@font-face {
  font-family: "Proxima Nova";
  src: url("/fonts/proxima-nova/ProximaNova-Light.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 300;
}

@font-face {
  font-family: "Proxima Nova";
  src: url("/fonts/proxima-nova/ProximaNova-Regular.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

@font-face {
  font-family: "Proxima Nova";
  src: url("/fonts/proxima-nova/ProximaNova-Semibold.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 650;
}

@font-face {
  font-family: "Proxima Nova";
  src: url("/fonts/proxima-nova/ProximaNova-Bold.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 800;
}

@font-face {
  font-family: "Proxima Nova";
  src: url("/fonts/proxima-nova/ProximaNova-Black.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 950;
}

@font-face {
  font-family: "Fagies";
  src: url("/fonts/brand/Fagies.otf") format("opentype");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

@font-face {
  font-family: "Epilogue KTB";
  src: url("/fonts/brand/Epilogue.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400 900;
}

:root {
  color-scheme: light;

  --ktb-bg: #fff8ed;
  --ktb-bg-elevated: #fffdf8;
  --ktb-surface: #ffffff;
  --ktb-surface-soft: #f8f6f0;
  --ktb-surface-tint: #eef5f7;
  --ktb-text: #212529;
  --ktb-text-strong: #11181d;
  --ktb-text-muted: #495057;
  --ktb-text-soft: #69757f;
  --ktb-border: #e6e8ea;
  --ktb-border-strong: #d4d9dd;
  --ktb-primary: #0d3b66;
  --ktb-primary-pressed: #092d4f;
  --ktb-secondary: #4893c6;
  --ktb-success: #a1e1bc;
  --ktb-success-dark: #5f8651;
  --ktb-warning: #f18c22;
  --ktb-warning-soft: #fff1df;
  --ktb-danger: #b45353;
  --ktb-danger-soft: #fff0ef;
  --ktb-slate: #42515d;
  --ktb-gunmetal: #26323a;
  --ktb-shadow: 0 18px 52px rgba(13, 59, 102, 0.11);
  --ktb-shadow-card: 0 10px 28px rgba(38, 50, 58, 0.09);
  --ktb-shadow-small: 0 6px 16px rgba(38, 50, 58, 0.08);
  --ktb-focus: rgba(72, 147, 198, 0.42);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;

  --radius-xs: 8px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-card: 20px;
  --radius-pill: 999px;

  --transition-fast: 160ms ease;
  --transition-med: 220ms ease;

  --icon-size: 20px;
  --icon-size-sm: 16px;
  --icon-stroke: 2;

  --font-ui: "Proxima Nova", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-brand: "Fagies", "Proxima Nova", ui-serif, Georgia, serif;
  --font-editorial: "Epilogue KTB", "Proxima Nova", ui-sans-serif, system-ui, sans-serif;

  --color-ink: var(--ktb-text);
  --color-muted: var(--ktb-text-muted);
  --color-canvas: var(--ktb-bg);
  --color-surface: var(--ktb-surface);
  --color-surface-strong: var(--ktb-surface-soft);
  --color-field: var(--ktb-bg-elevated);
  --color-line: var(--ktb-border);
  --color-green: var(--ktb-success-dark);
  --color-blue: var(--ktb-secondary);
  --color-amber: var(--ktb-warning);
  --color-red: var(--ktb-danger);
  --color-teal: var(--ktb-primary);

  background: var(--ktb-bg);
  color: var(--ktb-text);
  font-family: var(--font-ui);
  font-variant-numeric: tabular-nums;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

html {
  background: var(--ktb-bg);
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -8%, rgba(72, 147, 198, 0.12), transparent 30rem),
    linear-gradient(180deg, #fff8ed 0%, #fbf4e8 100%);
  color: var(--ktb-text);
}

button {
  border: 0;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

::selection {
  background: rgba(161, 225, 188, 0.8);
}

.app-shell,
.onboarding-shell {
  width: min(100%, 760px);
  min-height: 100vh;
  margin: 0 auto;
}

.app-shell {
  background: rgba(255, 253, 248, 0.72);
  box-shadow: 0 0 0 1px rgba(13, 59, 102, 0.05), var(--ktb-shadow);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: var(--space-3);
  min-height: 72px;
  padding: calc(var(--space-3) + env(safe-area-inset-top) * 0.35) var(--space-4) var(--space-3);
  border-bottom: 1px solid rgba(230, 232, 234, 0.82);
  background: rgba(255, 248, 237, 0.9);
  backdrop-filter: blur(20px) saturate(1.14);
}

