/* ============================================================
   FERROUS LABS — AI Diagnostic
   Styles for the multi-step diagnostic form and results
   Relies on design tokens from styles.css
   ============================================================ */

/* ── Diagnostic container ───────────────────────────────────── */
.diagnostic-container { max-width: 720px; margin-inline: auto; }
.diagnostic-container.results-mode { max-width: 820px; }

/* ── Step transitions ───────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.step-card {
  background: #ffffff; border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg); padding: 2rem 2rem 2.5rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  animation: fadeIn 0.3s ease-out;
}

/* ── Light-card text overrides ──────────────────────────────── */
.step-card .step-question { color: #1b1c26; }
.step-card .step-hint     { color: #6e6e7c; }
.step-card .step-counter  { color: #6e6e7c; }
.step-card .form-group label { color: #1b1c26; }
.step-card .form-group p  { color: #6e6e7c; }

/* ── Light-card inputs ──────────────────────────────────────── */
.step-card .form-group input {
  background: #ffffff !important;
  border-color: rgba(0,0,0,0.18) !important;
  color: #1b1c26;
}
.step-card .form-group input::placeholder { color: #9999aa; }
.step-card .form-group input:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(255,91,26,0.12);
}

/* ── Step label + hint ──────────────────────────────────────── */
.step-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 0.75rem; display: block;
}
.step-question {
  font-family: var(--font-display); font-size: 1.1875rem;
  font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary);
}
.step-hint {
  font-size: 0.875rem; color: var(--text-muted);
  margin-bottom: 1.25rem; line-height: 1.6;
}

/* ── Textarea fields ────────────────────────────────────────── */
.diagnostic-textarea {
  width: 100%; padding: 0.875rem 1rem;
  border: 1.5px solid rgba(0,0,0,0.18);
  border-radius: var(--radius); background: #ffffff;
  color: #1b1c26; font-family: var(--font-display);
  font-size: 0.9375rem; line-height: 1.6;
  min-height: 140px; resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.diagnostic-textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,91,26,0.12);
}
.diagnostic-textarea::placeholder { color: #9999aa; font-size: 0.875rem; }

/* ── Checkbox options ───────────────────────────────────────── */
.checkbox-options { display: flex; flex-direction: column; gap: 0.625rem; }
.checkbox-option {
  display: flex; align-items: flex-start; gap: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1.5px solid rgba(0,0,0,0.15); border-radius: var(--radius);
  cursor: pointer; transition: all var(--transition); user-select: none;
  color: #1b1c26;
}
.checkbox-option:hover { border-color: rgba(255,91,26,0.5); background: rgba(255,91,26,0.05); }
.checkbox-option.selected { border-color: var(--orange); background: rgba(255,91,26,0.07); }
.checkbox-option input[type="checkbox"] { display: none; }
.checkbox-dot {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 2px solid rgba(0,0,0,0.25); border-radius: 3px;
  margin-top: 2px; transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.checkbox-option.selected .checkbox-dot {
  border-color: var(--orange); background: var(--orange);
}
.checkbox-option.selected .checkbox-dot::after {
  content: '';
  width: 10px; height: 10px;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 6l2.5 2.5 4.5-5' stroke='%23fff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}
.other-input-wrap {
  margin-top: 0.5rem; margin-left: 2.375rem;
  display: none;
}
.other-input-wrap.visible { display: block; }
.other-input {
  width: 100%; padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius); background: #ffffff;
  border-color: rgba(0,0,0,0.18);
  color: #1b1c26; font-family: var(--font-display); font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.other-input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,91,26,0.1);
}

/* ── Navigation ─────────────────────────────────────────────── */
.step-nav {
  display: flex; justify-content: space-between;
  align-items: center; margin-top: 1.75rem;
}
.step-counter {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted);
}

/* ── Error states ───────────────────────────────────────────── */
.field-error { border-color: #EF4444 !important; }
.error-msg {
  color: #EF4444; font-size: 0.8rem;
  margin-top: 0.25rem; display: none;
}
.error-msg.visible { display: block; }

/* ── Loading state ──────────────────────────────────────────── */
.loading-state {
  text-align: center; padding: 5rem 2rem;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-spinner {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: conic-gradient(var(--orange) 25%, var(--border) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}
.loading-state h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-primary);
}
.loading-state p {
  color: var(--text-muted); font-size: 0.9375rem;
  max-width: 44ch; margin-inline: auto; line-height: 1.6;
}

