:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-hover: #fbfaf6;
  --ink: #1a1a1a;
  --ink-inverse: #ffffff;
  --ink-soft: #5a5a5a;
  --ink-faint: #9a9a9a;
  --line: #ececea;
  --accent: #2f7d5a;
  --accent-soft: #e6f0ea;
  --warn: #b25c2c;
  --warn-soft: #f3e6dc;
  --neutral-soft: #eef0f3;
  --neutral-soft-ink: #3a4a5a;
  --scrim: rgba(20, 20, 20, 0.28);
  --leaf-green: rgba(79, 158, 107, 0.85);
  --leaf-amber: rgba(201, 126, 58, 0.85);
  --smoke: rgba(80, 80, 80, 0.55);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 20, 0.04);
  --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme='dark'] {
  --bg: #16140f;
  --surface: #1f1d18;
  --surface-hover: #25231e;
  --ink: #f1ede3;
  --ink-inverse: #16140f;
  --ink-soft: #b3ab9a;
  --ink-faint: #76705f;
  --line: #2b2823;
  --accent: #6bbf95;
  --accent-soft: #1f3329;
  --warn: #d68259;
  --warn-soft: #3a2820;
  --neutral-soft: #25231e;
  --neutral-soft-ink: #b6c2cf;
  --scrim: rgba(0, 0, 0, 0.5);
  --leaf-green: rgba(122, 200, 148, 0.78);
  --leaf-amber: rgba(220, 158, 100, 0.78);
  --smoke: rgba(200, 200, 200, 0.45);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
}

html, body {
  transition: background-color 280ms var(--ease), color 280ms var(--ease);
}

* {
  box-sizing: border-box;
}

/* Force the HTML `[hidden]` attribute to win against author display rules
   (e.g., flex containers like .empty-state and #saved-content). */
[hidden] {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01', 'tnum';
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 480px;
  padding: 24px 20px 40px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(40px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  z-index: 1;
}

/* Ambient effect layer — sits behind the app, above the body background. */
.effect-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.effect-particle {
  position: absolute;
  opacity: 0;
  animation-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  animation-fill-mode: both;
  will-change: transform, opacity;
}

.effect-particle svg {
  width: 100%;
  height: 100%;
  display: block;
}

.effect-leaf-green,
.effect-leaf-amber {
  animation-name: blow-across;
}

.effect-smoke {
  bottom: 0;
  animation-name: rise-up;
}

.effect-leaf-green { color: var(--leaf-green); }
.effect-leaf-amber { color: var(--leaf-amber); }
.effect-smoke      { color: var(--smoke); filter: blur(2px); }

/* Leaves: enter from off-screen left, drift across the viewport, fall gently. */
@keyframes blow-across {
  0% {
    transform: translate(0, 0) rotate(var(--rot-start));
    opacity: 0;
  }
  10% { opacity: 0.15; }
  88% { opacity: 0.15; }
  100% {
    transform: translate(var(--drift-x), var(--drift-y)) rotate(var(--rot-end));
    opacity: 0;
  }
}

/* Smoke: rises from the bottom edge upward, growing and dispersing. */
@keyframes rise-up {
  0% {
    transform: translate(0, 10vh) scale(0.55);
    opacity: 0;
  }
  18% { opacity: 0.15; }
  85% { opacity: 0.15; }
  100% {
    transform: translate(var(--drift-x), -115vh) scale(1.5);
    opacity: 0;
  }
}

/* Header */
.app-header {
  padding: 4px 4px 0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease), transform 150ms var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.icon-button:hover {
  background: var(--surface-hover);
  border-color: var(--ink-faint);
}

.icon-button:active {
  transform: scale(0.94);
}

.icon-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
  color: var(--ink-soft);
}

.logo-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  stroke-width: 1.75;
}

.logo h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.tagline {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 400;
  letter-spacing: -0.005em;
}

/* Screen transitions */
.screen {
  display: none;
  opacity: 0;
}

.screen.active {
  display: block;
  opacity: 1;
  animation: screen-in 360ms var(--ease) both;
}

@keyframes screen-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Input card */
.input-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease);
}

.input-card:focus-within {
  border-color: var(--ink);
  box-shadow: var(--shadow-md);
}

.input-card label {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  cursor: text;
}

.label-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.label-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}

.label-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.label-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.label-hint {
  font-size: 12px;
  color: var(--ink-faint);
  font-weight: 400;
}

.input-card input {
  width: 96px;
  flex-shrink: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
  letter-spacing: -0.01em;
  padding: 0;
  font-variant-numeric: tabular-nums;
}

.input-card input::placeholder {
  color: var(--ink-faint);
  font-weight: 500;
}

.input-card input::-webkit-outer-spin-button,
.input-card input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.input-card input[type='number'] {
  -moz-appearance: textfield;
}

