:root {
  --blu: #1a5276;
  --blu-light: #2980b9;
  --grigio: #f4f6f7;
  --bordo: #dce1e7;
  --testo: #2c3e50;
  --verde: #27ae60;
  --rosso: #e74c3c;
  --arancio: #e67e22;
  --bianco: #fff;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  color: var(--testo);
  background: var(--grigio);
  min-height: 100vh;
}

/* ── LAYOUT ─────────────────────────────────────────────── */
#app { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--blu);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.sidebar-logo h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .3px;
}
.sidebar-logo span {
  font-size: 11px;
  opacity: .7;
  display: block;
  margin-top: 2px;
}

nav { flex: 1; padding: 12px 0; }

nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all .15s;
}
nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
nav a.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-left-color: #fff;
  font-weight: 600;
}
nav a .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.45);
  padding: 14px 16px 4px;
  font-weight: 700;
}

.sidebar-tipologia {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: 13px;
  border-left: 3px solid transparent;
  transition: all .15s;
  cursor: pointer;
}
.sidebar-tipologia:hover { background: rgba(255,255,255,.1); color: #fff; }
.sidebar-tipologia.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-left-color: #fff;
  font-weight: 600;
}

.sidebar-footer {
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,.15);
}
.sidebar-link-small {
  display: block;
  padding: 9px 16px;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: 13px;
  transition: all .15s;
}
.sidebar-link-small:hover { color: #fff; background: rgba(255,255,255,.08); }
.sidebar-link-small.active { color: #fff; font-weight: 600; }

.btn-add-tipo {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,.55);
  font-size: 12px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: color .15s;
}
.btn-add-tipo:hover { color: rgba(255,255,255,.9); }

.main {
  margin-left: 240px;
  flex: 1;
  padding: 28px 32px;
  max-width: 1200px;
}

/* ── CARD ────────────────────────────────────────────────── */
.card {
  background: var(--bianco);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--blu);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── PAGE HEADER ─────────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--blu);
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity .15s, transform .1s;
}
.btn:hover { opacity: .88; }
.btn:active { transform: scale(.97); }

.btn-primary { background: var(--blu); color: #fff; }
.btn-secondary { background: var(--grigio); color: var(--testo); border: 1px solid var(--bordo); }
.btn-success { background: var(--verde); color: #fff; }
.btn-danger { background: var(--rosso); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ── TABLE ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}
th {
  background: var(--grigio);
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #666;
  border-bottom: 2px solid var(--bordo);
}
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--bordo);
  vertical-align: middle;
}
tr:hover td { background: #fafbfc; }
tr:last-child td { border-bottom: none; }

/* ── FORM ────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 12px; font-weight: 600; color: #555; }

input, select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--bordo);
  border-radius: 6px;
  font-size: 14px;
  color: var(--testo);
  background: #fff;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blu-light);
  box-shadow: 0 0 0 3px rgba(41,128,185,.12);
}

.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.search-bar input { flex: 1; }

/* ── BADGE ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-verde { background: #d5f5e3; color: #1e8449; }
.badge-rosso { background: #fadbd8; color: #922b21; }
.badge-grigio { background: #eaecee; color: #555; }
.badge-arancio { background: #fdebd0; color: #784212; }
.badge-blu { background: #d6eaf8; color: #1a5276; }

/* ── MODAL ───────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  width: 560px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--bordo);
}
.modal-header h3 { font-size: 16px; font-weight: 700; color: var(--blu); }
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #888;
  padding: 4px 8px;
}
.modal-body { padding: 24px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--bordo);
}

/* ── ALERT ───────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  display: none;
}
.alert.show { display: block; }
.alert-error { background: #fadbd8; color: #922b21; border: 1px solid #f1948a; }
.alert-success { background: #d5f5e3; color: #1e8449; border: 1px solid #82e0aa; }

/* ── FASE 2: presenze ────────────────────────────────────── */
.presenza-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--bordo);
}
.presenza-nome { flex: 1; font-weight: 600; }
.presenza-toggle { display: flex; gap: 6px; }

.toggle-btn {
  padding: 5px 12px;
  border: 1.5px solid var(--bordo);
  border-radius: 20px;
  background: #fff;
  font-size: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: all .15s;
}
.toggle-btn.active-si {
  background: var(--verde);
  border-color: var(--verde);
  color: #fff;
}
.toggle-btn.active-no {
  background: var(--rosso);
  border-color: var(--rosso);
  color: #fff;
}
.toggle-btn.active-idoneo {
  background: var(--verde);
  border-color: var(--verde);
  color: #fff;
}
.toggle-btn.active-nidoneo {
  background: var(--arancio);
  border-color: var(--arancio);
  color: #fff;
}

/* ── STATO vuoto ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: #aaa;
}
.empty-state .icon { font-size: 40px; display: block; margin-bottom: 12px; }

/* ── SPINNER ─────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(0,0,0,.1);
  border-top-color: var(--blu);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── UPLOAD ZONE ─────────────────────────────────────────── */
.upload-zone {
  border: 2.5px dashed var(--bordo);
  border-radius: var(--radius);
  padding: 36px 20px;
  text-align: center;
  background: #fafbfc;
  transition: all .2s;
  cursor: pointer;
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--blu-light);
  background: #eaf4fb;
}
.upload-zone input[type=file] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-zone .upload-icon { font-size: 36px; display: block; margin-bottom: 10px; }
.upload-zone .upload-label { font-size: 15px; font-weight: 600; color: var(--blu); }
.upload-zone .upload-sub { font-size: 12px; color: #aaa; margin-top: 4px; }