/* ── Error state ────────────────────────────────────────────── */
.error-state {
  text-align: center; padding: 4rem 2rem;
  background: var(--bg-element); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
}
.error-state h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-primary);
}
.error-state p {
  color: var(--text-muted); font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* ── Results: summary card ──────────────────────────────────── */
.results-summary {
  background: var(--bg-raised); padding: 2.5rem;
  color: var(--text-primary); border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}
.results-summary p {
  color: var(--text-secondary); font-size: 1rem;
  line-height: 1.7; max-width: 60ch;
}

/* ── Results: use case cards ────────────────────────────────── */
.usecases-grid {
  display: flex; flex-direction: column; gap: 1rem;
  margin-bottom: 2rem;
}
.usecase-card {
  background: var(--bg-element); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem 2rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}
.usecase-card:hover { box-shadow: var(--shadow-hover); }
.usecase-number {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 0.25rem; display: block;
}
.usecase-card h4 {
  font-family: var(--font-display); font-size: 1.0625rem;
  font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem;
}
.usecase-card .usecase-desc {
  color: var(--text-muted); font-size: 0.9375rem; line-height: 1.6;
  margin-bottom: 0.5rem;
}
.usecase-card .usecase-impact {
  color: var(--text-secondary); font-size: 0.875rem; font-style: italic;
  margin-bottom: 0.75rem;
}
.usecase-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-flex; padding: 0.25rem 0.625rem;
  border-radius: 99px;
  font-family: var(--font-mono); font-size: 0.675rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  line-height: 1.5;
}
.tag--innovate  { background: rgba(139,92,246,0.1);  color: #8B5CF6; border: 1px solid rgba(139,92,246,0.25); }
.tag--predict   { background: rgba(59,130,246,0.1);  color: #3B82F6; border: 1px solid rgba(59,130,246,0.25); }
.tag--automate  { background: rgba(16,185,129,0.1);  color: #10B981; border: 1px solid rgba(16,185,129,0.25); }
.tag--new-data  { background: rgba(245,158,11,0.1);  color: #F59E0B; border: 1px solid rgba(245,158,11,0.25); }
.tag--service   { background: var(--border); color: var(--text-muted); border: 1px solid var(--border-strong); }

/* ── Results: CTA card ──────────────────────────────────────── */
.results-cta {
  border: 1px solid rgba(255,91,26,0.25);
  border-radius: var(--radius-lg); padding: 2rem 2.5rem;
  background: rgba(255,91,26,0.03);
}
.results-cta p {
  color: var(--text-primary); font-size: 1rem; line-height: 1.6;
  margin-bottom: 1.25rem;
}
.results-cta .btn { margin-right: 0.75rem; }

/* ── Radio options (light card) ─────────────────────────────── */
.step-card .answer-options { display: flex; flex-direction: column; gap: 0.625rem; }
.step-card .answer-option {
  border-color: rgba(0,0,0,0.15); color: #1b1c26;
}
.step-card .option-text { color: #1b1c26; }
.step-card .answer-option:hover { border-color: rgba(255,91,26,0.5); background: rgba(255,91,26,0.05); }
.step-card .answer-option.selected { border-color: var(--orange); background: rgba(255,91,26,0.07); }
.step-card .option-dot { border-color: rgba(0,0,0,0.25); }
.step-card .answer-option.selected .option-dot { border-color: var(--orange); background: var(--orange); }

/* ── Readiness assessment: light cards ──────────────────────── */
.question-card,
.capture-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.question-card h3,
.capture-card h3 { color: #1b1c26; }
.question-card .q-counter,
.capture-card .q-counter { color: #6e6e7c; }
.capture-card .label { color: var(--orange); }
.capture-card > p,
.capture-card [style*="color:var(--slate)"] { color: #6e6e7c !important; }
.capture-card .form-group label { color: #1b1c26; }
.capture-card .form-group input {
  background: #ffffff;
  border-color: rgba(0,0,0,0.18);
  color: #1b1c26;
}
.capture-card .form-group input::placeholder { color: #9999aa; }
.capture-card .form-group input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,91,26,0.12);
}

.question-card .answer-option {
  border-color: rgba(0,0,0,0.15);
  color: #1b1c26;
}
.question-card .option-text { color: #1b1c26; }
.question-card .answer-option:hover { border-color: rgba(255,91,26,0.5); background: rgba(255,91,26,0.05); }
.question-card .answer-option.selected { border-color: var(--orange); background: rgba(255,91,26,0.07); }
.question-card .option-dot { border-color: rgba(0,0,0,0.25); }
.question-card .answer-option.selected .option-dot { border-color: var(--orange); background: var(--orange); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .step-card { padding: 1.5rem 1.25rem 2rem; }
  .results-summary { padding: 1.5rem; }
  .usecase-card { padding: 1.25rem; }
  .results-cta { padding: 1.5rem; }
  .results-cta .btn { width: 100%; justify-content: center; margin-right: 0; margin-bottom: 0.5rem; }
}