:root {
  --blue: #2E75B6;
  --blue-dark: #1F3864;
  --blue-light: #EBF3FB;
  --green: #27AE60;
  --orange: #E67E22;
  --red: #C0392B;
  --yellow: #F39C12;
  --gray: #888;
  --border: #E0E0E0;
  --bg: #F4F6F9;
  --card: #FFFFFF;
  --text: #222;
  --text-light: #555;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

/* NAV */
.navbar {
  background: var(--blue-dark);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.nav-brand { font-weight: 700; font-size: 1.1rem; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a, .nav-links button {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  background: transparent;
}
.nav-links a.active, .nav-links a:hover { color: white; background: rgba(255,255,255,0.15); }
.btn-fitbit {
  background: rgba(0,180,120,0.3) !important;
  color: #7FFFCF !important;
  font-weight: 600;
}
.btn-fitbit:hover { background: rgba(0,180,120,0.5) !important; }

/* CONTAINER */
.container { max-width: 820px; margin: 0 auto; padding: 16px; }

.date-header {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 16px;
}

/* CARDS */
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--blue-light);
}

/* SLEEP GRID */
.sleep-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}
.sleep-stat {
  background: var(--blue-light);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
  border: 2px solid var(--blue);
}
.sleep-stat.good { border-color: var(--green); background: #EAFAF1; }
.sleep-stat.warn { border-color: var(--yellow); background: #FEF9E7; }
.sleep-stat.bad { border-color: var(--red); background: #FDEDEC; }
.stage-deep  { background: #f3e8ff; border-color: #7c3aed; }
.stage-rem   { background: #dcfce7; border-color: #16a34a; }
.stage-light { background: #dbeafe; border-color: #2563eb; }
.stage-awake { background: #fee2e2; border-color: #dc2626; }
.stat-val { display: block; font-size: 1.4rem; font-weight: 700; color: var(--blue-dark); }
.stat-val.val-warn { color: #d97706; }
.stat-val.val-bad  { color: #dc2626; }
.stat-label { display: block; font-size: 0.78rem; font-weight: 700; color: var(--blue-dark); margin-top: 2px; }
.sync-note { font-size: 0.78rem; color: var(--gray); margin-top: 8px; }
.date-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 52px;            /* sits flush under the 52px navbar */
  z-index: 90;          /* below navbar (100), above cards */
  background: var(--bg);
  margin: 0 0 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.date-nav-center { text-align: center; flex: 1; }
.date-nav-center .date-header { margin: 0; }
.date-arrow { font-size: 2rem; font-weight: 300; color: var(--blue); text-decoration: none; padding: 0 12px; line-height: 1; user-select: none; }
.date-arrow:hover { color: var(--blue-dark); }
.date-arrow-disabled { color: #ccc; pointer-events: none; }
.back-today { font-size: 0.8rem; color: var(--blue); text-decoration: none; display: inline-block; margin-top: 2px; }
.back-today:hover { text-decoration: underline; }
.sleep-chart-cell { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.sleep-chart-cell canvas { width: 80px !important; height: 80px !important; }

[data-tooltip] { position: relative; cursor: help; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue-dark);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.5;
  padding: 8px 12px;
  border-radius: 7px;
  width: 220px;
  white-space: normal;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
[data-tooltip]:hover::after { opacity: 1; }

/* SUPPLEMENTS */
.supplement-list { display: flex; flex-direction: column; gap: 8px; }
.supplement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all 0.15s;
}
.supplement-item.taken {
  background: #EAFAF1;
  border-color: var(--green);
}
.supp-checkbox {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: white;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}
.taken .supp-checkbox {
  background: var(--green);
  border-color: var(--green);
  color: white;
}
.supp-info { display: flex; flex-direction: column; flex: 1; }
.supp-name { font-size: 0.9rem; font-weight: 500; }
.supp-time { font-size: 0.78rem; color: var(--gray); }
.med-delete {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px 8px;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.15s, color 0.15s;
}
.med-delete:hover { opacity: 1; color: var(--red); }
.supp-notes { font-size: 0.74rem; color: var(--gray); font-style: italic; margin-top: 2px; }
.med-edit {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px 6px;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.15s, color 0.15s;
}
.med-edit:hover { opacity: 1; color: var(--blue); }
.supp-progress {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--gray);
  text-align: right;
}