/* Buttons */
.primary-button {
  margin-top: 6px;
  width: 100%;
  height: 56px;
  border: none;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--ink-inverse);
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 150ms var(--ease), background 200ms var(--ease), box-shadow 200ms var(--ease);
  box-shadow: var(--shadow-sm);
  -webkit-tap-highlight-color: transparent;
}

.primary-button:hover {
  filter: brightness(1.1);
}

.primary-button:active {
  transform: scale(0.985);
}

.primary-button svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  transition: transform 200ms var(--ease);
}

.primary-button:hover svg {
  transform: translateX(2px);
}

.secondary-button {
  margin-top: 6px;
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease), transform 150ms var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.secondary-button:hover {
  background: var(--surface);
  border-color: var(--ink-faint);
}

.secondary-button:active {
  transform: scale(0.985);
}

.secondary-button svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
  color: var(--ink-soft);
}

/* Result cards */
.result-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(12px);
  animation: card-in 500ms var(--ease) forwards;
}

.result-card:nth-child(1) { animation-delay: 60ms; }
.result-card:nth-child(2) { animation-delay: 140ms; }
.result-card:nth-child(3) { animation-delay: 220ms; }

@keyframes card-in {
  to { opacity: 1; transform: translateY(0); }
}

.result-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.result-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.result-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
}

.result-cost .result-icon { background: var(--accent-soft); color: var(--accent); }
.result-fuel .result-icon { background: var(--neutral-soft); color: var(--neutral-soft-ink); }
.result-co2  .result-icon { background: var(--warn-soft); color: var(--warn); }

.result-header h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.result-value {
  margin: 0;
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.unit-prefix {
  font-size: 28px;
  font-weight: 500;
  color: var(--ink-soft);
}

.unit-suffix {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-left: 4px;
  letter-spacing: 0;
}

.result-sub {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--ink-faint);
  font-weight: 400;
}

/* ---------- Settings panel ---------- */
:root {
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);
  --panel-duration: 380ms;
}

body.no-scroll {
  overflow: hidden;
}

.settings-scrim {
  position: fixed;
  inset: 0;
  background: var(--scrim);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--panel-duration) var(--ease-inout);
  z-index: 40;
}

.settings-scrim.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Generic slide-in panel — used by both the settings panel and the vehicle
   editor. Each panel layers above the previous via its own z-index. */
.slide-panel {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 50;
  transform: translateX(100%);
  visibility: hidden;
  /* Block layout (not flex) — flex + overflow:auto eats the inner's
     padding-bottom in both Chrome and Safari, breaking scroll bottom-padding. */
  overflow-y: auto;
  transition:
    transform var(--panel-duration) var(--ease-inout),
    visibility 0s linear var(--panel-duration);
}

.slide-panel.is-open {
  transform: translateX(0);
  visibility: visible;
  transition:
    transform var(--panel-duration) var(--ease-inout),
    visibility 0s linear 0s;
}

/* The vehicle editor opens on top of the settings panel. */
.editor-panel { z-index: 60; }

.settings-inner {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;             /* horizontal centering, replaces flex+justify-content */
  padding: 20px;
  padding-top: max(20px, env(safe-area-inset-top));
  padding-bottom: max(64px, calc(env(safe-area-inset-bottom) + 32px));
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 4px 0;
}

.settings-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-group-label {
  margin: 0 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Segmented control — flex-based so it adapts to 2 or 3 segments. */
.segmented {
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.segmented-option {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 12px;
  padding: 12px 10px;
  font-family: inherit;
  color: var(--ink-soft);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
  transition: background 220ms var(--ease-inout), color 220ms var(--ease-inout), transform 150ms var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.segmented-option:active {
  transform: scale(0.97);
}

.segmented-option.is-active {
  background: var(--ink);
  color: var(--ink-inverse);
}

.segmented-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.segmented-hint {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.8;
}

/* Fuel type list */
.option-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  transition: border-color 200ms var(--ease-inout), background 200ms var(--ease-inout), transform 150ms var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.option-row:active {
  transform: scale(0.99);
}

.option-row.is-active {
  border-color: var(--ink);
  background: var(--surface-hover);
}

.option-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.option-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}

.option-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.option-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.option-tag {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: var(--line);
  padding: 2px 6px;
  border-radius: 999px;
}

.option-hint {
  font-size: 12px;
  color: var(--ink-faint);
}

.co2-number {
  font-variant-numeric: tabular-nums;
}

.co2-unit {
  transition: opacity 300ms var(--ease-inout);
}

.co2-unit.is-fading {
  opacity: 0;
}

.option-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  display: grid;
  place-items: center;
  color: transparent;
  background: transparent;
  flex-shrink: 0;
  transition: background 200ms var(--ease-inout), border-color 200ms var(--ease-inout), color 200ms var(--ease-inout);
}

