/* ─────────────────────────────────────────────────────────────────────────────
   RealFood Advisor — CSS
   Namespace: rfa-
   Stile: pulito e minimale
───────────────────────────────────────────────────────────────────────────── */

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

:root {
  --green:        #0f6e56;
  --green-light:  #e8f5ee;
  --green-mid:    #d0ead9;
  --text:         #1a1a1a;
  --text-muted:   #666;
  --text-hint:    #999;
  --bg:           #f8f7f2;
  --bg-card:      #ffffff;
  --border:       #e0ddd5;
  --radius:       10px;
  --shadow:       0 1px 4px rgba(0,0,0,0.07);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.6;
}

/* ── Layout ────────────────────────────────────────────────────────────────── */
.rfa-app {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.rfa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
  border-bottom: 2px solid var(--green);
}

.rfa-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.3px;
}

.rfa-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* ── Lang toggle ───────────────────────────────────────────────────────────── */
.rfa-lang {
  display: flex;
  gap: 0.25rem;
  background: var(--border);
  border-radius: 6px;
  padding: 3px;
}

.rfa-lang button {
  background: none;
  border: none;
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.rfa-lang button.active {
  background: var(--bg-card);
  color: var(--green);
  box-shadow: var(--shadow);
}

/* ── Card ──────────────────────────────────────────────────────────────────── */
.rfa-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.rfa-card-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  margin-bottom: 1rem;
}

/* ── Form profilo ──────────────────────────────────────────────────────────── */
.rfa-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.rfa-form-grid.full { grid-template-columns: 1fr; }

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

.rfa-field label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.rfa-field input,
.rfa-field select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s;
  width: 100%;
}

.rfa-field input:focus,
.rfa-field select:focus {
  outline: none;
  border-color: var(--green);
  background: var(--bg-card);
}

/* ── Bottoni ───────────────────────────────────────────────────────────────── */
.rfa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  width: 100%;
  margin-top: 0.75rem;
}

.rfa-btn:hover  { opacity: 0.88; }
.rfa-btn:active { opacity: 0.75; }
.rfa-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.rfa-btn-secondary {
  background: none;
  color: var(--green);
  border: 1px solid var(--green);
  margin-top: 0.5rem;
}

/* ── Query input ───────────────────────────────────────────────────────────── */
.rfa-query-wrap {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.rfa-query-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s;
}

.rfa-query-input:focus {
  outline: none;
  border-color: var(--green);
  background: var(--bg-card);
}

.rfa-query-btn {
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 0.65rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.rfa-query-btn:hover    { opacity: 0.88; }
.rfa-query-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Risultati ─────────────────────────────────────────────────────────────── */
.rfa-result { margin-top: 1rem; }

.rfa-summary {
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1rem;
}

.rfa-details { display: flex; flex-direction: column; gap: 0.6rem; }

.rfa-detail-item {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
}

.rfa-detail-point {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.25rem;
}

.rfa-detail-content {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
}

.rfa-detail-source {
  font-size: 0.72rem;
  color: var(--text-hint);
  margin-top: 0.25rem;
}

.rfa-profile-notes {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: #fff8e6;
  border-left: 3px solid #e8a020;
  border-radius: 0 6px 6px 0;
  font-size: 0.85rem;
  color: #7a5010;
}

.rfa-disclaimer-text {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-hint);
  line-height: 1.5;
}

/* ── Loading ───────────────────────────────────────────────────────────────── */
.rfa-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 1rem 0;
}

.rfa-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: rfa-spin 0.7s linear infinite;
}

@keyframes rfa-spin { to { transform: rotate(360deg); } }

/* ── Rate limit bar ────────────────────────────────────────────────────────── */
.rfa-rate-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-hint);
  margin-top: 0.5rem;
}

.rfa-rate-dots {
  display: flex;
  gap: 3px;
}

.rfa-rate-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green-mid);
}

.rfa-rate-dot.used { background: var(--green); }

/* ── Footer ────────────────────────────────────────────────────────────────── */
.rfa-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-hint);
  line-height: 1.6;
}

/* ── Utility ───────────────────────────────────────────────────────────────── */
.rfa-hidden  { display: none !important; }
.rfa-mt-sm   { margin-top: 0.5rem; }
.rfa-bmi-tag {
  display: inline-block;
  font-size: 0.72rem;
  background: var(--green-light);
  color: var(--green);
  border-radius: 4px;
  padding: 0.1em 0.5em;
  margin-left: 0.4rem;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .rfa-form-grid { grid-template-columns: 1fr; }
  .rfa-query-wrap { flex-direction: column; }
  .rfa-query-btn  { width: 100%; }
}

/* ── Tab selector ──────────────────────────────────────────────────────────── */
.rfa-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--border);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 1rem;
}

.rfa-tab {
  flex: 1;
  background: none;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  line-height: 1.3;
}

.rfa-tab.active {
  background: var(--bg-card);
  color: var(--green);
  box-shadow: var(--shadow);
}

/* ── Textarea ──────────────────────────────────────────────────────────────── */
.rfa-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.65rem 0.9rem;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  resize: vertical;
  min-height: 90px;
  transition: border-color 0.15s;
}

.rfa-textarea:focus {
  outline: none;
  border-color: var(--green);
  background: var(--bg-card);
}

/* ── Meal time selector ────────────────────────────────────────────────────── */
.rfa-mealtime {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.rfa-mealtime button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.rfa-mealtime button.active {
  background: var(--green-light);
  border-color: var(--green);
  color: var(--green);
  font-weight: 600;
}

/* ── Checkbox group (intolleranze) ─────────────────────────────────────────── */
.rfa-checkgroup {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.rfa-check {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.rfa-check:has(input:checked) {
  background: var(--green-light);
  border-color: var(--green);
  color: var(--green);
  font-weight: 600;
}

.rfa-check input[type="checkbox"] {
  display: none;
}