:root {
  --color-bg: #fafafa;
  --color-text: #222;
  --color-primary: #6fa8dc;
  --color-primary-dark: #4c86ba;
  --color-danger: #e05a4e;
  --color-card: #ffffff;
  --color-border: #e2e2e2;

  /* --- Design tokens: spacing/radius/type scale, shared across every
     component so the app reads as one cohesive system instead of ad hoc
     per-component values. --- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.85rem;
  --font-size-base: 1rem;
  --font-size-md: 1.05rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.4rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #17191c;
    --color-text: #eee;
    --color-card: #23262b;
    --color-border: #33363b;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  /* Never allow pinch-zoom to be blocked; instead we keep every input at
     >=16px so iOS Safari has no reason to auto-zoom on focus. */
  touch-action: manipulation;
  width: 100%;
  overflow-x: hidden;
}

.app-root {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-4);
  padding-bottom: var(--space-6);
  min-height: 100vh;
}

h1 {
  font-size: var(--font-size-xl);
}
h2 {
  font-size: var(--font-size-lg);
}

/* --- Buttons: minimum 44px touch target, no double-tap zoom delay --- */
button {
  touch-action: manipulation;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: opacity 0.1s ease;
}
/* Shared tap/press feedback -- the same opacity dip already used on the
   wheel wedges, applied to every button so the whole app feels consistent. */
button:active {
  opacity: 0.75;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary-dark);
  font-weight: 600;
  width: 100%;
  margin-top: var(--space-3);
}

.btn-secondary {
  width: 100%;
  margin-top: var(--space-2);
}

.btn-delete {
  color: var(--color-danger);
  border-color: var(--color-danger);
  margin-top: var(--space-2);
}

/* --- Icon + label pairing, used anywhere a button/heading gets a glyph --- */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.layer-card h3.icon-label,
.mode-card strong.icon-label {
  gap: var(--space-2);
}

/* --- Inputs: >=16px font-size prevents iOS Safari auto-zoom on focus --- */
input,
textarea,
select {
  font-size: 16px;
  width: 100%;
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  min-height: 44px;
}

textarea {
  min-height: 4.5rem;
  resize: vertical;
}

/* --- Emotion wheel --- */
.emotion-wheel {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 1rem auto;
}

.wheel-wedge {
  cursor: pointer;
}
.wheel-wedge path {
  transition: opacity 0.15s ease;
}
.wheel-wedge:active path {
  opacity: 0.75;
}

.wheel-label {
  font-size: 13px;
  fill: white;
  font-weight: 600;
  pointer-events: none;
}

/* --- Plain-language legend under the wheel: what each core emotion
   generally feels like, since the six names alone aren't always enough
   to decide between neighbors like "Wütend" and "Ängstlich". --- */
.core-legend {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.core-legend-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.core-legend-summary {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  padding-left: calc(16px + var(--space-2));
}

/* --- Drill-down leaf list --- */
.leaf-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
}
.leaf-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.leaf-row-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.leaf-row-description {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}
.leaf-word-button {
  width: 100%;
  font-weight: 600;
  text-align: left;
}

/* --- Intensity slider --- */
.intensity-slider {
  margin: 1rem 0;
}
.intensity-word {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}
.intensity-range {
  width: 100%;
  min-height: 44px;
}
.intensity-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  opacity: 0.7;
  margin-top: 0.25rem;
}

/* --- Four-layer cards --- */
.four-layers {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1rem 0;
}
.layer-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.layer-card h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.chip {
  min-height: 36px;
  padding: 0.4rem 0.7rem;
  font-size: var(--font-size-sm);
  border-radius: 999px;
  background: var(--color-bg);
}

/* --- Diary --- */
.diary-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-logo {
  flex-shrink: 0;
  border-radius: 22%;
}
.brand h1 {
  margin: 0;
}
.export-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.export-row button {
  flex: 1;
  justify-content: center;
}
.entry-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.entry-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.entry-time {
  font-size: 0.8rem;
  opacity: 0.6;
}
.entry-primary {
  font-weight: 600;
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.entry-secondary {
  font-size: 0.85rem;
  opacity: 0.7;
}
.entry-trigger {
  font-size: 0.85rem;
  margin-top: 0.35rem;
}
.entry-notes {
  list-style: none;
  padding: 0;
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  opacity: 0.7;
}
.entry-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.entry-actions button {
  flex: 1;
}
.empty-state {
  opacity: 0.7;
  text-align: center;
  margin-top: 2rem;
}

.review-list {
  padding-left: 1.2rem;
}
.review-item {
  margin-bottom: var(--space-3);
}
.review-item-header {
  justify-content: space-between;
}
.review-item-text {
  flex: 1;
}
.review-item-notes {
  list-style: none;
  padding-left: calc(16px + var(--space-2));
  margin: var(--space-1) 0 0;
  font-size: var(--font-size-sm);
  opacity: 0.75;
}
.btn-delete-small {
  min-height: 32px;
  min-width: 32px;
  padding: var(--space-1);
  color: var(--color-danger);
  border-color: var(--color-danger);
}

/* --- Export dialog: a single "Exportieren" button prompts for date range
   and format together, rather than exposing separate CSV/PDF buttons and an
   always-visible range panel. --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}
.modal-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-card h2 {
  margin-top: 0;
}
.export-range {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3);
  margin: var(--space-3) 0;
}
.export-range-field {
  display: flex;
  flex-direction: column;
  font-size: var(--font-size-sm);
  gap: var(--space-1);
  flex: 1;
  min-width: 130px;
}
.format-choice {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-4) 0;
  padding: 0;
  border: none;
}
.format-choice legend {
  width: 100%;
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-bottom: var(--space-2);
  padding: 0;
}
.format-choice label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.format-choice input {
  width: auto;
  min-height: auto;
}
.modal-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.modal-actions button {
  flex: 1;
  width: auto;
  margin-top: 0;
}

/* --- Stats view: simple hand-rolled bar charts, no chart library --- */
.stats-section {
  margin-bottom: var(--space-5);
}
.bar-chart-h {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.bar-label {
  flex: 0 0 auto;
  min-width: 110px;
  font-size: var(--font-size-sm);
}
.bar-track {
  flex: 1;
  height: 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
}
.bar-count {
  flex: 0 0 auto;
  font-size: var(--font-size-sm);
  opacity: 0.7;
  min-width: 1.5rem;
  text-align: right;
}
.bar-chart-v {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 140px;
}
.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}
.bar-col-track {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
}
.bar-col-fill {
  width: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 2px;
}
.bar-col-count {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  margin-top: var(--space-1);
}
.bar-col-label {
  font-size: var(--font-size-xs);
  opacity: 0.6;
  text-align: center;
}

/* --- Mode chooser (wheel-first vs. symptom-first entry) --- */
.mode-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  text-align: left;
  padding: var(--space-4);
  min-height: 64px;
  margin-top: var(--space-3);
}
.mode-card strong {
  font-size: var(--font-size-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.mode-card span {
  opacity: 0.75;
  font-size: var(--font-size-sm);
  font-weight: normal;
}

/* --- Symptom picker (free text + pooled chips) --- */
.symptom-picker .layer-card {
  margin-bottom: 1rem;
}
.chip.selected {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary-dark);
}

/* --- Recommendations --- */
.recommend-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
}
.recommend-button {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
  width: 100%;
  height: auto;
  text-align: left;
  padding: var(--space-3);
}
.recommend-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.recommend-core {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.recommend-score {
  opacity: 0.6;
  font-size: 0.85rem;
}
.recommend-description {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  padding-left: calc(18px + var(--space-2));
}