/* AU Life Tools — every selector is scoped under .ault-root to avoid theme conflicts. */

.ault-root {
  --ault-bg: #ffffff;
  --ault-surface: #f6f7f9;
  --ault-border: #d5d9e0;
  --ault-text: #1d2330;
  --ault-muted: #5b6475;
  --ault-accent: #0b6e4f;
  --ault-accent-text: #ffffff;
  --ault-accent-soft: #e3f3ec;
  --ault-tax: #c2572b;
  --ault-warn-bg: #fff4e0;
  --ault-warn-border: #e5a33a;
  --ault-err: #b3261e;
  --ault-err-bg: #fdecea;
  --ault-ok-bg: #e7f5ee;
  --ault-radius: 10px;
  --ault-gap: 14px;

  box-sizing: border-box;
  max-width: 760px;
  margin: 24px auto;
  padding: 18px;
  background: var(--ault-bg);
  color: var(--ault-text);
  border: 1px solid var(--ault-border);
  border-radius: var(--ault-radius);
  font-size: 16px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

@media (prefers-color-scheme: dark) {
  .ault-root {
    --ault-bg: #161a21;
    --ault-surface: #1f2530;
    --ault-border: #353d4b;
    --ault-text: #e8ebf0;
    --ault-muted: #a3acbb;
    --ault-accent: #3fbf8f;
    --ault-accent-text: #0d1a14;
    --ault-accent-soft: #173a2d;
    --ault-tax: #ef8a5c;
    --ault-warn-bg: #3a2e14;
    --ault-warn-border: #b98a2c;
    --ault-err: #ff8a80;
    --ault-err-bg: #3b1d1b;
    --ault-ok-bg: #16322a;
  }
}

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

.ault-root [hidden] {
  display: none !important;
}

.ault-root .ault-form {
  display: grid;
  gap: var(--ault-gap);
}

.ault-root .ault-grid-2,
.ault-root .ault-grid-3 {
  display: grid;
  gap: var(--ault-gap);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ault-root .ault-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ault-root .ault-inline {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.ault-root .ault-inline > .ault-field {
  flex: 1 1 200px;
}

.ault-root .ault-field {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.ault-root .ault-label,
.ault-root legend.ault-label {
  font-weight: 600;
  font-size: 0.95em;
  padding: 0;
}

.ault-root .ault-input {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  font: inherit;
  color: var(--ault-text);
  background: var(--ault-bg);
  border: 1px solid var(--ault-border);
  border-radius: 8px;
  margin: 0;
}

.ault-root .ault-input:focus-visible,
.ault-root .ault-btn:focus-visible,
.ault-root .ault-tab:focus-visible,
.ault-root .ault-btn-link:focus-visible,
.ault-root input[type='checkbox']:focus-visible,
.ault-root input[type='radio']:focus-visible {
  outline: 3px solid var(--ault-accent);
  outline-offset: 2px;
}

.ault-root .ault-has-error .ault-input {
  border-color: var(--ault-err);
}

.ault-root .ault-field-error {
  color: var(--ault-err);
  font-size: 0.9em;
  margin: 0;
}

.ault-root .ault-hint,
.ault-root .ault-note,
.ault-root .ault-basis,
.ault-root .ault-disclaimer {
  color: var(--ault-muted);
  font-size: 0.9em;
  margin: 0;
}

.ault-root ul.ault-hint {
  padding-left: 1.2em;
}

.ault-root .ault-disclaimer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--ault-border);
}

.ault-root .ault-fieldset,
.ault-root .ault-radios {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
  display: grid;
  gap: 8px;
}

.ault-root .ault-radios {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.ault-root .ault-radios > legend {
  margin-bottom: 6px;
}

.ault-root .ault-radio,
.ault-root .ault-check {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 10px;
  border: 1px solid var(--ault-border);
  border-radius: 8px;
  background: var(--ault-surface);
  cursor: pointer;
}

.ault-root .ault-check {
  border: 0;
  background: transparent;
  padding: 0;
}

.ault-root .ault-radio input,
.ault-root .ault-check input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex: none;
  accent-color: var(--ault-accent);
}

.ault-root .ault-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.ault-root .ault-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 22px;
  font: inherit;
  font-weight: 700;
  color: var(--ault-accent-text);
  background: var(--ault-accent);
  border: 1px solid var(--ault-accent);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}

.ault-root .ault-btn-secondary {
  color: var(--ault-accent);
  background: transparent;
  font-weight: 600;
}

.ault-root .ault-btn-link {
  font: inherit;
  font-size: 0.9em;
  color: var(--ault-err);
  background: none;
  border: 0;
  padding: 6px;
  cursor: pointer;
  text-decoration: underline;
}

/* Results: min-height keeps a >=150px buffer below the calculate button (ad-free zone). */
.ault-root .ault-result {
  min-height: 150px;
  margin-top: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.ault-root .ault-headline {
  padding: 14px 16px;
  border-radius: var(--ault-radius);
  background: var(--ault-accent-soft);
}

.ault-root .ault-headline p {
  margin: 0;
}

.ault-root .ault-headline-label {
  font-size: 0.95em;
  color: var(--ault-muted);
}

.ault-root .ault-headline-value {
  font-size: 1.9em;
  font-weight: 800;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.ault-root .ault-negative {
  background: var(--ault-err-bg);
}

