:root {
  --page: #f2f0e9;
  --surface: #ffffff;
  --surface-soft: #e8ece7;
  --ink: #14201d;
  --muted: #66736f;
  --line: #d6dbd5;
  --focus: #123f36;
  --focus-strong: #0c3029;
  --focus-soft: #dbe9e3;
  --lime: #dff36d;
  --break: #d9c49c;
  --break-soft: #f1e8d7;
  --danger: #9d3535;
  --danger-soft: #fae7e4;
  --warning: #8a5a12;
  --warning-soft: #fff0cd;
  --success: #246341;
  --success-soft: #e0f0e6;
  --shadow: 0 12px 35px rgba(31, 46, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --tap: 52px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--page);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 100% 0%, rgba(223, 243, 109, 0.16), transparent 25rem),
    var(--page);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(18, 63, 54, 0.35);
  outline-offset: 3px;
}

.app-shell {
  width: min(100%, 800px);
  min-height: 100vh;
  margin: 0 auto;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  min-height: 80px;
  padding: calc(18px + env(safe-area-inset-top)) 20px 14px;
  background: rgba(242, 240, 233, 0.9);
  border-bottom: 1px solid rgba(214, 219, 213, 0.72);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 18px;
  height: 18px;
  border: 5px solid var(--focus);
  border-radius: 50%;
}

.brand-mark::after {
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--lime);
  content: "";
}

.topbar-date {
  margin: 7px 0 0 27px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 620;
}

.sync-status {
  display: flex;
  min-height: 28px;
  align-items: center;
  justify-content: flex-end;
  padding-top: 1px;
}

.status-pill {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status-pill::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.status-pill.is-saving::before {
  animation: pulse 1s infinite alternate;
  background: var(--warning);
}

.status-pill.is-error {
  border-color: rgba(157, 53, 53, 0.22);
  color: var(--danger);
}

.status-pill.is-offline {
  color: var(--warning);
}

.status-pill.is-saved {
  color: var(--success);
}

#system-banner:empty {
  display: none;
}

.system-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  margin: 14px 16px 0;
  padding: 14px 15px;
  border: 1px solid rgba(157, 53, 53, 0.2);
  border-radius: var(--radius-md);
  background: var(--danger-soft);
  color: #6f2424;
}

.system-banner.is-warning {
  border-color: rgba(138, 90, 18, 0.2);
  background: var(--warning-soft);
  color: #67430d;
}

.system-banner-icon {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border-radius: 50%;
  background: currentColor;
  color: white;
  font-size: 0.8rem;
  font-weight: 900;
}

.system-banner h2 {
  margin: 0;
  font-size: 0.9rem;
}

.system-banner p {
  margin: 4px 0 0;
  font-size: 0.79rem;
  line-height: 1.45;
}

.system-banner-actions {
  grid-column: 2;
  margin-top: 2px;
}

main {
  padding: 20px 16px calc(118px + env(safe-area-inset-bottom));
}

.page {
  display: grid;
  gap: 18px;
  animation: page-in 220ms ease-out;
}

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 5px 2px 0;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.page-title,
.hero-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.7rem, 8vw, 2.45rem);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.page-intro {
  max-width: 34rem;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.card {
  border: 1px solid rgba(214, 219, 213, 0.9);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-pad {
  padding: 22px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 27px 23px 24px;
}

.hero-card::after {
  position: absolute;
  top: -96px;
  right: -74px;
  width: 210px;
  height: 210px;
  border: 39px solid rgba(18, 63, 54, 0.06);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-card.is-active {
  border-color: var(--focus);
  background: var(--focus);
  color: white;
}

.hero-card.is-active::after {
  border-color: rgba(223, 243, 109, 0.11);
}

.hero-card.is-break {
  border-color: #b89d6c;
  background: #eadcc1;
  color: var(--ink);
}