.brand-lockup {
  min-width: 0;
  text-align: center;
}

.brand-lockup p,
.eyebrow,
.metric-label {
  color: var(--ktb-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-transform: uppercase;
}

.brand-lockup h1 {
  overflow: hidden;
  color: var(--ktb-primary);
  font-family: var(--font-brand);
  font-size: 1.18rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.ui-icon {
  display: block;
  width: var(--icon-size);
  height: var(--icon-size);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: var(--icon-stroke);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(13, 59, 102, 0.11);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--ktb-shadow-small);
  color: var(--ktb-primary);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.icon-button:hover,
.settings-row:hover,
.utility-link:hover,
.text-button:hover {
  transform: translateY(-1px);
}

.icon-button.is-hidden {
  pointer-events: none;
  opacity: 0;
}

.app-main {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  padding-bottom: max(var(--space-7), env(safe-area-inset-bottom));
}

.stack,
.action-stack,
.debug-list {
  display: grid;
  gap: var(--space-3);
}

.section-heading {
  display: grid;
  gap: var(--space-1);
  padding: 0 var(--space-1);
}

.heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.section-heading h2,
.card h2 {
  color: var(--ktb-text-strong);
  font-size: 1.18rem;
  font-weight: 800;
  line-height: 1.2;
}

.section-heading p,
.card p,
.timer-card p,
.estimate-panel p {
  color: var(--ktb-text-muted);
  font-size: 0.96rem;
  line-height: 1.45;
}

.card,
.crossing-card,
.timer-card,
.onboarding-card,
.resume-button,
.install-card,
.info-row,
.metric-box,
.settings-row,
.debug-row {
  border: 1px solid var(--ktb-border);
  border-radius: var(--radius-card);
  background: var(--ktb-surface);
  box-shadow: var(--ktb-shadow-card);
}

.card,
.crossing-card,
.timer-card,
.onboarding-card {
  padding: var(--space-5);
}

.install-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--ktb-surface);
}

.update-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid rgba(241, 140, 34, 0.26);
  border-radius: var(--radius-card);
  background: var(--ktb-warning-soft);
  box-shadow: var(--ktb-shadow-small);
}

.update-card h2 {
  color: var(--ktb-gunmetal);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.2;
}

.update-card p {
  margin-top: var(--space-1);
  color: var(--ktb-text-muted);
  font-size: 0.92rem;
  line-height: 1.38;
}

.install-card-header {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 36px;
  gap: var(--space-3);
  align-items: start;
}

.install-visual {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  background: #eef7f2;
}

.install-phone {
  width: 18px;
  height: 27px;
  border: 2px solid var(--ktb-success-dark);
  border-radius: 6px;
  box-shadow: inset 0 -4px 0 rgba(161, 225, 188, 0.5);
}

.install-home-dot {
  position: absolute;
  right: 9px;
  bottom: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ktb-secondary);
}

.install-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ktb-border);
  border-radius: 13px;
  background: var(--ktb-surface-soft);
  color: var(--ktb-text-muted);
  font-size: 1rem;
  font-weight: 800;
}

.install-close .ui-icon {
  width: 18px;
  height: 18px;
}

.install-card h2 {
  color: var(--ktb-text-strong);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.2;
}

.install-card p {
  margin-top: var(--space-1);
  color: var(--ktb-text-muted);
  font-size: 0.93rem;
  line-height: 1.4;
}

.install-card .install-instructions {
  color: var(--ktb-primary);
  font-weight: 800;
}

.install-share-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin: 0 2px;
  vertical-align: -0.22em;
}

.install-share-icon .ui-icon {
  width: 17px;
  height: 17px;
  stroke-width: 2;
}

.install-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.privacy-card {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.privacy-note {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3);
  border: 1px solid rgba(72, 147, 198, 0.17);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--ktb-shadow-small);
}

.privacy-note h2 {
  color: var(--ktb-text-strong);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.2;
}

.privacy-note p {
  margin-top: 2px;
  color: var(--ktb-text-muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.privacy-note-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: var(--ktb-success);
  color: #274032;
}

.privacy-note-icon .ui-icon,
.success-mark .ui-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2.8;
}

