/* ═══════════════════════════════════════════════════════════════
   Pre-Screening Tricologico — Frontend CSS (Aggiornato per Leggibilità)
   Design: Premium Medical, Mobile First
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500&family=Cormorant+Garamond:wght@400;500;600&display=swap');

:root {
  --pt-blue:    #3B5BA5;
  --pt-blue-d:  #2B4080;
  --pt-blue-l:  #5478C4;
  --pt-blue-bg: #EEF2FB;
  --pt-dark:    #1A1F2E;
  --pt-text:    #2E3A52;
  --pt-muted:   #64748B;
  --pt-border:  #D0DBF0;
  --pt-white:   #FFFFFF;
  --pt-cream:   #F8FAFF;
  --pt-warn:    #FFF8E1;
  --pt-warn-b:  #FFE082;
  --pt-ok:      #E8F5E9;
  --pt-ok-b:    #4CAF50;
  --pt-err:     #FFEBEE;
  --pt-err-b:   #EF5350;
  --pt-fhead:   'Cormorant Garamond', Georgia, serif;
  --pt-fbody:   'DM Sans', system-ui, sans-serif;
  --pt-r:       12px;
  --pt-ease:    cubic-bezier(.4,0,.2,1);
}

/* ── Root ─────────────────────────────────────────────────── */
.pt-root { font-family: var(--pt-fbody); color: var(--pt-text); max-width: 820px; margin: 0 auto; padding: 0 0 40px; }
.pt-root *, .pt-root *::before, .pt-root *::after { box-sizing: border-box; }

/* ── Disclaimer medico ────────────────────────────────────── */
.pt-disclaimer {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--pt-warn); border: 1px solid var(--pt-warn-b);
  border-radius: var(--pt-r); padding: 18px 20px; margin-bottom: 32px;
  font-size: 1rem; line-height: 1.6; color: var(--pt-dark);
}
.pt-disclaimer-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 1px; }

/* ── Progress ─────────────────────────────────────────────── */
.pt-progress { margin-bottom: 40px; }
.pt-progress-bar { height: 5px; background: var(--pt-border); border-radius: 99px; overflow: hidden; margin-bottom: 18px; }
.pt-progress-fill { height: 100%; background: linear-gradient(90deg, var(--pt-blue-d), var(--pt-blue-l)); width: 0%; border-radius: 99px; transition: width .5s var(--pt-ease); }
.pt-steps-row { display: flex; gap: 0; }
.pt-step-item { flex: 1; display: flex; align-items: center; gap: 10px; padding: 0 12px 0 0; }
.pt-step-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--pt-border); color: var(--pt-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; flex-shrink: 0;
  transition: all .3s;
}
.pt-step-lbl { font-size: 0.95rem; font-weight: 500; color: var(--pt-muted); transition: color .3s; }
.pt-step-item.active .pt-step-num { background: var(--pt-blue); color: #fff; }
.pt-step-item.active .pt-step-lbl { color: var(--pt-blue); font-weight: 700; }
.pt-step-item.completed .pt-step-num { background: var(--pt-blue-bg); color: var(--pt-blue); content: '✓'; }
.pt-step-item.completed .pt-step-num::after { content: '✓'; font-size: 0.9rem; }

/* ── Step content ─────────────────────────────────────────── */
.pt-step-content { display: none; animation: ptIn .35s var(--pt-ease); }
.pt-step-content.active { display: block; }
@keyframes ptIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }

.pt-step-header { margin-bottom: 32px; }
.pt-step-header h2 { font-family: var(--pt-fhead); font-size: clamp(1.7rem,3.5vw,2.4rem); font-weight: 500; color: var(--pt-dark); margin: 0 0 12px; }
.pt-step-header p  { font-size: 1.05rem; color: var(--pt-muted); margin: 0; line-height: 1.7; }

/* ── Form fields ──────────────────────────────────────────── */
.pt-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 8px; }
.pt-form-stack { display: flex; flex-direction: column; gap: 20px; margin-bottom: 8px; }
.pt-field-sm { grid-column: span 1; }

