:root {
  color-scheme: light;
  --page-background: #f4f5f3;
  --surface: #ffffff;
  --text-primary: #172522;
  --text-secondary: #586661;
  --text-tertiary: #68746f;
  --border: #e5eae7;
  --accent: #244c43;
  --accent-current: #238276;
  --segment-empty: #e5ebe8;
  --focus-ring: rgba(22, 128, 120, 0.22);

  --radius-large: 18px;
  --radius-medium: 12px;
  --radius-small: 5px;

  --content-width: 720px;
  --page-padding: 20px;
  --section-gap: 28px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page-background);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-primary);
  background: var(--page-background);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 28px var(--page-padding) 40px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #547268;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 6vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.intro {
  margin: 9px 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.now-button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid #d8e2dc;
  border-radius: 999px;
  color: var(--text-primary);
  background: #eaf1ed;
  font-size: 0.88rem;
  font-weight: 650;
  cursor: pointer;
  box-shadow: none;
}

.now-button:hover {
  border-color: #c8cdd3;
}

.now-button:active {
  transform: translateY(1px);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.78);
}

.control-group {
  display: grid;
  min-width: 0;
  gap: 6px;
}

.control-group label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 650;
}

.control-group input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  color: var(--text-primary);
  background: #fafbfc;
  outline: none;
}

.control-group input:focus-visible {
  border-color: #9299a2;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.selection-context {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0 2px;
}

.timezone,
.selected-moment,
.view-mode {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.72rem;
}

.selected-moment {
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 620;
  font-variant-numeric: tabular-nums;
}

.view-mode { font-weight: 650; }
.view-mode--live { color: #176e53; }

.progress-hint {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 25px 3px 12px;
  color: var(--text-secondary);
  font-size: 0.74rem;
  line-height: 1.5;
}

.hint-mark { color: var(--accent-current); font-size: 0.55rem; }

.progress-dashboard {
  display: grid;
  gap: 0;
  margin-top: 0;
  padding: 5px 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  background: var(--surface);
  box-shadow: 0 8px 28px rgba(28, 48, 40, 0.035);
}

.progress-section {
  min-width: 0;
  padding: 21px 0 22px;
}

.progress-section + .progress-section {
  border-top: 1px solid var(--border);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 13px;
}

.section-heading h2 {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.77rem;
  font-weight: 720;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.percentage {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  font-weight: 700;
}

.segments {
  display: grid;
  grid-template-columns: repeat(var(--segment-columns), minmax(0, 1fr));
  gap: 6px;
  width: 100%;
}

.segments--wrapped {
  row-gap: 7px;
}

.segment {
  position: relative;
  min-width: 0;
  height: 14px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--segment-empty);
}

.segment__fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.segment--current .segment__fill {
  background: var(--accent-current);
}

.segment--current {
  box-shadow: inset 0 0 0 1px var(--accent-current);
}

.segment--completed .segment__fill {
  width: 100%;
}

.fraction {
  margin: 11px 0 0;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 600px) {
  :root {
    --page-padding: 28px;
  }

  .app-shell {
    padding-top: 44px;
  }

  .controls {
    padding: 18px;
  }

  .progress-dashboard {
    padding-right: 26px;
    padding-left: 26px;
  }

  .segment {
    height: 15px;
  }
}

@media (max-width: 599px) {
  :root {
    --page-padding: 16px;
  }

  .app-shell {
    padding-top: 20px;
    padding-bottom: 24px;
  }

  .app-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px 12px;
    margin-bottom: 18px;
  }

  .app-header > div {
    min-width: 0;
  }

  .eyebrow {
    margin-bottom: 5px;
    font-size: 0.62rem;
  }

  h1 {
    max-width: 18ch;
    font-size: clamp(1.45rem, 5.8vw, 2rem);
  }

  .intro {
    max-width: 32ch;
    margin-top: 6px;
    font-size: 0.82rem;
  }

  .now-button {
    min-height: 42px;
    margin-top: 1px;
    padding: 0 12px;
    font-size: 0.8rem;
  }

  .controls {
    gap: 10px 12px;
    padding: 14px;
    border-radius: 15px;
  }

  .control-group input {
    padding-right: 6px;
    padding-left: 8px;
  }

  .selection-context {
    gap: 5px 8px;
  }

  .selected-moment {
    font-size: 0.76rem;
  }

  .progress-hint {
    margin: 15px 2px 8px;
    font-size: 0.69rem;
    line-height: 1.4;
  }

  .progress-dashboard {
    padding: 2px 16px;
    border-radius: 15px;
    box-shadow: 0 4px 18px rgba(28, 48, 40, 0.03);
  }

  .progress-section {
    padding: 13px 0 14px;
  }

  .section-heading {
    margin-bottom: 9px;
  }

  .segments {
    gap: 4px;
  }

  .segments--wrapped {
    row-gap: 5px;
  }

  .segment {
    height: 12px;
  }

  .fraction {
    margin-top: 7px;
    font-size: 0.73rem;
  }
}

@media (max-width: 359px) {
  .controls {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-height: 720px) and (max-width: 599px) {
  .app-shell {
    padding-top: 12px;
    padding-bottom: 16px;
  }

  .app-header {
    margin-bottom: 12px;
  }

  .intro {
    display: none;
  }

  .progress-hint {
    margin-top: 10px;
    margin-bottom: 6px;
  }

  .progress-section {
    padding-top: 10px;
    padding-bottom: 11px;
  }

  .section-heading {
    margin-bottom: 7px;
  }

  .fraction {
    margin-top: 5px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .segment__fill {
    transition: width 180ms ease-out;
  }

  .now-button {
    transition: border-color 120ms ease-out, transform 80ms ease-out;
  }
}