/* FORMS */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}
input[type="number"], input[type="text"], textarea, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: white;
  color: var(--text);
  margin-top: 2px;
}
input[type="range"] { padding: 4px 0; }
.range-val {
  font-weight: 700;
  color: var(--blue);
  font-size: 1.1rem;
  text-align: center;
}
textarea { resize: vertical; min-height: 72px; }
.full-width { grid-column: 1 / -1; margin-bottom: 10px; }

/* BUTTONS */
.btn-primary {
  background: var(--blue);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-right: 8px;
}
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary {
  background: white;
  color: var(--blue);
  border: 1px solid var(--blue);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  margin-right: 8px;
  margin-bottom: 8px;
}
.btn-secondary:hover { background: var(--blue-light); }
.btn-link {
  background: none;
  border: none;
  color: var(--blue);
  cursor: pointer;
  font-size: inherit;
  text-decoration: underline;
  padding: 0;
}

/* EXERCISE */
.exercise-buttons { margin-bottom: 12px; margin-top: 4px; }
.exercise-logged {
  background: var(--blue-light);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  border-left: 4px solid var(--blue);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.ex-body { flex: 1; min-width: 0; }
.ex-actions { display: flex; gap: 2px; flex-shrink: 0; }
.ex-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--gray);
  padding: 2px 6px;
  border-radius: 4px;
}
.ex-btn:hover { background: rgba(0,0,0,0.06); color: var(--blue-dark); }

.manual-form {
  margin-top: 14px;
  padding: 14px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.manual-form h4 { margin-bottom: 12px; color: var(--blue-dark); }

.set-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
  align-items: end;
}
.set-row select, .set-row input { font-size: 0.85rem; padding: 6px 8px; }

/* ALERTS */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 500;
}
.alert-success { background: #EAFAF1; color: #1E8449; border: 1px solid #27AE60; }
.alert-error { background: #FDEDEC; color: var(--red); border: 1px solid var(--red); }

.empty-state { color: var(--gray); font-size: 0.9rem; padding: 8px 0; }

/* TOAST */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  z-index: 1000;
  animation: fadein 0.2s;
}
@keyframes fadein { from { opacity: 0; bottom: 0; } to { opacity: 1; bottom: 20px; } }

/* HISTORY */
.tab-bar { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
  background: white;
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-light);
}
.tab.active { background: var(--blue); color: white; border-color: var(--blue); }

.history-row {
  background: white;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.history-date {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--blue-dark);
  min-width: 70px;
  padding-top: 2px;
}
.history-data { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; flex: 1; }
.history-note { font-size: 0.8rem; color: var(--gray); font-style: italic; width: 100%; margin-top: 2px; }

.badge {
  background: var(--blue-light);
  color: var(--blue-dark);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}
.badge-good { background: #EAFAF1; color: #1E8449; }
.badge-warn { background: #FEF9E7; color: #9A7D0A; }
.badge-bad { background: #FDEDEC; color: var(--red); }
.badge-fitbit { background: #E8F8F5; color: #00B294; }

@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
  .sleep-grid { grid-template-columns: repeat(3, 1fr); }
  .set-row { grid-template-columns: 1fr 1fr; }
  .stat-val { font-size: 1.2rem; }
}

/* ── Nav user + logout ──────────────────────────────────────────── */
.nav-user { font-size: 0.82rem; color: var(--gray); margin-left: 8px; }
.btn-logout { font-size: 0.82rem; color: var(--blue); text-decoration: none; }
.btn-logout:hover { text-decoration: underline; }

/* ── Admin table ────────────────────────────────────────────────── */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.admin-table th { text-align: left; padding: 8px 10px; color: var(--gray); font-weight: 600; border-bottom: 2px solid var(--border); }
.admin-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.admin-table tr.row-inactive { opacity: 0.55; }
.admin-table select { padding: 4px 6px; border-radius: 6px; border: 1px solid var(--border); }
.inline-form { display: inline; margin: 0; }
.btn-danger { color: var(--red); }

/* ── Insights ───────────────────────────────────────────────────── */
.insight-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.insight-content {
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 0.92rem;
  color: var(--text);
}
#freshInsight {
  margin-top: 14px;
  padding: 14px;
  background: var(--blue-light);
  border-radius: 8px;
}

