:root {
  --bg: #f5f3ef;
  --paper: #ffffff;
  --ink: #1a1f1c;
  --muted: #6b7570;
  --line: #e4e8e3;
  --teal: #1a6b62;
  --teal-light: #e6f5f2;
  --green: #2d7a4f;
  --green-light: #e8f5ed;
  --amber: #92610a;
  --amber-light: #fef5e0;
  --red: #c0392b;
  --red-light: #fdecea;
  --blue: #1a5c8c;
  --blue-light: #e6f0fa;
  --shadow-sm: 0 1px 4px rgba(0,0,0,.08);
  --shadow: 0 4px 16px rgba(0,0,0,.10);
  --radius: 14px;
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); }
h2 { font-size: 26px; font-weight: 900; }
h3 { font-size: 20px; font-weight: 800; }
p { line-height: 1.5; color: var(--muted); font-size: 15px; }

input, textarea, select, button { font: inherit; }
input, textarea, select {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  outline: none;
  font-size: 15px;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26,107,98,.12);
}
textarea { resize: vertical; line-height: 1.5; }
button { cursor: pointer; }
button:disabled { opacity: .5; cursor: not-allowed; }

/* ── Welcome screen ────────────────────────────────────────────── */
.welcome-screen {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-height(135deg, #f0faf7, #f9f7f0);
  background: linear-gradient(160deg, #edfaf5 0%, #f9f5ee 100%);
}
.welcome-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--teal);
  color: #fff;
  font-size: 26px;
  font-weight: 900;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 20px rgba(26,107,98,.3);
}
.brand-mark.large { width: 72px; height: 72px; font-size: 32px; border-radius: 20px; }
.brand-mark.small { width: 32px; height: 32px; font-size: 14px; border-radius: 8px; }
.welcome-sub { color: var(--muted); font-size: 16px; margin-top: -4px; }
.welcome-form { width: 100%; display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.big-input { font-size: 17px; padding: 15px 16px; border-radius: 12px; }
.safety-notice {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 8px;
  padding: 10px 14px;
  background: rgba(0,0,0,.04);
  border-radius: 8px;
}

/* ── App shell ─────────────────────────────────────────────────── */
.app {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  max-width: 560px;
  margin: 0 auto;
  background: var(--paper);
  position: relative;
}

/* ── Top bar ───────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-brand { display: flex; align-items: center; gap: 10px; }
.topbar-name { font-weight: 800; font-size: 16px; }
.topbar-settings {
  background: none;
  border: none;
  font-size: 20px;
  padding: 4px 8px;
  border-radius: 8px;
  color: var(--muted);
}
.topbar-settings:hover { background: var(--line); }

/* ── Content area ──────────────────────────────────────────────── */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 80px; /* space for bottom nav */
}
.tab-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.center-content {
  align-items: center;
  text-align: center;
  padding-top: 40px;
}

/* ── Bottom nav ────────────────────────────────────────────────── */
.bottom-nav {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 560px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 8px 0 env(safe-area-inset-bottom, 8px);
  z-index: 10;
}
.nav-btn {
  flex: 1;
  border: none;
  background: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  border-radius: 8px;
}
.nav-btn.active { color: var(--teal); }
.nav-icon { font-size: 20px; line-height: 1; }
.nav-label { font-size: 10px; }

/* ── Buttons ───────────────────────────────────────────────────── */
.button {
  border: none;
  border-radius: 12px;
  padding: 13px 20px;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}
.big-btn {
  width: 100%;
  padding: 16px;
  font-size: 17px;
  border-radius: 14px;
}
.secondary-btn {
  width: 100%;
  padding: 13px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
}
.danger-btn {
  width: 100%;
  padding: 13px;
  border-radius: 12px;
  background: var(--red-light);
  border: 1.5px solid #f0b9b4;
  color: var(--red);
  font-weight: 700;
  font-size: 15px;
}
.ask-btn {
  padding: 13px 18px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}
.busy { opacity: .75; }
.spinner {
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
.spinner-wrap { display: flex; justify-content: center; padding: 20px; }
@keyframes spin { to { transform: rotate(360deg); } }
.hidden-input { display: none; }