.utility-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(72, 147, 198, 0.18);
  border-radius: var(--radius-card);
  background: var(--ktb-surface);
  box-shadow: var(--ktb-shadow-small);
  color: var(--ktb-primary);
  font-size: 0.94rem;
  font-weight: 800;
  text-align: left;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.utility-link span:last-child {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 11px;
  background: var(--ktb-surface-tint);
  color: var(--ktb-primary);
}

.utility-link .ui-icon {
  width: 18px;
  height: 18px;
}

.status-icon,
.success-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  background: var(--ktb-success);
  color: #274032;
}

.crossing-card,
.resume-button,
.settings-row {
  width: 100%;
  color: var(--ktb-text);
  text-align: left;
}

.crossing-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  overflow: hidden;
}

.crossing-card.is-empty {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
}

.card-topline,
.compact-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-topline h2,
.card-topline h3 {
  color: var(--ktb-text-strong);
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.16;
}

.card-topline p {
  margin-top: var(--space-1);
  color: var(--ktb-text-soft);
  font-size: 0.88rem;
  font-weight: 650;
}

.wait-row,
.estimate-focus {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: end;
}

.estimate-focus {
  padding: var(--space-3) 0 var(--space-2);
  border: 0;
  border-radius: 18px;
  background: transparent;
}

.estimate-focus.is-empty {
  align-items: center;
  padding-block: var(--space-4);
}

.estimate-focus p {
  margin-top: var(--space-2);
  color: var(--ktb-text-muted);
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.35;
}

.wait-row strong,
.estimate-focus strong,
.estimate-panel strong {
  display: block;
  margin-top: var(--space-1);
  color: var(--ktb-text-strong);
  font-size: clamp(2.35rem, 8.2vw, 3.05rem);
  font-weight: 950;
  line-height: 0.96;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.confidence-stack {
  display: grid;
  justify-items: end;
  gap: var(--space-1);
  align-self: start;
}

.confidence-stack small {
  color: var(--ktb-text-soft);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.empty-estimate-state {
  display: grid;
  gap: var(--space-2);
}

.empty-estimate-state strong {
  display: block;
  max-width: 15rem;
  color: var(--ktb-text-strong);
  font-size: clamp(1.45rem, 5.5vw, 2rem);
  font-weight: 950;
  line-height: 1.02;
}

.metadata-row,
.card-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metadata-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  padding-top: var(--space-1);
}

.metadata-item,
.card-metrics span {
  min-width: 0;
  color: var(--ktb-text-soft);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.25;
}

.metadata-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.metadata-item .ui-icon {
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
  color: var(--ktb-text-soft);
  stroke-width: 2.1;
}

.card-metrics span {
  padding: var(--space-1) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.badge,
.status-pill,
.trend {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 30px;
  padding: 6px var(--space-3);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.status-pill .ui-icon {
  width: 15px;
  height: 15px;
  stroke-width: 2.3;
}

.badge-high,
.status-high,
.trend-faster {
  background: #eaf8ef;
  color: var(--ktb-success-dark);
}

.badge-medium,
.status-medium {
  background: #fff4e4;
  color: #94601b;
}

.badge-low,
.status-low,
.trend-stable {
  background: #eef5f9;
  color: var(--ktb-primary);
}

.trend-slower {
  background: #fff1df;
  color: #925214;
}

.badge-empty,
.status-empty {
  background: #f1f2f2;
  color: var(--ktb-slate);
}

.resume-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--ktb-primary);
  color: #ffffff;
  font-weight: 800;
}

.resume-button strong {
  color: #ffffff;
}

.hero-card,
.completion-card {
  display: grid;
  gap: var(--space-4);
}

.completion-card {
  justify-items: start;
}

.completion-card .success-mark {
  margin-bottom: var(--space-1);
}

.completion-card h2 {
  font-size: 1.45rem;
}

.estimate-panel {
  border: 0;
  border-radius: 18px;
  background: var(--ktb-surface-soft);
  padding: var(--space-5);
}

.info-list,
.metric-grid,
.settings-list {
  display: grid;
  gap: var(--space-3);
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-row,
.metric-box,
.debug-row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--ktb-surface);
}

.detail-card {
  display: grid;
  gap: var(--space-4);
}

.detail-heading {
  padding: 0;
}

.detail-grid {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--ktb-border);
  border-radius: var(--radius-md);
  background: var(--ktb-bg-elevated);
}