.hero-card.is-break::after {
  border-color: rgba(18, 63, 54, 0.08);
}

.hero-card.is-complete {
  border-color: rgba(36, 99, 65, 0.2);
  background: linear-gradient(145deg, #edf6f0, #ffffff 75%);
}

.hero-card .eyebrow {
  position: relative;
  z-index: 1;
}

.hero-card.is-active .eyebrow {
  color: rgba(255, 255, 255, 0.66);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 28rem;
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.hero-card.is-active .hero-copy {
  color: rgba(255, 255, 255, 0.72);
}

.workday-strip {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.workday-strip-time {
  margin: 2px 0 0;
  font-size: 1.05rem;
  font-weight: 740;
  letter-spacing: -0.02em;
}

.workday-strip-duration {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: right;
}

.hero-card.is-break .workday-strip-duration {
  color: var(--muted);
}

.state-block {
  position: relative;
  z-index: 1;
  text-align: center;
}

.state-label {
  margin: 0;
  color: var(--lime);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero-card.is-break .state-label {
  color: var(--focus);
}

.timer {
  margin: 12px 0 24px;
  font-size: clamp(3.45rem, 17vw, 6.2rem);
  font-variant-numeric: tabular-nums;
  font-weight: 760;
  letter-spacing: -0.07em;
  line-height: 0.92;
}

.button-stack {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

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

.btn {
  display: inline-flex;
  min-height: var(--tap);
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease, opacity 150ms ease;
}

.btn:active:not(:disabled) {
  transform: scale(0.985);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--focus-strong);
}

.hero-card.is-active .btn-primary {
  background: var(--lime);
  color: var(--focus-strong);
}

.hero-card.is-break .btn-primary {
  background: var(--focus);
  color: white;
}

.btn-secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

.hero-card.is-active .btn-secondary {
  border-color: rgba(255, 255, 255, 0.27);
  color: white;
}

.hero-card.is-break .btn-secondary {
  border-color: rgba(18, 63, 54, 0.24);
}

.btn-danger {
  border-color: rgba(157, 53, 53, 0.25);
  background: transparent;
  color: var(--danger);
}

.btn-small {
  min-height: 38px;
  padding: 9px 13px;
  font-size: 0.7rem;
}

.section {
  display: grid;
  gap: 12px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding: 0 2px;
}

.section-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 790;
  letter-spacing: -0.025em;
}

.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
  text-align: right;
}

.summary-card {
  padding: 20px;
}

.summary-lead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.summary-lead-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.summary-lead-value {
  margin-top: 5px;
  font-size: 1.35rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
}

.summary-lead-total {
  font-size: 1.05rem;
  font-weight: 780;
  white-space: nowrap;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
}

.stat-cell {
  min-height: 100px;
  padding: 17px;
  background: var(--surface);
}

.stat-cell-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 780;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-transform: uppercase;
}

.stat-cell-value {
  margin: 9px 0 0;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.stat-cell-sub {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.73rem;
}

.metric-groups {
  display: grid;
  gap: 12px;
}

.metric-group {
  padding: 20px;
}

.metric-group-header {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 15px;
}

.metric-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--focus);
}

.metric-dot.is-break {
  background: var(--break);
}

.metric-group-title {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 880;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.metric-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.metric-row:last-child {
  padding-bottom: 0;
}

.metric-row dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.metric-row dd {
  margin: 0;
  font-size: 0.91rem;
  font-variant-numeric: tabular-nums;
  font-weight: 780;
  text-align: right;
}

.timeline-card {
  overflow: hidden;
  padding: 20px;
}

.timeline-scale {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.timeline-track {
  display: flex;
  width: 100%;
  min-height: 64px;
  overflow: hidden;
  border: 1px solid rgba(18, 63, 54, 0.12);
  border-radius: 13px;
  background: var(--surface-soft);
}

