:root {
  --ratp-blue: #000091;
  --ratp-blue-deep: #00007a;
  --bg: #f4f5f8;
  --bg-elevated: #ffffff;
  --ink: #161616;
  --ink-secondary: #3a3a3a;
  --ink-tertiary: #6a6a6a;
  --separator: rgba(22, 22, 22, 0.1);
  --accent: var(--ratp-blue);
  --accent-pressed: var(--ratp-blue-deep);
  --danger: #ce0500;
  --success: #18753c;
  --fill: #ececf0;
  --fill-strong: #e0e0e6;
  --shadow: 0 8px 28px rgba(0, 0, 80, 0.08);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --font: "Source Sans 3", "Avenir Next", "Segoe UI", sans-serif;
  --tap-min: 48px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-lg: 1.15rem;
  --radius-md: 0.85rem;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled {
  opacity: 0.38;
  cursor: default;
}

.app {
  min-height: 100dvh;
  max-width: 28rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding:
    calc(2rem + var(--safe-top))
    calc(1.35rem + var(--safe-right))
    calc(1.25rem + var(--safe-bottom))
    calc(1.35rem + var(--safe-left));
}

.app > .actions {
  margin-top: auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: var(--tap-min);
  margin: -0.35rem 0 0;
  animation: rise-in 560ms var(--ease) both;
}

.btn-icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: var(--tap-min);
  height: var(--tap-min);
  border-radius: var(--radius-md);
  background: var(--fill);
  color: var(--ratp-blue);
  transition: background 140ms var(--ease), transform 140ms var(--ease);
}

.btn-icon--profile {
  border-radius: 50%;
  background: var(--ratp-blue);
  color: #fff;
}

.btn-icon--profile:not(:disabled):active {
  background: var(--ratp-blue-deep);
}

.btn-icon:not(:disabled):active {
  background: var(--fill-strong);
  transform: scale(0.96);
}

.btn-icon .icon {
  display: block;
}

.meter {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  animation: rise-in 640ms var(--ease) both;
  animation-delay: 40ms;
}

.meter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--separator);
}

.meter-label {
  margin: 0 0 0.35rem;
  color: var(--ink-tertiary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.meter-value {
  margin: 0;
  font-size: clamp(2.6rem, 12vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ratp-blue);
}

.meter-value--money {
  font-size: clamp(1.7rem, 8vw, 2.15rem);
  letter-spacing: -0.035em;
}

.meter-value.is-bump {
  animation: bump 420ms var(--ease);
}

.meter-value.is-undo {
  animation: fade-soft 360ms var(--ease);
}

.renta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--separator);
}

.renta .meter-value.is-positive {
  color: var(--success);
}

.renta .meter-value.is-negative {
  color: var(--danger);
}

.amende {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.amende-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.amende-rate {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.amende-controls {
  display: grid;
  grid-template-columns: var(--tap-min) 1fr var(--tap-min);
  align-items: center;
  gap: 0.75rem;
}

.amende-controls .meter-value {
  text-align: center;
}

.btn-step {
  width: var(--tap-min);
  height: var(--tap-min);
  border-radius: var(--radius-md);
  background: var(--fill);
  color: var(--ratp-blue);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1;
}

.btn-step:not(:disabled):active {
  background: var(--fill-strong);
}

.palier {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.palier-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.palier-label,
.palier-meta {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 0.9rem;
}

.palier-target {
  margin: 0;
  font-weight: 700;
  color: var(--ratp-blue);
  font-variant-numeric: tabular-nums;
}

.palier-track {
  height: 0.45rem;
  border-radius: 999px;
  background: var(--fill);
  overflow: hidden;
}

.palier-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--ratp-blue);
  transition: width 380ms var(--ease);
}

.palier.is-reached .palier-fill {
  background: var(--success);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: rise-in 700ms var(--ease) both;
  animation-delay: 80ms;
}

.action-bar {
  display: flex;
  align-items: stretch;
  gap: 0.65rem;
}

.action-bar .btn-add {
  flex: 1 1 auto;
  min-width: 0;
}

.btn-icon--undo {
  flex: 0 0 4.5rem;
  align-self: stretch;
  width: 4.5rem;
  min-height: 4.5rem;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.btn-add {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 4.5rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-lg);
  background: var(--ratp-blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 0, 145, 0.22);
  transition: transform 140ms var(--ease), background 140ms var(--ease);
}

