font-weight: 600; text-align: right; margin-top: 8px; font-size: 15px; }

/* CALENDARIO */
.cal-nav { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.cal-nav h3 { flex: 1; text-align: center; font-size: 16px; min-width: 140px; }
.cal-vista-toggle { display: flex; gap: 4px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-day-name { text-align: center; font-size: 12px; font-weight: 600; color: var(--text-light); padding: 6px 0; }
.cal-day { min-height: 80px; border: 1px solid var(--border); border-radius: 6px; padding: 6px; cursor: pointer; background: var(--white); }
.cal-day:hover { background: #f8fafc; }
.cal-day.today { border-color: var(--primary); }
.cal-day.other-month { background: var(--bg); }
.cal-day .day-num { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.cal-day.today .day-num { color: var(--primary); font-weight: 700; }
.cal-event { font-size: 11px; background: var(--primary); color: white; border-radius: 3px; padding: 2px 5px; margin-bottom: 2px; overflow: hidden; white-space: nowrap; display: flex; align-items: center; gap: 3px; }
.cal-event.stato-annullato { background: var(--danger); }
.cal-check { display: inline-block; flex-shrink: 0; width: 10px; height: 10px; border: 1.5px solid rgba(255,255,255,0.75); border-radius: 2px; cursor: pointer; box-sizing: border-box; transition: background .15s, border-color .15s; }
.cal-check.checked { background: rgba(255,255,255,0.9); border-color: rgba(255,255,255,0.9); }
/* Vista settimana */
.cal-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.cal-week-day { border: 1px solid var(--border); border-radius: 8px; min-height: 120px; padding: 6px; background: var(--white); cursor: pointer; }
.cal-week-day.today { border-color: var(--primary); }
.cal-week-day .day-label { font-weight: 700; font-size: 12px; margin-bottom: 6px; }
.cal-week-event { font-size: 12px; color: white; border-radius: 4px; padding: 5px 8px; margin-bottom: 4px; overflow: hidden; white-space: nowrap; cursor: pointer; display: flex; align-items: center; gap: 4px; min-height: 28px; }
/* Vista giorno */
.cal-giorno { display: flex; flex-direction: column; gap: 10px; padding-top: 14px; }
.cal-giorno-event { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.cal-giorno-ora { font-size: 12px; color: var(--text-light); font-weight: 600; margin-bottom: 3px; }
.cal-giorno-titolo { font-size: 16px; font-weight: 700; margin-bottom: 3px; }
.cal-giorno-extra { font-size: 13px; color: var(--text-light); margin-bottom: 4px; }

/* UTILS */
.text-right { text-align: right; }
.text-muted { color: var(--text-light); }
.mt-16 { margin-top: 16px; }
.empty-state { text-align: center; padding: 48px; color: var(--text-light); }

/* HAMBURGER */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; color: var(--text); }
.hamburger svg { width: 24px; height: 24px; }

/* SIDEBAR OVERLAY (mobile) */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 199; }
.sidebar-overlay.open { display: block; }

@media (max-width: 768px) {
  /* Sidebar diventa drawer da sinistra */
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100%; z-index: 200;
    transform: translateX(-100%); transition: transform 0.25s ease;
    width: 240px;
  }
  .sidebar.open { transform: translateX(0); }

  /* Main occupa tutto lo schermo */
  .main { width: 100%; }

  /* Topbar con hamburger */
  .topbar { padding: 12px 16px; }
  .topbar h1 { font-size: 17px; }
  .hamburger { display: flex; }

  /* Content padding ridotto */
  .content { padding: 16px; }

  /* Card senza padding esagerato */
  .card { padding: 16px; }
  .card-header { flex-wrap: wrap; gap: 10px; }
  .card-header h2 { font-size: 15px; }

  /* Form: tutte colonne singole */
  .form-row.col-2, .form-row.col-3 { grid-template-columns: 1fr; }

  /* Modal a schermo intero su mobile */
  .modal-overlay { align-items: flex-end; }
  .modal, .modal-lg {
    max-width: 100%; max-height: 92vh; border-radius: var(--radius) var(--radius) 0 0;
  }

  /* Input più grandi al tocco */
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; padding: 11px 12px; }
  .btn { padding: 10px 16px; }
  .btn-sm { padding: 8px 12px; font-size: 13px; }

  /* Tabelle scrollabili */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  th, td { padding: 9px 10px; font-size: 12px; white-space: nowrap; }

  /* Stats grid */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Calendario mensile: celle compatte, eventi come pallini */
  .cal-day { min-height: 44px; padding: 4px 3px; }
  .cal-day .day-num { font-size: 12px; margin-bottom: 2px; }
  .cal-event { display: inline-block; width: 8px; height: 8px; border-radius: 50%; padding: 0; margin: 1px; font-size: 0; vertical-align: middle; }
  .cal-check { display: none; }
  /* Vista settimana su mobile: scroll orizzontale */
  .cal-week { grid-template-columns: repeat(7, minmax(110px, 1fr)); overflow-x: auto; -webkit-overflow-scrolling: touch; }
  /* Nav agenda compatta */
  .cal-nav { gap: 6px; }
  .cal-nav h3 { font-size: 14px; min-width: 100px; }
  /* Filtro utenti compatto */
  .cal-filtro-bar .btn { padding: 6px 10px; font-size: 12px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  /* Calendario mensile: solo numero e pallini */
  .cal-day { min-height: 38px; }
  .cal-day-name { font-size: 10px; }
  /* Modal full-screen */
  .modal, .modal-lg { max-height: 98vh; border-radius: 12px 12px 0 0; }
  .modal-footer { gap: 6px; }
  .modal-footer .btn { flex: 1; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  /* Tablet: celle leggermente più compatte */
  .cal-day { min-height: 65px; }
  .cal-event { font-size: 10px; }
  .cal-week { grid-template-columns: repeat(7, 1fr); }
  .cal-week-day { min-height: 90px; }
}

/* Autocomplete prodotti DDT */
.prod-drop-item:hover { background: var(--bg-alt); }

/* ── Scheda cliente ───────────────────────────────────────────────────────── */
.sched-tab { padding:10px 16px;font-size:13px;font-weight:500;border:none;background:transparent;cursor:pointer;color:var(--text-light);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s; }
.sched-tab:hover { color:var(--text); }
.sched-tab-act { color:var(--primary) !important;border-bottom-color:var(--primary) !important; }
.sched-section { background:var(--white,#fff);border:1px solid var(--border);border-radius:8px;padding:18px 20px;margin-bottom:16px; }
.sched-section-title { font-size:11px;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.7px;margin-bottom:12px; }
.sched-card { background:var(--white,#fff);border:1px solid var(--border);border-radius:8px;padding:14px 16px; }
.sched-card-hdr { display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:13px;font-weight:600; }
.si-item { display:flex;flex-direction:column;gap:2px; }
.si-label { font-size:10px;color:var(--text-light);text-transform:uppercase;letter-spacing:.6px; }
@media (max-width:900px) {
  .sched-grid { grid-template-columns:1fr !important; }
}