/* Kanelu web funnel. Tokens mirror shared/design/tokens.json. Logical properties for RTL. */

:root {
  --background: #fbf7f2;
  --surface: #ffffff;
  --surface-alt: #f3ece3;
  --primary: #b5562f;
  --on-primary: #ffffff;
  --primary-container: #f6dfd3;
  --on-primary-container: #4a1c0a;
  --secondary: #5e7f64;
  --on-secondary: #ffffff;
  --secondary-container: #dceadd;
  --text: #2a2420;
  --text-muted: #6e645c;
  --outline: #ddd3c8;
  --success: #3f7d4f;
  --warning: #b7791f;
  --error: #b3261e;
  --chart-forecast: #b5562f;
  --chart-band: #f6dfd3;
  --focus: #5e7f64;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  --type-display: 2rem;
  --type-title: 1.5rem;
  --type-headline: 1.25rem;
  --type-body: 1rem;
  --type-label: 0.875rem;
  --type-caption: 0.8125rem;

  --touch: 48px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue",
    Arial, "Noto Sans Arabic", "Noto Sans Devanagari", "Noto Sans JP", "Noto Sans KR", sans-serif;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #1a1614;
    --surface: #24201d;
    --surface-alt: #2e2925;
    --primary: #f0a07a;
    --on-primary: #3a1406;
    --primary-container: #6e3218;
    --on-primary-container: #ffe3d6;
    --secondary: #a6c7aa;
    --on-secondary: #173420;
    --secondary-container: #36503b;
    --text: #f2ece6;
    --text-muted: #b5aaa0;
    --outline: #4a423c;
    --success: #8cc59a;
    --warning: #e9b45c;
    --error: #f2b8b5;
    --chart-forecast: #f0a07a;
    --chart-band: #4a2a1c;
    --focus: #a6c7aa;
  }
}

:lang(ar) {
  --font: "SF Arabic", "Geeza Pro", "Noto Sans Arabic", "Noto Naskh Arabic", Tahoma, system-ui, sans-serif;
}
:lang(hi) {
  --font: "Kohinoor Devanagari", "Noto Sans Devanagari", "Nirmala UI", "Mangal", system-ui, sans-serif;
}
:lang(ja) {
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
}
:lang(ko) {
  --font: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--type-body);
  line-height: 1.5;
}

.page {
  max-inline-size: 560px;
  margin-inline: auto;
  padding-inline: var(--space-md);
  padding-block: var(--space-md) var(--space-xl);
  min-block-size: 100vh;
  display: flex;
  flex-direction: column;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

h1:focus,
main:focus {
  outline: none;
}

a {
  color: var(--primary);
  text-underline-offset: 2px;
}

/* header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-block-size: var(--touch);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--type-headline);
  letter-spacing: 0.01em;
  color: var(--primary);
}

.brand-mark {
  inline-size: 22px;
  block-size: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--primary) 0 55%, var(--secondary) 55% 100%);
}

.lang-select {
  min-block-size: 40px;
  padding-inline: var(--space-sm) var(--space-lg);
  border: 1px solid var(--outline);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--type-label);
}

/* progress */
.progress {
  margin-block: var(--space-md) 0;
}

.progress[hidden] {
  display: none;
}

.progress-label {
  margin: 0 0 var(--space-xs);
  font-size: var(--type-label);
  color: var(--text-muted);
}

.progress-bars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xs);
}

.progress-seg,
.loader-bar {
  appearance: none;
  -webkit-appearance: none;
  inline-size: 100%;
  block-size: 6px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--surface-alt);
  overflow: hidden;
  color: var(--primary);
}

.progress-seg::-webkit-progress-bar,
.loader-bar::-webkit-progress-bar {
  background: var(--surface-alt);
  border-radius: var(--radius-pill);
}

.progress-seg::-webkit-progress-value,
.loader-bar::-webkit-progress-value {
  background: var(--primary);
  border-radius: var(--radius-pill);
  transition: inline-size 0.4s ease;
}

.progress-seg::-moz-progress-bar,
.loader-bar::-moz-progress-bar {
  background: var(--primary);
  border-radius: var(--radius-pill);
}