.timeline-segment {
  position: relative;
  display: grid;
  min-width: 3px;
  place-items: center;
  overflow: hidden;
  color: white;
  font-size: 0.61rem;
  font-weight: 870;
  letter-spacing: 0.06em;
  text-align: center;
}

.timeline-segment.is-focus {
  background: var(--focus);
}

.timeline-segment.is-break {
  background:
    repeating-linear-gradient(
      -45deg,
      #d2bb8d,
      #d2bb8d 8px,
      #e6d7b8 8px,
      #e6d7b8 16px
    );
  color: var(--ink);
}

.timeline-segment.is-active::after {
  position: absolute;
  inset: 0;
  border: 2px solid var(--lime);
  content: "";
  animation: active-outline 1.5s infinite alternate;
}

.timeline-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 13px;
  color: var(--muted);
  font-size: 0.73rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-swatch {
  width: 18px;
  height: 8px;
  border-radius: 3px;
  background: var(--focus);
}

.legend-swatch.is-break {
  background: var(--break);
}

.timeline-empty {
  display: grid;
  min-height: 110px;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
}

.completion-summary {
  display: grid;
  gap: 15px;
  margin-top: 22px;
}

.completion-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(18, 63, 54, 0.13);
}

.completion-line span:first-child {
  color: var(--muted);
  font-size: 0.84rem;
}

.completion-line strong {
  font-variant-numeric: tabular-nums;
}

.progress-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
}

.progress-tab {
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 880;
  letter-spacing: 0.1em;
}

.progress-tab[aria-selected="true"] {
  background: var(--focus);
  color: white;
  box-shadow: 0 5px 15px rgba(18, 63, 54, 0.18);
}

.comparison-card {
  overflow: hidden;
}

.comparison-primary {
  padding: 25px 22px 22px;
  background: var(--focus);
  color: white;
}

.comparison-primary .eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

.comparison-label {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.comparison-value {
  margin: 7px 0 0;
  font-size: clamp(2.75rem, 14vw, 4.8rem);
  font-variant-numeric: tabular-nums;
  font-weight: 790;
  letter-spacing: -0.065em;
  line-height: 1;
}

.comparison-change {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 17px;
}

.change-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
  font-size: 0.78rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.change-badge.is-up {
  background: var(--lime);
  color: var(--focus-strong);
}

.change-badge.is-down {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

.comparison-context {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.comparison-context-item:last-child {
  text-align: right;
}

.context-label {
  display: block;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.63rem;
  font-weight: 840;
  letter-spacing: 0.09em;
  line-height: 1.4;
  text-transform: uppercase;
}

.context-value {
  display: block;
  margin-top: 4px;
  font-size: 1.02rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.context-arrow {
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.1rem;
}

.comparison-empty {
  padding: 31px 22px;
  text-align: center;
}

.empty-icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 15px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--focus);
  font-size: 1.3rem;
  font-weight: 850;
}

.empty-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.empty-copy {
  max-width: 27rem;
  margin: 7px auto 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.supporting-card {
  padding: 4px 20px;
}

.supporting-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
}

.supporting-row:first-child {
  border-top: 0;
}

.supporting-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 710;
}

.supporting-sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.supporting-values {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 10px;
  text-align: right;
}

.supporting-current {
  font-size: 0.96rem;
  font-variant-numeric: tabular-nums;
  font-weight: 820;
  white-space: nowrap;
}

.supporting-change {
  min-width: 61px;
  color: var(--muted);
  font-size: 0.73rem;
  font-variant-numeric: tabular-nums;
  font-weight: 780;
  white-space: nowrap;
}

.supporting-change.is-positive {
  color: var(--success);
}

.supporting-change.is-negative {
  color: var(--danger);
}

.chart-card {
  padding: 20px 17px 15px;
}

.chart-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding: 0 5px 12px;
}

.chart-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 790;
}

.chart-caption {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.chart-wrap {
  width: 100%;
  overflow: hidden;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-grid {
  stroke: #dfe3df;
  stroke-width: 1;
}

