:root {
  --bg: #0a0b10;
  --surface: #12131c;
  --elevated: #1a1b26;
  --hover: #22233a;
  --accent: #6366f1;
  --accent-dim: rgba(99, 102, 241, 0.12);
  --text-1: #f0f2f5;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --border: rgba(255, 255, 255, 0.06);
  --r: 14px;
  --r-sm: 10px;
  --clr-bloat: #a855f7;
  --clr-stool: #818cf8;
  --clr-wake: #f59e0b;
  --clr-sleep: #38bdf8;
  --clr-meal: #10b981;
  --clr-energy: #facc15;
  --clr-coffee: #d97706;
  --sev-none: #64748b;
  --sev-mild: #10b981;
  --sev-mod: #f59e0b;
  --sev-sev: #ef4444;
  --sev-ext: #dc2626;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent
}

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: 'Inter', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-top: env(safe-area-inset-top);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========== BOTTOM BAR ========== */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(18, 19, 28, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  z-index: 100;
}

.bar-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--text-3);
  font-size: .65rem;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
  transition: color .2s;
}

.bar-tab.active {
  color: var(--accent)
}

.bar-icon {
  width: 22px;
  height: 22px
}

/* ========== TAB VIEWS ========== */
.tab-view {
  display: none;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px
}

.tab-view.active {
  display: block
}

/* ========== RECORD TAB ========== */
.record-header {
  padding: 20px 0 12px;
  text-align: center
}

.record-header h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.03em
}

.record-sub {
  color: var(--text-3);
  font-size: .82rem;
  margin-top: 4px
}

.type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 8px 0 24px;
}

.type-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all .15s;
  color: var(--text-1);
}

.type-card:active {
  transform: scale(.94);
  background: var(--hover)
}

.type-card.selected {
  border-color: var(--accent);
  background: var(--accent-dim)
}

.type-emoji {
  font-size: 2rem
}

.type-name {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-2)
}

/* ========== INLINE FLOW ========== */
.flow-container {
  padding: 0 0 24px
}

.flow-selected {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: var(--r);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-weight: 700;
  font-size: .95rem;
  animation: fadeSlide .25s ease-out;
}

.flow-reset {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
}

.flow-step {
  margin-bottom: 16px;
  animation: fadeSlide .3s ease-out;
}

.flow-step-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

.optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0
}

/* Severity options */
.sev-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px
}

.sev-opt {
  flex: 1;
  min-width: calc(50% - 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 12px;
  text-align: center;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-2);
  transition: all .15s;
}

.sev-opt:active {
  transform: scale(.96)
}

.sev-opt.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--text-1)
}

.sev-opt[data-color="none"].selected {
  border-color: var(--sev-none);
  background: rgba(100, 116, 139, .1)
}

.sev-opt[data-color="mild"].selected {
  border-color: var(--sev-mild);
  background: rgba(16, 185, 129, .1);
  color: var(--sev-mild)
}

.sev-opt[data-color="moderate"].selected {
  border-color: var(--sev-mod);
  background: rgba(245, 158, 11, .1);
  color: var(--sev-mod)
}

.sev-opt[data-color="severe"].selected {
  border-color: var(--sev-sev);
  background: rgba(239, 68, 68, .1);
  color: var(--sev-sev)
}

.sev-opt[data-color="extreme"].selected {
  border-color: var(--sev-ext);
  background: rgba(220, 38, 38, .1);
  color: var(--sev-ext)
}

/* Stool shape options — single column for better readability */
.sev-options.stool-list {
  flex-direction: column;
  gap: 6px
}

.sev-options.stool-list .sev-opt {
  min-width: 100%;
  padding: 12px 16px;
  text-align: left
}

/* Coffee temperature toggle */
.coffee-temp-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.coffee-temp-btn {
  flex: 1;
  padding: 14px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}

.coffee-temp-btn:active {
  transform: scale(.96)
}

.coffee-temp-btn.selected {
  border-color: var(--clr-coffee);
  background: rgba(217, 119, 6, .12);
  color: var(--clr-coffee);
}

.coffee-drinks {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Notes */
.input-notes {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1);
  font-size: .88rem;
  font-family: 'Inter', sans-serif;
  padding: 12px;
  outline: none;
  resize: none;
}

.input-notes:focus {
  border-color: var(--accent)
}

/* Datetime */
.dt-row {
  display: flex;
  gap: 10px;
  margin-bottom: 8px
}

.dt-input {
  flex: 1;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1);
  font-size: .88rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  -webkit-appearance: none;
}

.dt-input:focus {
  border-color: var(--accent)
}

.now-chip {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, .3);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
}

/* Submit */
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}

.submit-btn:active {
  background: #4f46e5;
  transform: scale(.98)
}

.submit-btn:disabled {
  opacity: .5;
  cursor: default
}

.flow-status {
  text-align: center;
  color: var(--sev-mild);
  font-weight: 600;
  font-size: .9rem;
  padding: 12px;
  animation: fadeSlide .3s ease-out;
}