/* main screen */
.main {
  flex: 1;
  padding-block: var(--space-md);
}

.loading {
  color: var(--text-muted);
}

.screen {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  animation: screen-in 0.25s ease-out;
}

@keyframes screen-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.screen-top {
  min-block-size: var(--touch);
  display: flex;
  align-items: center;
}

.screen h1 {
  margin: 0;
  font-size: var(--type-title);
  line-height: 1.25;
  font-weight: 700;
}

.screen h2 {
  margin: 0;
  font-size: var(--type-headline);
  line-height: 1.3;
}

.subtitle,
.hint {
  margin: 0;
  color: var(--text-muted);
}

.hint {
  font-size: var(--type-label);
}

.body {
  margin: 0;
}

.welcome-headline {
  margin: 0;
  font-size: var(--type-label);
  font-weight: 600;
  color: var(--text-muted);
}

.source {
  margin: 0;
  font-size: var(--type-label);
  color: var(--text-muted);
}

.error {
  margin: 0;
  color: var(--error);
  font-weight: 600;
}

.error[hidden] {
  display: none;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-block-size: var(--touch);
  padding-inline: var(--space-lg);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
}

.btn[hidden] {
  display: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}

.btn-primary:hover {
  filter: brightness(0.95);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--outline);
}

.btn-store {
  background: var(--text);
  color: var(--background);
  flex: 1 1 200px;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-block-start: var(--space-sm);
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-block-size: var(--touch);
  min-inline-size: var(--touch);
  padding-inline: var(--space-sm);
  margin-inline-start: calc(-1 * var(--space-sm));
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  cursor: pointer;
}

.back-button:disabled {
  visibility: hidden;
}

[dir="rtl"] .back-arrow {
  display: inline-block;
  transform: scaleX(-1);
}

.link-button {
  min-block-size: var(--touch);
  padding: 0;
  border: 0;
  background: none;
  color: var(--primary);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

/* options (native radios / checkboxes inside labels) */
.options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.option {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-block-size: 56px;
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--outline);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
}

.option:hover {
  border-color: var(--secondary);
}

.option-input {
  flex: none;
  inline-size: 22px;
  block-size: 22px;
  margin: 0;
  accent-color: var(--primary);
}

.option:has(.option-input:checked) {
  border-color: var(--primary);
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.option:has(.option-input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.option-input:focus-visible {
  outline: none;
}

/* number inputs */
.measure {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.number-row {
  display: flex;
  gap: var(--space-md);
}

.number-field {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding-inline: var(--space-md);
  border: 1.5px solid var(--outline);
  border-radius: var(--radius-md);
  background: var(--surface);
  flex: 1;
}

.number-field:focus-within {
  border-color: var(--primary);
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.number-input {
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 64px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: var(--type-display);
  font-weight: 600;
}

.number-input:focus-visible {
  outline: none;
}

.number-input[aria-invalid="true"] {
  color: var(--error);
}

.number-unit {
  color: var(--text-muted);
  font-size: var(--type-headline);
}

.unit-toggle {
  display: inline-flex;
  align-self: flex-start;
  padding: var(--space-xs);
  border-radius: var(--radius-pill);
  background: var(--surface-alt);
}

.unit-option {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 40px;
  min-inline-size: 64px;
  padding-inline: var(--space-md);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-weight: 600;
  color: var(--text-muted);
}

.unit-input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}

.unit-option:has(.unit-input:checked) {
  background: var(--surface);
  color: var(--text);
}

.unit-option:has(.unit-input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}

/* date */
.date-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.field-label {
  font-size: var(--type-label);
  color: var(--text-muted);
}

.date-input {
  min-block-size: var(--touch);
  padding-inline: var(--space-md);
  border: 1.5px solid var(--outline);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

/* consent switch */
.switch {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-block-size: 56px;
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--outline);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
}

.switch-input {
  position: absolute;
  opacity: 0;
  inline-size: 52px;
  block-size: 32px;
  margin: 0;
  cursor: pointer;
}