.pt-field { display: flex; flex-direction: column; gap: 7px; }
.pt-field label { font-size: 0.95rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--pt-muted); }
.pt-field .req { color: #E53935; }
.pt-field-note { font-size: 0.9rem; color: var(--pt-muted); margin-top: 2px; }

.pt-field input,
.pt-field select,
.pt-field textarea {
  font-family: var(--pt-fbody); font-size: 1rem; color: var(--pt-text);
  background: var(--pt-cream); border: 1.5px solid var(--pt-border);
  border-radius: var(--pt-r); padding: 13px 16px;
  transition: border-color .2s, box-shadow .2s; outline: none; width: 100%;
}
.pt-field input:focus, .pt-field select:focus, .pt-field textarea:focus {
  border-color: var(--pt-blue-l); box-shadow: 0 0 0 3px rgba(59,91,165,.1); background: #fff;
}
.pt-field textarea { resize: vertical; min-height: 88px; }

.pt-radio-group { display: flex; flex-wrap: wrap; gap: 12px; }
.pt-radio { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 1rem; }
.pt-radio input { width: 18px; height: 18px; accent-color: var(--pt-blue); cursor: pointer; }

/* ── Guida fotografica ────────────────────────────────────── */
.pt-photo-guide { background: var(--pt-blue-bg); border-radius: var(--pt-r); padding: 24px; margin-bottom: 28px; }
.pt-guide-title { font-size: 1.1rem; font-weight: 700; color: var(--pt-blue-d); margin: 0 0 16px; }
.pt-guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pt-guide-item { display: flex; gap: 12px; align-items: flex-start; font-size: 1rem; line-height: 1.5; }
.pt-guide-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }

/* ── Upload zone ──────────────────────────────────────────── */
.pt-upload-section { margin-bottom: 32px; }
.pt-upload-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 12px; }

.pt-upload-card {
  background: var(--pt-white); border: 2px dashed var(--pt-border);
  border-radius: var(--pt-r); padding: 16px; text-align: center;
  transition: border-color .2s, background .2s;
}
.pt-upload-card.required { border-color: rgba(59,91,165,.4); }
.pt-upload-card:hover { border-color: var(--pt-blue-l); background: var(--pt-blue-bg); }

.pt-upload-preview {
  width: 100%; height: 100px; border-radius: 8px;
  background: var(--pt-cream); display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  margin-bottom: 10px; overflow: hidden; position: relative;
}
.pt-upload-icon { font-size: 1.6rem; }
.pt-upload-plus { font-size: 1.2rem; color: var(--pt-blue); }

.pt-upload-label { font-size: 1rem; font-weight: 700; color: var(--pt-dark); margin-bottom: 3px; }
.pt-upload-desc  { font-size: 0.9rem; color: var(--pt-muted); line-height: 1.3; margin-bottom: 10px; }
.pt-file-input   { display: none; }
.pt-upload-btn {
  display: inline-block; background: var(--pt-blue-bg); border: 1.5px solid var(--pt-blue-l);
  color: var(--pt-blue); border-radius: 99px; padding: 7px 14px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all .2s;
}
.pt-upload-btn:hover { background: var(--pt-blue); color: #fff; }
.pt-upload-status { font-size: 0.85rem; margin-top: 6px; min-height: 16px; }
.pt-upload-ok  { color: var(--pt-ok-b); font-weight: 600; }
.pt-upload-err { color: var(--pt-err-b); }
.pt-upload-note { font-size: 0.9rem; color: var(--pt-muted); line-height: 1.5; }

/* ── Consensi ─────────────────────────────────────────────── */
.pt-consent-box { background: var(--pt-cream); border: 1px solid var(--pt-border); border-radius: var(--pt-r); padding: 28px; margin-bottom: 24px; }
.pt-consent-title { font-size: 1.2rem; font-weight: 700; color: var(--pt-dark); margin: 0 0 16px; }
.pt-consent-info { font-size: 1rem; color: var(--pt-muted); line-height: 1.65; margin-bottom: 20px; }
.pt-consent-info a { color: var(--pt-blue); }