.chart-axis-label {
  fill: var(--muted);
  font-size: 10px;
  font-weight: 650;
}

.chart-line {
  fill: none;
  stroke: var(--focus);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3.5;
}

.chart-area {
  fill: url(#focusAreaGradient);
}

.chart-dot {
  fill: var(--lime);
  stroke: var(--focus);
  stroke-width: 3;
}

.chart-empty {
  display: grid;
  min-height: 190px;
  place-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.history-list {
  display: grid;
  gap: 12px;
}

.history-card {
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: transform 150ms ease, border-color 150ms ease;
}

.history-card:hover {
  border-color: rgba(18, 63, 54, 0.35);
  transform: translateY(-1px);
}

.history-card-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  padding: 19px 20px 16px;
}

.history-date {
  margin: 0;
  font-size: 1rem;
  font-weight: 870;
  letter-spacing: 0.08em;
}

.history-time {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.history-duration {
  margin: 5px 0 0;
  font-size: 0.92rem;
  font-weight: 780;
}

.history-arrow {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--focus);
  font-size: 1rem;
}

.history-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  background: #fafbf9;
}

.history-metric {
  padding: 14px 20px 16px;
}

.history-metric + .history-metric {
  border-left: 1px solid var(--line);
}

.history-metric-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 790;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.history-metric-value {
  margin: 5px 0 0;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.back-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 800;
}

.detail-hero {
  padding: 24px 22px;
}

.detail-date {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 840;
  letter-spacing: -0.035em;
}

.detail-time {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  font-variant-numeric: tabular-nums;
}

.detail-duration {
  margin: 17px 0 0;
  font-size: 2.4rem;
  font-variant-numeric: tabular-nums;
  font-weight: 790;
  letter-spacing: -0.055em;
}

.inline-note {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.48;
}

.loading-state,
.fatal-state {
  display: grid;
  min-height: 56vh;
  place-items: center;
  align-content: center;
  gap: 13px;
  color: var(--muted);
  text-align: center;
}

.loading-state p,
.fatal-state p {
  max-width: 28rem;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
}

.loading-dot {
  width: 18px;
  height: 18px;
  border: 3px solid rgba(18, 63, 54, 0.18);
  border-top-color: var(--focus);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.bottom-nav {
  position: fixed;
  z-index: 30;
  bottom: calc(10px + env(safe-area-inset-bottom));
  left: 50%;
  display: grid;
  width: min(calc(100% - 24px), 560px);
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 6px;
  border: 1px solid rgba(18, 63, 54, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 40px rgba(18, 39, 34, 0.18);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.nav-item {
  display: grid;
  min-height: 61px;
  place-items: center;
  align-content: center;
  gap: 4px;
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.nav-item svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.nav-item.is-active {
  background: var(--focus);
  color: white;
}

.noscript-message {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 30px;
  background: var(--page);
  color: var(--ink);
  text-align: center;
}

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

@keyframes pulse {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes active-outline {
  from { opacity: 0.55; }
  to { opacity: 1; }
}

@media (min-width: 640px) {
  .topbar {
    padding-right: 28px;
    padding-left: 28px;
  }

  main {
    padding-right: 28px;
    padding-left: 28px;
  }

  .hero-card {
    padding: 32px;
  }

  .button-row {
    grid-template-columns: 1fr 0.62fr;
  }

  .stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .metric-groups {
    grid-template-columns: 1fr 1fr;
  }

  .comparison-card,
  .chart-card,
  .supporting-card,
  .timeline-card,
  .summary-card {
    border-radius: var(--radius-xl);
  }
}

@media (min-width: 760px) {
  main {
    padding-bottom: 128px;
  }

  .hero-card.is-active,
  .hero-card.is-break {
    padding-right: 44px;
    padding-left: 44px;
  }

  .state-block {
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}