.detail-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-4);
}

.detail-row + .detail-row {
  border-top: 1px solid var(--ktb-border);
}

.detail-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--ktb-surface-tint);
  color: var(--ktb-primary);
}

.detail-icon .ui-icon {
  width: 18px;
  height: 18px;
}

.detail-label,
.info-row span,
.metric-box span {
  color: var(--ktb-primary);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.detail-row strong,
.info-row strong,
.metric-box strong,
.debug-row strong {
  color: var(--ktb-text-strong);
  font-size: 1rem;
  line-height: 1.35;
}

.detail-row small,
.metric-box small,
.debug-row span {
  color: var(--ktb-text-muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.how-hero {
  background: var(--ktb-primary);
}

.how-hero .eyebrow,
.how-hero h2,
.how-hero p {
  color: #ffffff;
}

.how-hero h2 {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.08;
}

.how-steps {
  display: grid;
  gap: var(--space-3);
}

.how-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--ktb-border);
  border-radius: var(--radius-card);
  background: var(--ktb-surface);
  box-shadow: var(--ktb-shadow-card);
}

.how-step > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: var(--ktb-success);
  color: #274032;
  font-weight: 950;
}

.how-step h3 {
  color: var(--ktb-text-strong);
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.25;
}

.how-step p {
  margin-top: var(--space-1);
  color: var(--ktb-text-muted);
  font-size: 0.94rem;
  line-height: 1.4;
}

.timer-card {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  padding: var(--space-7) var(--space-5) var(--space-6);
  text-align: center;
}

.timer-card .eyebrow {
  color: var(--ktb-warning);
}

.timer-readout {
  color: var(--ktb-text-strong);
  font-size: clamp(4rem, 16vw, 6.1rem);
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  letter-spacing: -0.04em;
  line-height: 0.88;
}

.reminder-card {
  border-color: rgba(241, 140, 34, 0.32);
  background: var(--ktb-warning-soft);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.primary-button,
.secondary-button,
.success-button,
.danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 52px;
  border-radius: 16px;
  padding: var(--space-3) var(--space-4);
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.primary-button {
  background: var(--ktb-primary);
  box-shadow: 0 9px 20px rgba(13, 59, 102, 0.2);
  color: #ffffff;
}

.primary-button:hover,
.success-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(13, 59, 102, 0.22);
}

.primary-button:active,
.success-button:active,
.secondary-button:active,
.danger-button:active {
  transform: translateY(0);
}

.secondary-button {
  border: 1px solid var(--ktb-border-strong);
  background: var(--ktb-surface);
  color: var(--ktb-primary);
}

.success-button {
  background: var(--ktb-success);
  box-shadow: 0 9px 20px rgba(95, 134, 81, 0.16);
  color: #274032;
}

.danger-button {
  border: 1px solid rgba(180, 83, 83, 0.24);
  background: var(--ktb-danger-soft);
  color: var(--ktb-danger);
}

.primary-button .ui-icon,
.secondary-button .ui-icon,
.success-button .ui-icon,
.danger-button .ui-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 2.3;
}

.text-button {
  min-height: 36px;
  border: 1px solid var(--ktb-border);
  border-radius: var(--radius-pill);
  background: var(--ktb-bg-elevated);
  color: var(--ktb-primary);
  padding: var(--space-2) var(--space-3);
  font-size: 0.84rem;
  font-weight: 850;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.text-button.subtle {
  border-color: transparent;
  background: transparent;
  color: var(--ktb-primary);
  padding-inline: var(--space-1);
}

.full {
  width: 100%;
}

.span-2 {
  grid-column: 1 / -1;
}

.sticky-action {
  position: sticky;
  bottom: max(var(--space-4), env(safe-area-inset-bottom));
}

.validation-dot {
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  background: var(--ktb-text-soft);
  box-shadow: 0 0 0 1px var(--ktb-border);
}

.validation-dot.valid {
  background: var(--ktb-success-dark);
}

.validation-dot.warning {
  background: var(--ktb-warning);
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-1);
  border: 1px solid var(--ktb-border);
  border-radius: var(--radius-md);
  background: var(--ktb-surface-soft);
}

.segmented-control button {
  min-height: 44px;
  border-radius: 11px;
  background: transparent;
  color: var(--ktb-text-muted);
  font-weight: 850;
}