.pt-consent-check {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; font-size: 1rem; color: var(--pt-text);
  line-height: 1.6; margin-bottom: 16px; padding: 14px;
  background: var(--pt-white); border: 1.5px solid var(--pt-border);
  border-radius: 8px; transition: border-color .2s;
}
.pt-consent-check:hover { border-color: var(--pt-blue-l); }
.pt-consent-check input[type=checkbox] { width: 22px; height: 22px; min-width: 22px; margin-top: 2px; accent-color: var(--pt-blue); cursor: pointer; }
.pt-consent-check a { color: var(--pt-blue); }
.pt-consent-check .req { color: #E53935; }

.pt-medical-disclaimer-box {
  background: var(--pt-warn); border: 1px solid var(--pt-warn-b);
  border-radius: 8px; padding: 14px 16px; font-size: 0.95rem;
  line-height: 1.6; margin-top: 4px;
}

/* ── Errori ───────────────────────────────────────────────── */
.pt-error-box {
  background: var(--pt-err); border: 1px solid var(--pt-err-b);
  border-radius: 8px; padding: 16px 20px; margin-bottom: 20px;
  font-size: 1rem; color: #C62828;
}
.pt-error-box ul { margin: 0; padding-left: 20px; }
.pt-error-box li { margin-bottom: 4px; }

/* ── Buttons ──────────────────────────────────────────────── */
.pt-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--pt-blue-d), var(--pt-blue));
  color: #fff; border: none; border-radius: 99px;
  padding: 16px 36px; font-family: var(--pt-fbody);
  font-size: 1.05rem; font-weight: 500; letter-spacing: .04em;
  cursor: pointer; transition: all .22s var(--pt-ease);
  box-shadow: 0 4px 16px rgba(43,64,128,.25);
}
.pt-btn:hover:not(:disabled) { background: linear-gradient(135deg, var(--pt-blue), var(--pt-blue-l)); transform: translateY(-2px); box-shadow: 0 6px 22px rgba(43,64,128,.32); }
.pt-btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }
.pt-btn-outline { background: transparent; color: var(--pt-muted); border: 2px solid var(--pt-border); box-shadow: none; }
.pt-btn-outline:hover { border-color: var(--pt-blue-l); color: var(--pt-blue); background: var(--pt-blue-bg); box-shadow: none; transform: none; }
.pt-btn-submit { font-size: 1.1rem; padding: 18px 44px; letter-spacing: .06em; text-transform: uppercase; }

.pt-step-footer { display: flex; justify-content: flex-end; margin-top: 36px; }
.pt-two-col { justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }

/* ── Success ──────────────────────────────────────────────── */
.pt-success-box { text-align: center; padding: 52px 32px; }
.pt-success-icon {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pt-blue-d), var(--pt-blue-l));
  color: #fff; font-size: 2.2rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px; box-shadow: 0 8px 28px rgba(43,64,128,.28);
}
.pt-success-box h2 { font-family: var(--pt-fhead); font-size: 2.2rem; font-weight: 500; color: var(--pt-dark); margin: 0 0 16px; }
.pt-success-box p  { font-size: 1.1rem; color: var(--pt-muted); line-height: 1.7; max-width: 520px; margin: 0 auto 20px; }
.pt-success-pratica { background: var(--pt-blue-bg); border-radius: 8px; padding: 16px 20px; display: inline-block; margin-bottom: 20px; font-size: 1rem; color: var(--pt-blue-d); }
.pt-success-note { background: var(--pt-warn); border: 1px solid var(--pt-warn-b); border-radius: 8px; padding: 14px 18px; font-size: 0.95rem; line-height: 1.6; max-width: 560px; margin: 0 auto; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .pt-form-grid   { grid-template-columns: 1fr; }
  .pt-guide-grid  { grid-template-columns: 1fr; }
  .pt-upload-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .pt-steps-row   { gap: 4px; }
  .pt-step-lbl    { font-size: 0.85rem; }
  .pt-two-col     { flex-direction: column-reverse; align-items: stretch; }
  .pt-btn         { width: 100%; }
  .pt-btn-outline { width: auto; align-self: center; }
  .pt-consent-box { padding: 18px; }
}