.option-check svg {
  width: 12px;
  height: 12px;
}

.option-row.is-active .option-check {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ink-inverse);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  transition: background 200ms var(--ease-inout), border-color 200ms var(--ease-inout), transform 150ms var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:active {
  transform: scale(0.99);
}

.theme-toggle-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--neutral-soft);
  color: var(--neutral-soft-ink);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  position: relative;
}

.theme-toggle-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
  position: absolute;
  transition: opacity 240ms var(--ease-inout), transform 360ms var(--ease-inout);
}

.theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-60deg) scale(0.7); }

[data-theme='dark'] .theme-toggle .icon-sun { opacity: 0; transform: rotate(60deg) scale(0.7); }
[data-theme='dark'] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

.theme-toggle-label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.theme-toggle-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.theme-toggle-hint {
  font-size: 12px;
  color: var(--ink-faint);
}

.theme-toggle-switch {
  width: 42px;
  height: 24px;
  background: var(--line);
  border-radius: 999px;
  position: relative;
  transition: background 240ms var(--ease-inout);
  flex-shrink: 0;
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 280ms var(--ease-inout), background 240ms var(--ease-inout);
}

[data-theme='dark'] .theme-toggle-switch {
  background: var(--accent);
}

[data-theme='dark'] .theme-toggle-thumb {
  transform: translateX(18px);
}

/* Home-screen mode toggle: slightly more prominent than the in-settings segmented. */
.home-mode {
  margin-bottom: 14px;
}

.home-mode .segmented-title {
  font-size: 14px;
}


/* Tag-grouped sections (used wherever we need a labeled chunk of UI, like
   "Driving Style" or "Your Vehicle"). */
.tag-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setting-tag {
  margin: 0 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Empty state (no saved vehicles) */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 48px 24px;
  text-align: center;
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink-faint);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  margin-bottom: 4px;
}

.empty-state-icon svg {
  width: 28px;
  height: 28px;
}

.empty-title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.empty-hint {
  margin: 0;
  font-size: 13px;
  color: var(--ink-faint);
}

#saved-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Settings — saved-vehicle list rows */
.vehicle-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vehicle-row {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.vehicle-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.vehicle-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vehicle-meta {
  font-size: 12px;
  color: var(--ink-faint);
}

.vehicle-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.icon-button-sm {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 200ms var(--ease-inout), color 200ms var(--ease-inout), border-color 200ms var(--ease-inout);
  -webkit-tap-highlight-color: transparent;
}

.icon-button-sm svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.75;
}

.icon-button-sm:hover {
  background: var(--surface-hover);
  color: var(--ink);
}

.icon-button-sm.danger:hover {
  color: var(--warn);
  border-color: var(--warn);
  background: var(--warn-soft);
}

/* Field-card: stacked label/input layout used inside the vehicle editor. */
.field-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 12px 16px 14px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 200ms var(--ease);
}

.field-card:focus-within {
  border-color: var(--ink);
}

.field-card label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.field-card .field-hint {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-faint);
  font-weight: 400;
  font-size: 12px;
}

.field-card input {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  outline: none;
  padding: 0;
  width: 100%;
  letter-spacing: -0.005em;
}

.field-card input::placeholder {
  color: var(--ink-faint);
  font-weight: 400;
}

.field-card input::-webkit-outer-spin-button,
.field-card input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.field-card input[type='number'] {
  -moz-appearance: textfield;
}

/* ---------- Confirmation modal ---------- */
.confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--scrim);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-inout);
}

.confirm-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.confirm-modal.is-closing {
  opacity: 0;
}

.confirm-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
  /* Hidden by default — the animation rules below define the visible end state. */
  opacity: 0;
}

.confirm-modal.is-open .confirm-card {
  animation: confirm-in 300ms var(--ease-inout) forwards;
}

.confirm-modal.is-closing .confirm-card {
  animation: confirm-out 300ms var(--ease-inout) forwards;
}

@keyframes confirm-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes confirm-out {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.94); }
}

.confirm-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.confirm-message {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.45;
}

.confirm-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.confirm-actions button {
  flex: 1;
  margin-top: 0;
  height: 48px;
}

.primary-button.danger {
  background: var(--warn);
  color: #fff;
}

.primary-button.danger:hover {
  filter: brightness(1.05);
}

.secondary-button.danger {
  color: var(--warn);
}

.secondary-button.danger:hover {
  background: var(--warn-soft);
  border-color: var(--warn);
}

.secondary-button.danger svg { color: var(--warn); }

.settings-footnote {
  margin: 4px 4px 0;
  font-size: 12px;
  color: var(--ink-faint);
  text-align: center;
}

@media (max-width: 360px) {
  .input-card input { width: 80px; font-size: 18px; }
  .result-value { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}