/* ══════════════════════════════════════════════════════════════════
   Tesserine CAA – Foglio di stile
   ⚙️  I commenti "PERSONALIZZA" indicano i punti da modificare facilmente
   ══════════════════════════════════════════════════════════════════ */

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f0f4f8;
  color: #1e293b;
  min-height: 100vh;
}

/* ── HEADER ───────────────────────────────────────────────────── */
.site-header {
  /* ⚙️ PERSONALIZZA: colori header */
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: white;
  padding: 1.4rem 2rem;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.logo {
  font-size: 2rem;
  background: rgba(255,255,255,0.18);
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px rgba(255,255,255,0.5));
}
.by-line {
  font-size: 0.78rem;
  opacity: 0.7;
  font-weight: 400;
  display: block;
  margin-top: 0.1rem;
  letter-spacing: 0.05em;
}
h1 { font-size: 1.7rem; font-weight: 700; }
.site-header p { opacity: 0.85; font-size: 0.9rem; margin-top: 0.2rem; }

/* ── LAYOUT ───────────────────────────────────────────────────── */
main {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
}

h2 { font-size: 1.15rem; margin-bottom: 1rem; color: #4f46e5; }

/* ── FORM ─────────────────────────────────────────────────────── */
label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #475569;
}

textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 1rem;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.04em;
  resize: vertical;
  margin-bottom: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

textarea:focus {
  outline: none;
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}

.row.options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.opt {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

select {
  padding: 0.5rem 0.7rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  background: white;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  cursor: pointer;
  color: #475569;
  font-weight: 400;
}

.check-label input { width: 16px; height: 16px; cursor: pointer; }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.3rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }

/* ⚙️ PERSONALIZZA: colore pulsante primario */
.btn.primary   { background: #7c3aed; color: white; }
.btn.primary:hover  { background: #6d28d9; }
.btn.secondary { background: #e2e8f0; color: #334155; }
.btn.secondary:hover { background: #cbd5e1; }
.btn.danger    { background: #fee2e2; color: #dc2626; border: 1.5px solid #dc2626; }
.btn.danger:hover { background: #dc2626; color: white; }
.btn.small     { font-size: 0.82rem; padding: 0.45rem 0.9rem; }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; }

/* ── STATUS BAR ───────────────────────────────────────────────── */
.status {
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  background: #eff6ff;
  border-left: 4px solid #4f46e5;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.status.error   { background: #fef2f2; border-color: #ef4444; }
.status.success { background: #f0fdf4; border-color: #22c55e; }
.hidden { display: none !important; }

/* ── PREVIEW TOOLBAR ──────────────────────────────────────────── */
.preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 0.6rem;
}

.toolbar-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hint { font-size: 0.82rem; color: #64748b; margin-bottom: 1rem; }

/* ── PAGINA A4 (anteprima browser) ───────────────────────────── */
.a4-page {
  width: 100%;
  max-width: 700px;
  margin: 0 auto 2rem;
  padding: 10mm;
  background: white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.14);
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  position: relative;
}

.page-label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-align: right;
  margin-bottom: 6px;
}

/* ── GRIGLIA TESSERE ──────────────────────────────────────────── */
.tile-grid {
  display: grid;
  /* grid-template-columns impostato da JS: repeat(N, 1fr) */
  gap: 4px;
  width: 100%;
}

/* ── SINGOLA TESSERA ──────────────────────────────────────────── */
.tile {
  /* ⚙️ PERSONALIZZA: sfondo e bordo tessera */
  background: #ffffff;
  border: 1.5px dashed #9ca3af;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.12s;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  position: relative;
}

.tile:hover {
  border-color: #7c3aed;
  border-style: solid;
  transform: scale(1.03);
  z-index: 1;
}

.tile:hover .swap-hint { opacity: 1; }

/* Cella vuota (fine frase): bordo tratteggiato leggero, non interattiva */
.tile--empty {
  background: transparent;
  border: 1.5px dashed #e2e8f0;
  cursor: default;
  pointer-events: none;
}
.tile--empty:hover {
  border-color: #e2e8f0;
  border-style: dashed;
  transform: none;
}

/* Badge "≈" verde su tessere dove la forma base è stata usata */
.lemma-badge {
  position: absolute;
  bottom: 3px;
  left: 3px;
  font-size: 9px;
  background: rgba(34,197,94,0.88);
  color: white;
  border-radius: 3px;
  padding: 1px 3px;
  pointer-events: none;
  font-weight: 700;
}

/* Icona "scambia" che appare all'hover */
.swap-hint {
  position: absolute;
  top: 3px;
  right: 3px;
  font-size: 9px;
  background: rgba(124,58,237,0.85);
  color: white;
  border-radius: 3px;
  padding: 1px 4px;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

/* Zona immagine (occupa ~75% dell'altezza) */
.tile-img-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  overflow: hidden;
  min-height: 0;
}

.tile-img-wrap img {
  max-width: 92%;
  max-height: 100%;
  object-fit: contain;
}

