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

/* ── Variabili ── */
:root {
  --color-bg:           #ffffff;
  --color-text:         #1a1a1a;
  --color-muted:        #555555;
  --color-border:       #e0e0e0;
  --color-primary:      #1a5276;
  --color-primary-hover:#154360;
  --color-surface:      #f7f8fa;
  --color-warning:      #fff8e6;
  --color-warning-border:#e6c84a;
  --color-tag-vendita:  #d4e6f1;
  --color-tag-acq:      #d5f5e3;
  --color-tag-new:      #fdebd0;
  --color-tag-social:   #e8daef;
  --font:               -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width:          860px;
  --radius:             6px;
}

/* ── Base ── */
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav a {
  margin-left: 1.5rem;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

nav a:hover { color: var(--color-text); }

/* ── Main ── */
main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  width: 100%;
}

/* ── Hero ── */
.hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.hero-sub {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 58ch;
  margin-bottom: 1rem;
}

.hero-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ── Sezioni prompt ── */
.prompt-section {
  margin-bottom: 2.5rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.2rem 0.5rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.section-header h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ── Griglia prompt ── */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.prompt-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: var(--color-bg);
}

.prompt-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 1px 6px rgba(26,82,118,0.08);
}

.prompt-card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

.prompt-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.prompt-card p {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin: 0;
}

/* ── CTA Donazione ── */
.donate-section {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.donate-section p {
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 52ch;
  margin: 0;
}

/* ── Form ── */
.form-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

label .hint {
  font-weight: 400;
  color: var(--color-muted);
  font-size: 0.8rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea { resize: vertical; min-height: 80px; }

/* ── Pulsanti ── */
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover { background: var(--color-surface); }

/* ── Output ── */
.output-box {
  display: none;
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.output-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.output-text {
  white-space: pre-wrap;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.output-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ── Warning box ── */
.warning {
  background: var(--color-warning);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.83rem;
  color: #5a4a00;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

/* ── Spinner ── */
.spinner {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}

.spinner.active { display: flex; }

.spinner-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 1.2s ease-in-out infinite;
}

.spinner-dot:nth-child(2) { animation-delay: 0.2s; }
.spinner-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
  0%, 80%, 100% { opacity: 0.25; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ── Modal T&C ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.modal h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.modal p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.modal-links {
  list-style: none;
  margin-bottom: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.modal-links li {
  border-bottom: 1px solid var(--color-border);
}

.modal-links li:last-child { border-bottom: none; }

.modal-links a {
  display: block;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
}

.modal-links a:hover { background: var(--color-surface); }

.modal-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
}

/* ── Pagina prompt (form) ── */
.prompt-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.prompt-header .back {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.prompt-header .back:hover { color: var(--color-text); }

.prompt-header h1 {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.prompt-header p {
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 58ch;
}

/* ── Footer ── */
footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: center;
}

footer a {
  color: var(--color-muted);
  text-decoration: none;
  margin: 0 0.25rem;
}

footer a:hover { color: var(--color-text); }

/* ── Tooltip ── */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  font-size: 0.75rem;
  line-height: 1.4;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  white-space: normal;
  width: 220px;
  text-align: left;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 20;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ── Mobile ── */
@media (max-width: 600px) {
  header {
    padding: 0.875rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  nav a:first-child { margin-left: 0; }

  main { padding: 1.5rem 1rem 3rem; }

  .hero h1 { font-size: 1.4rem; }

  .prompt-grid {
    grid-template-columns: 1fr;
  }

  .donate-section {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Aggiunte al style.css per le pagine form ──────────────── */
/* Incolla questo in fondo a /css/style.css */

/* Badge prompt */
.prompt-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

/* Link "Perché funziona" */
.why-link {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: 0.5rem;
}

.why-link:hover { text-decoration: underline; }

/* Griglia form a 2 colonne */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Divisore sezione opzionale */
.section-divider {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 1.75rem 0 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.section-divider .hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 0.5rem;
}

/* Azioni form */
.form-actions {
  margin-top: 1.75rem;
  display: flex;
  gap: 0.75rem;
}

/* Tooltip icona */
.tooltip-icon {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-muted);
  cursor: help;
  margin-left: 0.25rem;
  position: relative;
}

.tooltip-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  font-size: 0.75rem;
  line-height: 1.45;
  padding: 0.45rem 0.65rem;
  border-radius: 4px;
  white-space: normal;
  width: 240px;
  text-align: left;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 20;
  font-weight: 400;
}

.tooltip-icon:hover::after { opacity: 1; }

/* Mobile form */
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Anchor offset per header sticky (~60px) + margine sicurezza 16px */
[id] {
  scroll-margin-top: 76px;
}

/* CTA feedback/bug — discreto, non compete con l'output */
.cta-feedback {
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  font-size: 0.78rem;
  color: var(--color-muted);
}
.cta-feedback a {
  color: var(--color-muted);
  text-decoration: none;
}
.cta-feedback a:hover { color: var(--color-text); }
@media (max-width: 600px) {
  .cta-feedback { flex-direction: column; gap: 0.4rem; }
}

/* ── Passi numerati (Come funziona) ── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin: 2rem 0 2.5rem;
}

.step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  align-items: start;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.step-body p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0;
}

/* Box informativo neutro */
.info-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 2rem 0;
}

.info-box strong {
  color: var(--color-text);
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .step { grid-template-columns: 2rem 1fr; gap: 0.75rem; }
  .step-number { width: 2rem; height: 2rem; font-size: 0.875rem; }
}

/* ── Pagina Sostieni ── */
.donate-methods {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.donate-method {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
}

.donate-method h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.donate-method .iban-code {
  font-family: monospace;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  display: block;
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.donate-method p {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin: 0;
}

.donate-legal {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  margin-top: 2rem;
  max-width: 62ch;
}

/* ── Pagine legali ── */
.legal-content {
  max-width: 68ch;
}

.legal-content h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.legal-content p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.legal-content ul {
  margin: 0.25rem 0 0.75rem 1.25rem;
  padding: 0;
}

.legal-content li {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 0.25rem;
}

.legal-content .warning {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.legal-content .warning p {
  margin-top: 0.5rem;
  margin-bottom: 0;
}