/* ========== TIMELINE TAB ========== */
.tl-header {
  padding: 20px 0 8px
}

.tl-header h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.03em
}

.filter-pills {
  display: flex;
  gap: 6px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none
}

.filter-pills::-webkit-scrollbar {
  display: none
}

.pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
}

.pill.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600
}

/* Day groups */
.day-group {
  margin-top: 4px
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 6px;
}

.day-label {
  font-size: .92rem;
  font-weight: 700
}

.day-count {
  font-size: .78rem;
  color: var(--text-3);
  margin-left: 6px
}

.day-icons {
  display: flex;
  gap: 4px
}

.day-icon-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--elevated);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: .68rem;
  color: var(--text-2);
}

/* Event card */
.ev-card {
  padding: 12px 14px;
  background: var(--surface);
  border-radius: var(--r-sm);
  margin-bottom: 4px;
  border-left: 3px solid var(--border);
  transition: background .2s;
}

.ev-card[data-type="bloat"] {
  border-left-color: var(--clr-bloat)
}

.ev-card[data-type="stool_shape"] {
  border-left-color: var(--clr-stool)
}

.ev-card[data-type="wake_quality"] {
  border-left-color: var(--clr-wake)
}

.ev-card[data-type="sleep_time"] {
  border-left-color: var(--clr-sleep)
}

.ev-card[data-type="meal_time"] {
  border-left-color: var(--clr-meal)
}

.ev-card[data-type="energy"] {
  border-left-color: var(--clr-energy)
}

.ev-card[data-type="coffee"] {
  border-left-color: var(--clr-coffee)
}

.ev-top {
  display: flex;
  align-items: center;
  gap: 8px
}

.ev-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  flex-shrink: 0;
  background: rgba(255, 255, 255, .04);
}

.ev-type {
  font-weight: 700;
  font-size: .85rem
}

.ev-time {
  margin-left: auto;
  font-size: .78rem;
  color: var(--text-3)
}

.ev-mid {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 5px 0 0 34px
}

.val-badge {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 600;
}

.sev-dots {
  display: flex;
  gap: 3px;
  align-items: center
}

.sev-lbl {
  font-size: .75rem;
  color: var(--text-2);
  margin-right: 3px
}

.sev-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hover)
}

.sev-dot.f1 {
  background: var(--sev-mild)
}

.sev-dot.f2 {
  background: var(--sev-mod)
}

.sev-dot.f3 {
  background: var(--sev-sev)
}

.sev-dot.f4 {
  background: var(--sev-ext)
}

.ev-notes {
  margin: 5px 0 0 34px;
  font-size: .82rem;
  color: var(--text-2);
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.note-edit {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: .75rem;
  padding: 2px;
  opacity: .5;
  transition: opacity .2s;
  flex-shrink: 0;
}

.note-edit:hover {
  opacity: 1
}

/* ========== PATTERNS TAB ========== */
.patterns-sub {
  padding: 4px 0 12px;
  font-size: .82rem;
  color: var(--text-3)
}

.patterns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px
}

.pat-card {
  background: var(--surface);
  border-radius: var(--r);
  padding: 16px;
  border: 1px solid var(--border);
}

.pat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px
}

.pat-type {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: .88rem
}

.pat-count {
  font-size: .72rem;
  color: var(--text-3)
}

.pat-metric-lbl {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-3);
  margin-bottom: 2px
}

.pat-metric-val {
  font-size: 1.4rem;
  font-weight: 800
}

.pat-metric-desc {
  font-size: .78rem;
  color: var(--text-2)
}

.pat-bar-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px
}

.pat-bar-lbl {
  font-size: .72rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 6px;
  border-radius: 4px;
  min-width: 50px
}

.pat-bar-track {
  flex: 1;
  height: 5px;
  background: var(--hover);
  border-radius: 3px;
  overflow: hidden
}

.pat-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width .4s ease
}

.pat-bar-cnt {
  font-size: .72rem;
  color: var(--text-3);
  min-width: 14px;
  text-align: right
}

.pat-no-data {
  color: var(--text-3);
  font-size: .82rem
}

/* ========== OVERLAY ========== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.overlay-sheet {
  background: var(--elevated);
  width: 100%;
  max-width: 480px;
  border-radius: 20px 20px 0 0;
  padding: 24px 20px calc(20px + env(safe-area-inset-bottom));
  animation: slideUp .25s ease-out;
}

.overlay-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center
}

.overlay-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 12px
}

.btn-flat {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-size: .82rem;
  cursor: pointer
}

.btn-primary-sm {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--r-sm);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer
}

/* ========== UTILITIES ========== */
.hidden {
  display: none !important
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(10px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%)
  }

  to {
    transform: translateY(0)
  }
}