.tile-img-wrap .no-image {
  font-size: 1.8rem;
  color: #e2e8f0;
}

/* Zona testo (fascia inferiore) */
.tile-word {
  /* ⚙️ PERSONALIZZA: font, dimensione, colore del testo tessera */
  font-family: Arial, 'Helvetica Neue', sans-serif;
  font-size: 10px;       /* ⚙️ aumenta per tessere più grandi */
  font-weight: 800;
  text-transform: uppercase;
  text-align: center;
  color: #000000;        /* ⚙️ PERSONALIZZA: colore del testo */
  line-height: 1.1;
  padding: 2px 3px 3px;
  width: 100%;
  border-top: 1px solid #e5e7eb;
  /* ⚙️ PERSONALIZZA: sfondo zona testo (es. #fef9c3 per giallo) */
  background: #ffffff;
}

/* ── MODAL SELEZIONE ALTERNATIVA ──────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: white;
  border-radius: 14px;
  padding: 1.5rem;
  width: min(92vw, 580px);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal h3 {
  margin-bottom: 1rem;
  color: #4f46e5;
  font-size: 1rem;
}

.modal h3 span {
  font-weight: 900;
  text-transform: uppercase;
  color: #7c3aed;
}

.alternatives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.alt-tile {
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  padding: 0.4rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.alt-tile:hover { border-color: #7c3aed; background: #faf5ff; }
.alt-tile.selected { border-color: #7c3aed; background: #ede9fe; }

.alt-tile img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.alt-tile span {
  display: block;
  font-size: 9px;
  color: #64748b;
  margin-top: 0.25rem;
}

/* ── FOOTER ───────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.78rem;
  color: #94a3b8;
}

footer a { color: #7c3aed; text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── PULSANTE INFO NELL'HEADER ────────────────────────────────── */
.btn-info {
  margin-left: auto;
  background: rgba(255,255,255,0.18);
  color: white;
  border: 2px solid rgba(255,255,255,0.45);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}
.btn-info:hover { background: rgba(255,255,255,0.32); }

/* ── PANNELLO INFO ─────────────────────────────────────────────── */
.info-modal {
  max-width: 560px;
  width: min(94vw, 560px);
}

.info-modal h3 {
  font-size: 1.1rem;
  margin-bottom: 1.1rem;
  color: #4f46e5;
}

.info-section {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #f1f5f9;
}

.info-section:last-of-type { border-bottom: none; }

.info-section h4 {
  font-size: 0.95rem;
  color: #334155;
  margin-bottom: 0.35rem;
}

.info-section p, .info-section li {
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.5;
}

.info-section ul {
  margin: 0.3rem 0 0.3rem 1.2rem;
}

.info-section li { margin-bottom: 0.2rem; }

.info-license {
  background: #f8fafc;
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.82rem !important;
}

.info-license a { color: #7c3aed; }

/* ── BADGE IMMAGINE CUSTOM ─────────────────────────────────────── */
.custom-badge {
  position: absolute;
  bottom: 3px;
  right: 3px;
  font-size: 10px;
  pointer-events: none;
}

/* ── UPLOAD IMMAGINE CUSTOM NEL MODAL ─────────────────────────── */
.custom-upload-section {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed #e2e8f0;
}

.current-custom {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: #16a34a;
  font-weight: 600;
}

.custom-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: #f0fdf4;
  border: 2px dashed #86efac;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #166534;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  width: 100%;
  justify-content: center;
}

.custom-upload-label:hover {
  background: #dcfce7;
  border-color: #4ade80;
}

.modal-divider {
  text-align: center;
  margin: 0.75rem 0;
  position: relative;
  color: #94a3b8;
  font-size: 0.82rem;
}

.modal-divider::before,
.modal-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 35%;
  height: 1px;
  background: #e2e8f0;
}

.modal-divider::before { left: 0; }
.modal-divider::after  { right: 0; }

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 600px) {
  .site-header { padding: 1rem; }
  h1 { font-size: 1.3rem; }
  .preview-toolbar { flex-direction: column; align-items: flex-start; }
  .row.options { gap: 0.6rem; }
}

/* ── SELETTORE ALUNNO ─────────────────────────────────────────── */
.student-card {
  padding: 0.8rem 1.2rem;
}

.student-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.student-row label {
  font-weight: 600;
  color: #475569;
  white-space: nowrap;
}

.student-row select {
  flex: 1;
  min-width: 160px;
  padding: 6px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 0.9rem;
  background: white;
}

.student-hint {
  font-size: 0.78rem;
  color: #94a3b8;
  margin-top: 0.4rem;
}

.btn.danger { color: #dc2626; border-color: #fca5a5; }
.btn.danger:hover { background: #fef2f2; }

/* ── PULSANTE DRIVE ───────────────────────────────────────────── */
.drive-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  color: white;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s;
  white-space: nowrap;
  margin-left: auto;
}
.drive-button:hover { background: rgba(255,255,255,0.25); }

.drive-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  flex-shrink: 0;
}

.drive-button.connected .drive-dot { background: #4ade80; box-shadow: 0 0 5px #4ade80; }
.drive-button.syncing   .drive-dot { background: #fbbf24; animation: pulse 1s infinite; }
.drive-button.error     .drive-dot { background: #f87171; }

/* ── MODAL DRIVE ──────────────────────────────────────────────── */
.drive-modal-inner { max-width: 480px; width: 95%; }
.drive-modal-inner h3 { margin-bottom: 1rem; }

.drive-status-bar {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.drive-status-bar.ok  { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.drive-status-bar.err { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

/* ── TOAST DRIVE ──────────────────────────────────────────────── */
.drive-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 9999;
  pointer-events: none;
}
.drive-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── NO-PRINT ─────────────────────────────────────────────────── */
@media print {
  .no-print { display: none !important; }
}