@media (max-width: 420px) {
  .pt-upload-grid { grid-template-columns: 1fr 1fr; }
  .pt-step-lbl    { display: none; }
}

/* ══════════════════════════════════════════════════════════
   BLOCCO ESITO AI FRONTEND (success state)
   ══════════════════════════════════════════════════════════ */
.pt-ai-result-box {
  background: #F8FAFF;
  border: 1px solid var(--pt-border);
  border-radius: 14px;
  padding: 28px;
  margin: 28px auto;
  max-width: 600px;
  text-align: left;
}

/* Disclaimer prominente */
.pt-ai-result-disclaimer {
  background: var(--pt-warn);
  border: 1px solid var(--pt-warn-b);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--pt-dark);
  margin-bottom: 24px;
}

/* Header con stadio */
.pt-ai-result-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pt-border);
}
.pt-ai-result-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--pt-blue);
  margin-bottom: 10px;
}
.pt-ai-result-stage {
  font-family: var(--pt-fhead);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--pt-dark);
  line-height: 1;
  margin-bottom: 8px;
}
.pt-ai-result-formulation {
  font-size: 1rem;
  color: var(--pt-muted);
  font-style: italic;
  line-height: 1.5;
}

/* Griglia celle dati */
.pt-ai-result-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.pt-ai-result-cell {
  background: var(--pt-white);
  border: 1px solid var(--pt-border);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
}
.pt-ai-result-cell-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--pt-muted);
  margin-bottom: 6px;
}
.pt-ai-result-cell-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--pt-blue-d);
  line-height: 1.35;
}

/* Footer disclaimer */
.pt-ai-result-footer {
  font-size: 0.9rem;
  color: var(--pt-muted);
  line-height: 1.6;
  border-top: 1px solid var(--pt-border);
  padding-top: 16px;
  text-align: center;
}

/* Responsive */
@media (max-width: 500px) {
  .pt-ai-result-grid { grid-template-columns: 1fr; }
  .pt-ai-result-stage { font-size: 1.9rem; }
}

/* ── GDPR Table ────────────────────────────────────────── */
.pt-gdpr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 12px 0;
}
.pt-gdpr-table td {
  padding: 7px 10px;
  border: 1px solid #e0e0e0;
  vertical-align: top;
  line-height: 1.5;
}
.pt-gdpr-table tr:nth-child(even) td {
  background: #f9f9f9;
}
.pt-gdpr-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
  width: 200px;
  color: #333;
}

/* ── Field help text ───────────────────────────────────── */
.pt-field-help {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 8px;
  line-height: 1.5;
}
.pt-field-help-list {
  margin: 6px 0 0 16px;
  padding: 0;
}
.pt-field-help-list li {
  margin-bottom: 4px;
}

/* ── Guide intro & warning ─────────────────────────────── */
.pt-guide-intro {
  font-size: 1rem;
  color: #444;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: #f0f4ff;
  border-radius: 6px;
  border-left: 3px solid #4a6cf7;
}
.pt-guide-warning {
  margin-top: 14px;
  padding: 10px 14px;
  background: #fff8e1;
  border-left: 3px solid #f59e0b;
  border-radius: 6px;
  font-size: 0.95rem;
  color: #555;
}

/* ── Photo quality alert (success screen) ──────────────── */
.pt-photo-quality-alert {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff8e1;
  border: 1px solid #f59e0b;
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
}
.pt-photo-quality-alert-icon {
  font-size: 2em;
  flex-shrink: 0;
}
.pt-photo-quality-alert-body strong {
  display: block;
  margin-bottom: 6px;
  color: #92400e;
}
.pt-photo-quality-alert-body p {
  font-size: 0.95rem;
  color: #555;
  margin: 8px 0 0;
}