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}
.card-dimmed { opacity: .5; }
.green-card { border-color: #b7e0cb; background: #f4fbf7; }
.warn-card { border-color: #f0d990; background: var(--amber-light); }
.answer-card { border-color: var(--teal); background: var(--teal-light); }
.empty-card { text-align: center; padding: 24px 14px; cursor: pointer; }
.card-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.card-title { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.card-body { color: var(--ink); font-size: 15px; line-height: 1.55; }
.empty-cta { font-size: 13px; color: var(--teal); font-weight: 700; }

/* ── Home tab ──────────────────────────────────────────────────── */
.parent-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--teal);
  color: #fff;
  border-radius: var(--radius);
  margin-bottom: 4px;
}
.parent-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.parent-name { font-size: 18px; font-weight: 900; color: #fff; flex: 1; }
.parent-sub { font-size: 12px; color: rgba(255,255,255,.75); margin-top: 2px; }
.checkin-cta {
  padding: 10px 14px;
  font-size: 13px;
  border-radius: 10px;
  background: rgba(255,255,255,.2);
  border: 1.5px solid rgba(255,255,255,.5);
  color: #fff;
  font-weight: 800;
  flex-shrink: 0;
}

.mood-tag {
  background: rgba(45,122,79,.1);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 800;
}
.quote-block {
  margin-top: 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--teal);
  background: rgba(26,107,98,.07);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  font-size: 14px;
  color: var(--ink);
}
.flag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.flag-pill {
  background: var(--amber-light);
  color: var(--amber);
  border: 1px solid #e8c94a;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
}
.evidence { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.evidence-item {
  font-size: 13px;
  color: var(--muted);
  padding: 6px 10px;
  background: rgba(0,0,0,.04);
  border-radius: 6px;
}
.warn-tag {
  display: inline-block;
  background: var(--amber-light);
  color: var(--amber);
  border: 1px solid #e8c94a;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 6px;
}
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.action-btn span { font-size: 24px; }

/* ── Section titles ────────────────────────────────────────────── */
.section-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
}
.section-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.refresh-btn {
  background: none; border: none; font-size: 13px; font-weight: 700; color: var(--teal); padding: 4px 8px; border-radius: 6px;
}
.field-label { display: block; font-size: 12px; font-weight: 800; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.sub-label { font-size: 12px; color: var(--muted); font-weight: 700; }
.sub-text { font-size: 14px; color: var(--muted); }

/* ── Check-in tab ──────────────────────────────────────────────── */
.prompts { display: flex; flex-direction: column; gap: 6px; }
.prompt {
  padding: 10px 12px;
  background: var(--teal-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--teal);
  font-weight: 600;
  border: 1px solid rgba(26,107,98,.15);
}
.checkin-textarea {
  width: 100%;
  min-height: 120px;
  padding: 13px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font-size: 15px;
  line-height: 1.55;
  resize: vertical;
  outline: none;
}
.checkin-textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(26,107,98,.12); }
.sample-details { margin-top: 4px; }
.sample-details summary { font-size: 13px; color: var(--teal); font-weight: 700; cursor: pointer; padding: 4px 0; }
.samples { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.sample-item {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  line-height: 1.4;
}
.sample-item:hover { background: var(--teal-light); border-color: var(--teal); }
.done-circle {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 36px;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(45,122,79,.35);
}
.pill-row { display: flex; flex-wrap: wrap; gap: 6px; }

/* ── Upload tab ────────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed #b8d9cc;
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}
.upload-zone:hover { border-color: var(--teal); background: var(--teal-light); }
.upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ── Ask tab ───────────────────────────────────────────────────── */
.suggestions { display: flex; flex-direction: column; gap: 6px; }
.suggestion-btn {
  text-align: left;
  padding: 11px 14px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  color: var(--teal);
  font-weight: 600;
  cursor: pointer;
}
.suggestion-btn:hover { background: var(--teal-light); border-color: var(--teal); }
.ask-row { display: flex; gap: 8px; align-items: center; }
.ask-input { flex: 1; }
.answer-text { color: var(--ink); font-size: 15px; line-height: 1.6; white-space: pre-wrap; }
.source-item {
  padding: 10px 12px;
  background: var(--bg);
  border-radius: 8px;
  border-left: 3px solid var(--teal);
}
.source-date { font-size: 12px; font-weight: 800; color: var(--teal); display: block; margin-bottom: 4px; }
.source-text { font-size: 14px; color: var(--ink); }
.disclaimer { font-size: 12px; color: var(--muted); font-style: italic; text-align: center; margin-top: 4px; }