.switch-track {
  flex: none;
  position: relative;
  inline-size: 52px;
  block-size: 32px;
  border-radius: var(--radius-pill);
  background: var(--outline);
  transition: background 0.2s ease;
}

.switch-thumb {
  position: absolute;
  inset-block-start: 4px;
  inset-inline-start: 4px;
  inline-size: 24px;
  block-size: 24px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 2px rgb(0 0 0 / 25%);
  transition: inset-inline-start 0.2s ease;
}

.switch-input:checked + .switch-track {
  background: var(--secondary);
}

.switch-input:checked + .switch-track .switch-thumb {
  inset-inline-start: 24px;
}

.switch:has(.switch-input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* cards */
.card,
.info-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--secondary-container);
  color: var(--text);
}

.card p,
.info-card p {
  margin: 0;
}

.card-title {
  font-size: var(--type-headline);
}

.card-warn {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.card-care {
  background: var(--surface-alt);
  border-inline-start: 4px solid var(--secondary);
}

.feedback-slot:empty {
  display: none;
}

/* loader */
.loader-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.loader-step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
}

.loader-mark {
  flex: none;
  inline-size: 22px;
  block-size: 22px;
  border-radius: 50%;
  border: 2px solid var(--outline);
}

.loader-step.is-active {
  color: var(--text);
}

.loader-step.is-active .loader-mark {
  border-color: var(--primary);
  border-block-start-color: transparent;
  animation: spin 0.9s linear infinite;
}

.loader-step.is-done {
  color: var(--text);
}

.loader-step.is-done .loader-mark {
  border-color: var(--secondary);
  background: var(--secondary);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* result */
.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.stat {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--outline);
}

.stat p {
  margin: 0;
}

.stat-label {
  font-size: var(--type-label);
  color: var(--text-muted);
}

.stat-value {
  font-size: var(--type-title);
  font-weight: 700;
}

.stat-unit {
  font-size: var(--type-body);
  font-weight: 400;
  color: var(--text-muted);
}

.stat-text {
  font-size: var(--type-headline);
  font-weight: 600;
}

.macros {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin: var(--space-sm) 0 0;
}

.macro {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--surface-alt);
}

.macro dt {
  font-size: var(--type-label);
  color: var(--text-muted);
}

.macro dd {
  margin: 0;
  font-weight: 700;
  font-size: var(--type-headline);
}

.forecast {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.chart-figure {
  margin: 0;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--outline);
}

.chart {
  display: block;
  inline-size: 100%;
  block-size: auto;
  direction: ltr;
}

.chart-band {
  fill: var(--chart-band);
  opacity: 0.85;
}

.chart-line {
  fill: none;
  stroke: var(--chart-forecast);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-dot {
  fill: var(--chart-forecast);
}

.chart-grid {
  stroke: var(--outline);
  stroke-width: 1;
}

.chart-grid-soft {
  stroke-dasharray: 2 4;
}

.chart-label,
.chart-axis {
  fill: var(--text-muted);
  font-family: var(--font);
  font-size: 11px;
}

.chart-axis {
  font-size: 10px;
}

.chart-marker-line {
  stroke: var(--secondary);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.chart-marker-dot {
  fill: var(--surface);
  stroke: var(--secondary);
  stroke-width: 3;
}

.chart-marker-label {
  fill: var(--text);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
}

.chart-caption {
  margin-block-start: var(--space-sm);
  font-size: var(--type-caption);
  color: var(--text-muted);
}

.get-app {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.get-app p {
  margin: 0;
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-start: var(--space-sm);
}

/* footer */
.site-footer {
  border-block-start: 1px solid var(--outline);
  padding-block-start: var(--space-md);
  font-size: var(--type-label);
  color: var(--text-muted);
}

.footer-note {
  margin: 0 0 var(--space-sm);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-lg);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--touch);
}

@media (min-width: 480px) {
  .actions {
    flex-direction: row-reverse;
    justify-content: flex-start;
  }
  .actions .btn {
    min-inline-size: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .loader-step.is-active .loader-mark {
    animation: none;
    border-block-start-color: var(--primary);
  }
}