/* ── FASE BANNER ─────────────────────────────────────────── */
.fase-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.fase-pre { background: #d6eaf8; color: #1a5276; }
.fase-post { background: #d5f5e3; color: #1e8449; }

/* ── ACTION BUTTONS ROW ──────────────────────────────────── */
.actions-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.action-card {
  background: var(--bianco);
  border: 1.5px solid var(--bordo);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  color: var(--testo);
  min-width: 200px;
}
.action-card:hover {
  border-color: var(--blu-light);
  box-shadow: 0 2px 12px rgba(41,128,185,.15);
  transform: translateY(-1px);
}
.action-card .ac-icon { font-size: 28px; }
.action-card .ac-text strong { display: block; font-size: 14px; }
.action-card .ac-text span { font-size: 11px; color: #888; }
.action-card.primary { border-color: var(--blu); background: #eaf4fb; }
.action-card.success { border-color: var(--verde); background: #eafaf1; }

/* ── STATS ROW ───────────────────────────────────────────── */
.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.stat-box {
  background: var(--bianco);
  border: 1px solid var(--bordo);
  border-radius: var(--radius);
  padding: 14px 20px;
  text-align: center;
  min-width: 100px;
}
.stat-box .stat-num { font-size: 28px; font-weight: 700; color: var(--blu); line-height: 1; }
.stat-box .stat-lbl { font-size: 11px; color: #888; margin-top: 4px; }

/* ── STORIA EDIZIONI ─────────────────────────────────────── */
.storia-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--bordo);
}
.storia-item:last-child { border-bottom: none; }
.storia-data { font-weight: 700; min-width: 80px; font-size: 13px; }
.storia-luogo { flex: 1; color: #555; font-size: 13px; }

/* ── Tabella partecipanti centrata ───────────────────────────────────────── */
.table-centered th,
.table-centered td {
  text-align: center;
  vertical-align: middle;
}

/* ── Codice Fiscale editabile ─────────────────────────────────────────────── */
.cf-valid   { color: #27ae60; font-weight: 600; cursor: pointer; white-space: nowrap; }
.cf-invalid { color: #e74c3c; font-weight: 600; cursor: pointer; white-space: nowrap; }
.cf-valid::after   { content: " ✓"; font-size: 11px; }
.cf-invalid::after { content: " ⚠"; font-size: 11px; }
.cf-valid:hover, .cf-invalid:hover { text-decoration: underline; }

/* ── Sidebar gerarchia Categoria > Sottocategoria ────────────────────────── */
.sidebar-categoria {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,.9);
  padding: 16px 16px 4px;
  font-weight: 800;
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 4px;
}
.sidebar-categoria:first-child { border-top: none; margin-top: 0; }

.sidebar-sottocategoria {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: rgba(255,255,255,.5);
  padding: 6px 16px 2px 22px;
  font-weight: 600;
}

.sidebar-tipologia.nested {
  padding-left: 28px;
}

/* ── Info corso ───────────────────────────────────────────────────────────── */
.info-block { }
.info-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: #999;
  font-weight: 700;
  margin-bottom: 4px;
}
.info-value {
  font-size: 13px;
  color: var(--testo);
  line-height: 1.5;
}
.info-list {
  margin-left: 16px;
  font-size: 13px;
  color: var(--testo);
  line-height: 1.8;
}

/* ── Schede documento ────────────────────────────────────────────────────── */
.doc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--bordo);
  border-radius: var(--radius);
  background: var(--bianco);
  flex: 1 1 200px;
  min-width: 200px;
  max-width: 320px;
  transition: box-shadow .15s;
}
.doc-card:hover { box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.doc-card-note  { background: #fdfaf4; border-color: #f0d27a; }
.doc-card-upload { background: #f4f6f7; border-style: dashed; }

.doc-card-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.doc-icon  { font-size: 22px; flex-shrink: 0; margin-top: 1px; }
.doc-info  { flex: 1; }
.doc-name  { font-size: 13px; font-weight: 700; color: var(--testo); }
.doc-sub   { font-size: 11px; color: #999; margin-top: 2px; }
.doc-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ── Login screen ────────────────────────────────────────────────────────── */
#login-screen {
  position: fixed; inset: 0;
  background: var(--grigio);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-box {
  background: var(--bianco);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(0,0,0,.12);
  padding: 40px 36px;
  width: 360px;
  max-width: 94vw;
}
.login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--blu);
}
.login-logo span {
  font-size: 12px;
  color: #999;
}

/* ── User badge in sidebar ───────────────────────────────────────────────── */
.user-badge {
  padding: 10px 16px 8px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 4px;
}
.user-badge-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}
.user-badge-ruolo {
  display: block;
  font-size: 11px;
  color: rgba(255,255,255,.5);
  margin-bottom: 8px;
  text-transform: capitalize;
}
.btn-logout {
  background: none;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 4px;
  color: rgba(255,255,255,.7);
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  width: 100%;
  transition: all .15s;
}
.btn-logout:hover { background: rgba(255,255,255,.1); color: #fff; }