/* ── Timeline tab ──────────────────────────────────────────────── */
.date-group-label {
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--teal);
  padding: 8px 0 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}
.timeline-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 6px;
}
.timeline-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.time-label { font-size: 12px; color: var(--muted); font-weight: 700; flex: 1; text-align: right; }
.del-btn {
  background: none; border: none; color: var(--muted); font-size: 14px; padding: 2px 6px; border-radius: 4px; cursor: pointer;
}
.del-btn:hover { background: var(--red-light); color: var(--red); }
.timeline-text { font-size: 14px; color: var(--ink); line-height: 1.5; }

/* ── Pills ─────────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 800;
  background: var(--line);
  color: var(--muted);
}
.pill-green { background: var(--green-light); color: var(--green); }
.pill-red { background: var(--red-light); color: var(--red); }
.pill-yellow { background: var(--amber-light); color: var(--amber); }
.pill-blue { background: var(--blue-light); color: var(--blue); }
.pill-gray { background: var(--line); color: var(--muted); }

/* ── Messages ──────────────────────────────────────────────────── */
.error-msg {
  padding: 11px 14px;
  background: var(--red-light);
  border: 1px solid #f0b9b4;
  border-radius: 10px;
  font-size: 14px;
  color: var(--red);
}
.success-msg {
  padding: 11px 14px;
  background: var(--green-light);
  border: 1px solid #b7e0cb;
  border-radius: 10px;
  font-size: 14px;
  color: var(--green);
  font-weight: 700;
}

/* ── Voice button ──────────────────────────────────────────────── */
.voice-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.button.voice { background: var(--teal-light); color: var(--teal); border: 1.5px solid var(--teal); font-weight: 800; padding: 11px 16px; border-radius: 10px; }
.button.danger { background: var(--red-light); color: var(--red); border: 1.5px solid var(--red); }
.button.wait { background: var(--amber-light); color: var(--amber); border: 1.5px solid #e8c94a; }
.voice-pulse {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 0 rgba(192,57,43,.4);
  animation: pulse 1.2s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(192,57,43,0); } 100% { box-shadow: 0 0 0 0 rgba(192,57,43,0); } }

/* ── Desktop clamp ─────────────────────────────────────────────── */
@media (min-width: 560px) {
  .app { box-shadow: 0 0 0 1px var(--line); min-height: 100svh; }
  .bottom-nav { box-shadow: none; border-top: 1px solid var(--line); }
}

/* ── Emergency button ──────────────────────────────────────────── */
.emergency-btn {
  width: 100%;
  padding: 18px 20px;
  background: #c0392b;
  color: #fff;
  border: none;
  border-radius: 14px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.5px;
  cursor: pointer;
  justify-content: center;
}
.emergency-btn:active { background: #a93226; transform: scale(0.98); }
.emergency-btn.busy { opacity: 0.7; }

/* ── Caregiver / Family dashboard ──────────────────────────────── */
.caregiver-header {
  border: 2px solid;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 4px;
}
.caregiver-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.caregiver-name { font-size: 20px; font-weight: 900; color: var(--ink); }
.caregiver-sub  { font-size: 13px; color: var(--muted); margin-top: 2px; }
.caregiver-meta { font-size: 12px; color: var(--muted); font-weight: 600; }
.caregiver-reasons { font-size: 12px; font-weight: 700; margin-top: 6px; }

.urgency-badge {
  color: #fff;
  padding: 5px 12px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  flex-shrink: 0;
}

.flag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.flag-card {
  border: 1.5px solid;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.flag-icon  { font-size: 22px; }
.flag-label { font-size: 13px; font-weight: 800; color: var(--ink); }
.flag-memory {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.flag-date  { font-size: 11px; color: var(--muted); font-weight: 700; margin-top: 2px; }

.suggestion-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}