textarea {
  background: var(--surface2);
  border: 0.5px solid var(--border-hover);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  padding: 14px 16px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  width: 100%;
  min-height: 100px;
  line-height: 1.6;
}

textarea::placeholder { color: #555; }
textarea:focus {
  border-color: rgba(232,255,71,0.5);
  background: var(--surface3);
}

/* Quick picks */
.quick-picks {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 0.5px solid var(--border);
}

.quick-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.quick-btn {
  background: var(--surface2);
  border: 0.5px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  padding: 10px 12px;
  text-align: left;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  line-height: 1.4;
}

.quick-btn:hover {
  border-color: rgba(232,255,71,0.3);
  color: var(--white);
  background: var(--surface3);
}

/* Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  border: 0.5px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--white);
  background: var(--surface2);
}

.nav-link.active {
  color: var(--accent);
  border-color: rgba(232,255,71,0.2);
  background: var(--accent-dim);
}

/* Diagnosis result */
.diagnosis-card {
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 1rem;
  animation: fadeUp 0.4s ease;
  text-align: center;
}

.urgency-high   { background: var(--red-bg);    border: 0.5px solid var(--red-border); }
.urgency-medium { background: var(--orange-bg); border: 0.5px solid var(--orange-border); }
.urgency-low    { background: var(--green-bg);  border: 0.5px solid var(--green-border); }

.urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin: 0 auto 1rem;
}

.urgency-high   .urgency-badge { background: var(--red-bg);    color: var(--red);    border: 0.5px solid var(--red-border); }
.urgency-medium .urgency-badge { background: var(--orange-bg); color: var(--orange); border: 0.5px solid var(--orange-border); }
.urgency-low    .urgency-badge { background: var(--green-bg);  color: var(--green);  border: 0.5px solid var(--green-border); }

.diagnosis-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  letter-spacing: 0.5px;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.diagnosis-cause {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.diagnosis-body {
  font-size: 14px;
  color: #bbb;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.cost-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 1rem;
}

.cost-box {
  background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 12px 14px;
}

.cost-box .plabel {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 5px;
  font-weight: 600;
}

.cost-box .pval {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--white);
}

.action-box {
  background: rgba(232,255,71,0.05);
  border: 0.5px solid rgba(232,255,71,0.15);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: #ccc;
  line-height: 1.6;
}

.action-box strong { color: var(--accent); }

#diagnose-btn {
  width: 100%;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  padding: 16px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-top: 1rem;
}

#diagnose-btn:hover {
  background: #f0ff6b;
  transform: translateY(-1px);
}

#diagnose-btn:disabled {
  background: var(--surface3);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 480px) {
  .quick-grid { grid-template-columns: 1fr; }
  .cost-row { grid-template-columns: 1fr; }
  .header-nav { display: none; }
}

/* Warning signs box */
.warning-signs-box {
  background: rgba(239,68,68,0.06);
  border: 0.5px solid rgba(239,68,68,0.2);
  border-radius: 10px;
  padding: 12px 14px;
  margin-top: 1rem;
}

.warning-signs-title {
  font-size: 13px;
  margin-bottom: 6px;
  color: #ef4444;
}

.warning-signs-text {
  font-size: 13px;
  color: #ccc;
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 768px) {
  .urgency-badge { font-size: 11px; padding: 4px 12px; }
  .symptom-result-card { padding: 1.25rem; gap: 0.75rem; }
  .diagnosis-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .action-box { padding: 1rem; font-size: 13px; }
  .warning-signs-box { padding: 1rem; }
  .cost-estimate { font-size: 20px; }
}