.segmented-control button.active {
  background: var(--ktb-primary);
  box-shadow: var(--ktb-shadow-small);
  color: #ffffff;
}

.settings-row {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: var(--space-4);
  font-weight: 850;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.settings-intro {
  display: grid;
  gap: var(--space-2);
}

.settings-intro span {
  width: fit-content;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--ktb-surface-tint);
  color: var(--ktb-primary);
  font-size: 0.78rem;
  font-weight: 850;
}

.privacy-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding-left: var(--space-5);
  color: var(--ktb-text-muted);
  line-height: 1.46;
}

.privacy-policy-hero,
.privacy-policy-section {
  display: grid;
  gap: var(--space-2);
}

.privacy-policy-hero {
  background: var(--ktb-primary);
}

.privacy-policy-hero .eyebrow,
.privacy-policy-hero h2,
.privacy-policy-hero p {
  color: #ffffff;
}

.privacy-policy-hero h2 {
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.08;
}

.privacy-policy-section h2 {
  color: var(--ktb-text-strong);
}

.onboarding-shell {
  display: grid;
  align-items: center;
  width: min(100%, 980px);
  min-height: 100svh;
  padding: var(--space-4);
}

.onboarding-card {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  padding: clamp(var(--space-5), 5vw, var(--space-8));
  border-color: rgba(13, 59, 102, 0.09);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--ktb-shadow);
}

.onboarding-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.onboarding-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 58%;
  min-height: 30px;
  padding: var(--space-2) var(--space-3);
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--ktb-success);
  color: #274032;
  font-size: 0.72rem;
  font-weight: 950;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.onboarding-topline .eyebrow {
  max-width: 42%;
  color: var(--ktb-text-soft);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: right;
}

.onboarding-hero {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  text-align: center;
}

.onboarding-card h1 {
  max-width: 12.5ch;
  color: var(--ktb-primary);
  font-family: var(--font-brand);
  font-size: clamp(2.35rem, 9.5vw, 4.85rem);
  font-weight: 400;
  letter-spacing: 0.035em;
  line-height: 0.92;
  text-transform: uppercase;
}

.onboarding-copy {
  max-width: 34rem;
  color: var(--ktb-text-muted);
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  line-height: 1.48;
}

.onboarding-list {
  display: grid;
  gap: var(--space-2);
  padding: 0;
}

.onboarding-item {
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(230, 232, 234, 0.86);
  border-radius: var(--radius-card);
  background: var(--ktb-surface-soft);
}

.onboarding-item h2 {
  color: var(--ktb-text-strong);
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.25;
}

.onboarding-item p {
  margin-top: var(--space-1);
  color: var(--ktb-text-muted);
  font-size: 0.94rem;
  line-height: 1.42;
}

@media (min-width: 720px) {
  .app-main {
    padding: var(--space-5);
    gap: var(--space-5);
  }

  .onboarding-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.75fr);
    align-items: center;
  }

  .onboarding-topline,
  .onboarding-hero,
  .onboarding-card > .primary-button,
  .onboarding-card > .install-card,
  .onboarding-card > .update-card {
    grid-column: 1;
  }

  .onboarding-list {
    grid-column: 2;
    grid-row: 2 / span 4;
  }

  .install-actions {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (max-width: 520px) {
  .app-shell {
    box-shadow: none;
  }

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

  .card-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .card-metrics span:last-child {
    grid-column: 1 / -1;
  }

  .crossing-card {
    gap: var(--space-4);
  }
}

@media (max-width: 360px) {
  .app-header {
    grid-template-columns: 40px minmax(0, 1fr) 40px;
    padding-inline: var(--space-3);
  }

  .icon-button {
    width: 40px;
    height: 40px;
  }

  .app-main,
  .onboarding-shell {
    padding-inline: var(--space-3);
  }

  .privacy-note {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .privacy-note .text-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .estimate-focus {
    grid-template-columns: 1fr;
  }

  .confidence-stack {
    justify-items: start;
  }

  .card-metrics {
    grid-template-columns: 1fr;
  }

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

  .span-2 {
    grid-column: auto;
  }

  .onboarding-card {
    gap: var(--space-4);
    padding: var(--space-4);
  }

  .onboarding-topline {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  .onboarding-marker,
  .onboarding-topline .eyebrow {
    max-width: 100%;
    text-align: left;
  }
}

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