.btn-add:active {
  transform: scale(0.98);
  background: var(--ratp-blue-deep);
}

.btn-add-plus {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.18);
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1;
}

.btn-add-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.btn-add-label {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.btn-add-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.btn-add-price {
  font-size: 0.88rem;
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.btn-add-pass {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.btn-add-pass[hidden] {
  display: none;
}

.btn-secondary,
.btn-primary,
.btn-danger {
  min-height: var(--tap-min);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-secondary {
  background: var(--fill);
  color: var(--ink);
}

.btn-secondary:not(:disabled):active {
  background: var(--fill-strong);
}

.btn-primary {
  background: var(--ratp-blue);
  color: #fff;
}

.btn-primary:active {
  background: var(--ratp-blue-deep);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-text-danger {
  margin-top: 0.35rem;
  min-height: var(--tap-min);
  width: 100%;
  color: var(--danger);
  font-weight: 600;
  font-size: 0.95rem;
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: end center;
  padding:
    1rem
    calc(0.75rem + var(--safe-right))
    calc(0.75rem + var(--safe-bottom))
    calc(0.75rem + var(--safe-left));
  background: rgba(0, 0, 60, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade-in 180ms ease-out;
}

.sheet-backdrop[hidden] {
  display: none;
}

.sheet {
  width: min(100%, 26rem);
  padding: 0.65rem 1.15rem calc(1.1rem + var(--safe-bottom));
  border-radius: 1.4rem 1.4rem 1.1rem 1.1rem;
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  animation: sheet-up 280ms var(--ease);
}

.sheet--compact {
  padding-top: 1.25rem;
}

.sheet-handle {
  width: 2.25rem;
  height: 0.3rem;
  margin: 0.2rem auto 0.9rem;
  border-radius: 999px;
  background: rgba(22, 22, 22, 0.16);
}

.sheet h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ratp-blue);
}

.sheet-copy {
  margin: 0 0 1.15rem;
  color: var(--ink-secondary);
  line-height: 1.45;
  font-size: 0.98rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.field-label {
  color: var(--ink-secondary);
  font-size: 0.88rem;
  font-weight: 600;
}

.field-price {
  margin: 0 0 0.75rem;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ratp-blue);
  font-variant-numeric: tabular-nums;
}

.toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: var(--tap-min);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--fill);
  cursor: pointer;
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-ui {
  position: relative;
  flex: 0 0 auto;
  width: 2.7rem;
  height: 1.55rem;
  border-radius: 999px;
  background: #c5c5cc;
  transition: background 160ms var(--ease);
}

.toggle-ui::after {
  content: "";
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 160ms var(--ease);
}

.toggle input:checked + .toggle-ui {
  background: var(--ratp-blue);
}

.toggle input:checked + .toggle-ui::after {
  transform: translateX(1.15rem);
}

.toggle input:focus-visible + .toggle-ui {
  outline: 2px solid var(--ratp-blue);
  outline-offset: 2px;
}

.toggle-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.toggle-title {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.toggle-hint {
  font-size: 0.82rem;
  color: var(--ink-tertiary);
  line-height: 1.3;
}

.field-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: var(--tap-min);
  padding: 0 0.95rem;
  border-radius: var(--radius-md);
  background: var(--fill);
}

.field-input-wrap input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  padding: 0.7rem 0;
}

.field-suffix {
  color: var(--ink-tertiary);
  font-weight: 600;
}

.sheet-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: 0.35rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + var(--safe-bottom));
  z-index: 40;
  transform: translateX(-50%);
  max-width: calc(100% - 2rem);
  padding: 0.75rem 1.05rem;
  border-radius: 999px;
  background: rgba(0, 0, 80, 0.92);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  animation: toast-in 280ms var(--ease);
}

.toast[hidden] {
  display: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bump {
  0% {
    transform: scale(1);
  }
  35% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes fade-soft {
  0% {
    opacity: 1;
  }
  40% {
    opacity: 0.45;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes sheet-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translate(-50%, 8px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (min-width: 480px) {
  .app {
    gap: 2rem;
    padding-block: 2.75rem;
  }

  .sheet-backdrop {
    place-items: center;
  }

  .sheet {
    border-radius: 1.35rem;
    padding-bottom: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}