/* RehabSearch AI — V0 minimal stylesheet
   Clean professional healthcare UI. Desktop-first, mobile usable. */

:root {
  --primary: #1a5fb4;
  --primary-dark: #134a8e;
  --primary-light: #e8f1fb;
  --accent: #0f9d8f;
  --text: #1c2530;
  --text-muted: #5c6b7a;
  --border: #d8e0e8;
  --bg: #f5f8fa;
  --surface: #ffffff;
  --warn-bg: #fff6e5;
  --warn-border: #e0a800;
  --warn-text: #7a5300;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(20, 40, 60, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* ---------- Header ---------- */
.header { margin-bottom: 28px; }

.logo {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--primary-dark);
}

.tagline {
  margin: 4px 0 0;
  font-size: 16px;
  color: var(--text-muted);
}

.tagline-sub {
  margin-top: 2px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.beta-badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

/* ---------- Input ---------- */
.input-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.input-label {
  display: block;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.disclaimer {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-muted);
}

textarea#query-input {
  width: 100%;
  padding: 12px;
  font: inherit;
  font-size: 15px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  resize: vertical;
  background: #fdfefe;
}

textarea#query-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.warning-box {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-left-width: 4px;
  border-radius: 4px;
  font-size: 13.5px;
  color: var(--warn-text);
}

.btn {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  padding: 11px 20px;
  transition: background .15s ease;
}

.btn-primary {
  margin-top: 14px;
  background: var(--primary);
  color: #fff;
  width: 100%;
}

.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: #9db6d4; cursor: not-allowed; }

/* Stage 1 external beta: boundary statement under the input, feedback button in footer */
.boundary-note {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-muted);
  border-left: 3px solid var(--primary-light);
  padding-left: 8px;
}

.btn-feedback {
  display: inline-block;
  margin-top: 16px;
  padding: 9px 16px;
  font-size: 14px;
  background: var(--surface);
  color: var(--primary-dark);
  border: 1px solid var(--primary);
  text-decoration: none;
}
.btn-feedback:hover { background: var(--primary-light); }

/* ---------- Results ---------- */
.results-section { display: none; }
.results-section.visible { display: block; }

.intent-panel, .destinations-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.intent-panel h2, .destinations-panel h2 {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 8px;
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.intent-item {
  background: #fafcfe;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 14px;
}

.intent-key {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
}

.intent-val { font-weight: 600; }
.intent-val.none { color: #9aa8b6; font-weight: 500; }

.placeholder-text { color: var(--text-muted); font-size: 14px; margin: 0; }

/* ---------- Search Concept (V0.2) ---------- */
.intent-concept {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: linear-gradient(0deg, var(--primary-light), var(--primary-light));
  border: 1px solid #c3d9f2;
  border-left-width: 4px;
  border-radius: 6px;
  padding: 11px 14px;
  margin-bottom: 14px;
}

.concept-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  word-break: break-word;
}

/* ---------- Search Constraints (V0.2) ---------- */
.intent-constraints {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.constraint-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.constraint-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: #f2f6fa;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 13px;
  font-weight: 600;
}

.chip-key {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--text-muted);
}

/* ---------- Destination cards ---------- */
.dest-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 14px;
  background: #fdfefe;
}

.dest-card:last-child { margin-bottom: 0; }

.dest-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.dest-name { font-size: 15.5px; font-weight: 700; }
.dest-desc { font-size: 12.5px; color: var(--text-muted); margin: 0 0 10px; }

.query-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px dashed var(--border);
}

.query-item:first-of-type { border-top: none; }

.query-text {
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  background: #f2f6fa;
  padding: 7px 10px;
  border-radius: 4px;
  word-break: break-word;
}

.btn-copy {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid #c3d9f2;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-copy:hover { background: #d3e5f8; }
.btn-copy.copied { background: var(--accent); color: #fff; border-color: var(--accent); }

.dest-visit {
  margin-top: 10px;
  font-size: 13px;
}

.dest-visit a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.dest-visit a:hover { text-decoration: underline; }
.visit-note { color: var(--text-muted); font-size: 12px; }

/* ---------- Out of scope / errors ---------- */
.scope-msg {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-left-width: 4px;
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.scope-msg h3 { margin: 0 0 6px; font-size: 15px; color: var(--warn-text); }
.scope-msg p { margin: 0; font-size: 14px; color: var(--warn-text); }

.error-msg {
  background: #fdecea;
  border: 1px solid #e08b84;
  border-left-width: 4px;
  border-radius: 4px;
  padding: 14px 16px;
  color: #8a2b22;
  font-size: 14px;
  margin-bottom: 20px;
}

/* ---------- Search engine mode indicator ---------- */
.mode-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .3px;
  vertical-align: middle;
  white-space: nowrap;
  border: 1px solid transparent;
}

.mode-ai {
  background: #e6f4ee;
  color: #0b6b4f;
  border-color: #b6ddc9;
}

.mode-offline {
  background: var(--warn-bg);
  color: var(--warn-text);
  border-color: var(--warn-border);
}

/* ---------- Panel note ---------- */
.panel-note {
  margin: -6px 0 14px;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ---------- Blocked request ---------- */
.block-msg {
  background: #fdecea;
  border: 1px solid #e08b84;
  border-left-width: 4px;
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.block-msg h3 { margin: 0 0 6px; font-size: 15px; color: #8a2b22; }
.block-msg p { margin: 0; font-size: 14px; color: #8a2b22; }

.warning-box.blocking {
  background: #fdecea;
  border-color: #e08b84;
  color: #8a2b22;
}

/* ---------- Footer ---------- */
.footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.footer-note {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .container { padding: 20px 14px 36px; }
  .logo { font-size: 25px; }
  .intent-grid { grid-template-columns: 1fr 1fr; }
  .query-item { flex-direction: column; align-items: stretch; }
  .btn-copy { width: 100%; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e4ecf3;
    --text-muted: #98a9b9;
    --border: #2c3a4a;
    --bg: #141b23;
    --surface: #1c252f;
    --primary: #5b9bd5;
    --primary-dark: #8ec1ee;
    --primary-light: #233246;
  }
  textarea#query-input { background: #141b23; }
  .intent-item { background: #212c37; }
  .dest-card { background: #212c37; }
  .query-text { background: #16202a; }
  .btn-copy { background: #233246; color: #a8cdf0; border-color: #35506e; }
  .btn-copy:hover { background: #2c3f56; }
  .intent-concept { background: #233246; border-color: #35506e; }
  .concept-val { color: #a8cdf0; }
  .constraint-chip { background: #212c37; }
  .mode-ai { background: #16352a; color: #7fd4ae; border-color: #2c5c46; }
  .block-msg { background: #3a1f1c; border-color: #7d3b34; }
  .block-msg h3, .block-msg p { color: #f0a79f; }
  .warning-box.blocking { background: #3a1f1c; border-color: #7d3b34; color: #f0a79f; }
  .error-msg { background: #3a1f1c; border-color: #7d3b34; color: #f0a79f; }
}