.deep-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
}
.deep-toggle input { width: auto; margin: 0; }
.deep-hint { color: var(--gray); font-weight: 400; }

/* ── Journal / Events ───────────────────────────────────────────── */
.event-add { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.event-add input[type="text"] { flex: 1 1 180px; margin: 0; }
.event-add select, .event-add input[type="time"] { width: auto; margin: 0; }
.event-add button { flex-shrink: 0; }
.event-list { display: flex; flex-direction: column; gap: 6px; }
.event-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.event-time { font-size: 0.8rem; font-weight: 700; color: var(--blue-dark); flex-shrink: 0; min-width: 68px; }
.event-cat {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.cat-symptom  { background: #fee2e2; color: #b91c1c; }
.cat-food     { background: #fef3c7; color: #b45309; }
.cat-activity { background: #dbeafe; color: #1d4ed8; }
.cat-note     { background: #e5e7eb; color: #374151; }
.cat-other    { background: #ede9fe; color: #6d28d9; }
.event-text { flex: 1; font-size: 0.9rem; }

/* ── History sticky header + range filter ───────────────────────── */
.history-sticky {
  position: sticky;
  top: 52px;            /* flush under the navbar */
  z-index: 90;
  background: var(--bg);
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 0 12px;
}
.history-header .date-header { margin: 0; }
.history-sticky .tab-bar { margin-bottom: 0; }
.range-buttons { display: flex; gap: 6px; }
.range-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--blue);
  color: var(--blue);
  text-decoration: none;
}
.range-btn:hover { background: var(--blue-light); }
.range-btn.active { background: var(--blue); color: #fff; }
.range-btn.active:hover { background: var(--blue-dark); }

/* ── Dashboard sticky header (date-nav + tabs) ──────────────────── */
.dash-sticky {
  position: sticky;
  top: 52px;            /* flush under the navbar */
  z-index: 90;
  background: var(--bg);
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.dash-sticky .date-nav {
  position: static;      /* the wrapper provides the stickiness */
  margin: 0;
  border-bottom: none;
  padding: 8px 0 10px;
}
.dash-sticky .tab-bar { margin-bottom: 0; }

.set-line { font-size: 0.85rem; color: var(--text-light); margin: 2px 0 0 14px; }

/* ── Profile: token legend + context meta ───────────────────────── */
.token-legend { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.token-legend code {
  background: var(--blue-light);
  color: var(--blue-dark);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 0.78rem;
  cursor: pointer;
}
.token-legend code:hover { background: var(--blue); color: #fff; }
.ctx-meta { font-size: 0.78rem; color: var(--gray); margin: 6px 0 12px; }

.ctx-status { font-size: 0.78rem; color: var(--gray); margin: 0 0 8px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.ctx-status a { color: var(--blue); }

/* Collapsible cards (Intake: Supplements / Medications) */
.card-title.collapsible { cursor: pointer; display: flex; align-items: center; gap: 10px; user-select: none; }
.card-title.collapsible .card-title-text { flex: none; }
.card-title.collapsible .card-count {
  margin-left: auto; font-size: 0.78rem; font-weight: 600; color: var(--gray);
  background: var(--blue-light); padding: 2px 9px; border-radius: 11px;
}
.card-title.collapsible .chevron { font-size: 0.8rem; color: var(--gray); transition: transform 0.15s ease; }
.card.collapsed .card-title.collapsible { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.card.collapsed .chevron { transform: rotate(-90deg); }
.card.collapsed .collapse-body { display: none; }
.sched-toggle { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--gray); margin-bottom: 10px; cursor: pointer; font-weight: 500; }
.sched-toggle input { width: auto; margin: 0; }
.goals-subhead { font-size: 0.85rem; font-weight: 700; color: var(--blue-dark); margin: 16px 0 8px; }
.macro-mode { display: flex; gap: 16px; margin: 10px 0; font-size: 0.85rem; }
.macro-mode label { flex-direction: row; align-items: center; gap: 5px; font-weight: 500; }
.macro-mode input { width: auto; margin: 0; }
.macro-g { font-size: 0.78rem; color: var(--blue); font-weight: 600; }