.ault-root .ault-stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ault-root .ault-stat {
  display: grid;
  padding: 10px 12px;
  background: var(--ault-surface);
  border-radius: 8px;
}

.ault-root .ault-stat-label {
  font-size: 0.85em;
  color: var(--ault-muted);
}

.ault-root .ault-stat-value {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ault-root .ault-bar,
.ault-root .ault-progress {
  display: flex;
  height: 14px;
  border-radius: 7px;
  overflow: hidden;
  background: var(--ault-surface);
  border: 1px solid var(--ault-border);
}

.ault-root .ault-bar-net,
.ault-root .ault-progress-fill {
  background: var(--ault-accent);
}

.ault-root .ault-bar-tax {
  background: var(--ault-tax);
}

.ault-root .ault-bar-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.9em;
}

.ault-root .ault-key::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
}

.ault-root .ault-key-net::before {
  background: var(--ault-accent);
}

.ault-root .ault-key-tax::before {
  background: var(--ault-tax);
}

.ault-root table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.ault-root th,
.ault-root td {
  padding: 8px 6px;
  border: 0;
  border-bottom: 1px solid var(--ault-border);
  text-align: left;
  font-weight: normal;
  background: transparent;
}

.ault-root thead th {
  font-weight: 600;
  font-size: 0.9em;
  color: var(--ault-muted);
}

.ault-root .ault-kv td,
.ault-root .ault-num {
  text-align: right;
}

.ault-root .ault-row-total th,
.ault-root .ault-row-total td {
  font-weight: 800;
  border-bottom: 0;
}

.ault-root .ault-row-sub th,
.ault-root .ault-row-sub td {
  font-weight: 600;
}

.ault-root .ault-table-wrap {
  overflow-x: auto;
}

.ault-root .ault-notice {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--ault-warn-border);
  background: var(--ault-warn-bg);
}

.ault-root .ault-notice p,
.ault-root .ault-notice ul {
  margin: 0 0 6px;
}

.ault-root .ault-notice ul {
  padding-left: 1.2em;
}

.ault-root .ault-notice-error {
  border-color: var(--ault-err);
  background: var(--ault-err-bg);
  color: var(--ault-err);
}

.ault-root .ault-notice-ok {
  border-color: var(--ault-accent);
  background: var(--ault-ok-bg);
}

.ault-root .ault-badge {
  display: inline-block;
  padding: 2px 8px;
  margin-bottom: 6px;
  border-radius: 999px;
  font-size: 0.8em;
  font-weight: 700;
  color: #5a3b00;
  background: #ffd98a;
}

.ault-root .ault-link {
  color: var(--ault-accent);
  text-decoration: underline;
}

.ault-root .ault-links {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 4px;
}

.ault-root .ault-subpanel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ault-border);
  border-radius: var(--ault-radius);
  background: var(--ault-surface);
}

.ault-root details.ault-subpanel > summary {
  cursor: pointer;
  font-weight: 600;
}

.ault-root .ault-h {
  font-size: 1.05em;
  margin: 6px 0 0;
}

.ault-root .ault-strong {
  font-weight: 700;
  margin: 0;
}

/* Language switch (한국어 | English) */
.ault-root .ault-langswitch {
  display: flex;
  justify-content: flex-end;
  gap: 0;
  margin: -4px 0 14px;
}

.ault-root .ault-langswitch-btn {
  min-height: 36px;
  padding: 6px 12px;
  font: inherit;
  font-size: 0.9em;
  font-weight: 600;
  color: var(--ault-muted);
  background: transparent;
  border: 1px solid var(--ault-border);
  cursor: pointer;
}

.ault-root .ault-langswitch-btn:first-child {
  border-radius: 999px 0 0 999px;
}

.ault-root .ault-langswitch-btn:last-child {
  border-radius: 0 999px 999px 0;
}

.ault-root .ault-langswitch-btn + .ault-langswitch-btn {
  border-left: 0;
}

.ault-root .ault-langswitch-btn[aria-pressed='true'] {
  color: var(--ault-accent-text);
  background: var(--ault-accent);
  border-color: var(--ault-accent);
}

.ault-root .ault-langswitch-btn:focus-visible {
  outline: 3px solid var(--ault-accent);
  outline-offset: 2px;
}

/* Tabs */
.ault-root .ault-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--ault-border);
  margin-bottom: 16px;
}

.ault-root .ault-tab {
  flex: 1 1 0;
  min-height: 44px;
  padding: 8px 10px;
  font: inherit;
  font-weight: 600;
  color: var(--ault-muted);
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  cursor: pointer;
}

.ault-root .ault-tab[aria-selected='true'] {
  color: var(--ault-text);
  border-bottom-color: var(--ault-accent);
}

/* Specified work records */
.ault-root .ault-records {
  display: grid;
  gap: 12px;
}

.ault-root .ault-record {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ault-border);
  border-radius: var(--ault-radius);
  background: var(--ault-surface);
}

.ault-root .ault-record-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ault-root .ault-record-no {
  font-weight: 700;
}

.ault-root .ault-credited {
  flex: 1;
  color: var(--ault-accent);
  font-weight: 600;
}

.ault-root .ault-empty {
  color: var(--ault-muted);
  margin: 0;
}

.ault-root .ault-io label.ault-btn {
  margin: 0;
}

.ault-root .ault-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Hub */
.ault-root.ault-hub {
  max-width: 960px;
}

.ault-root .ault-hub-cat {
  margin: 0 0 18px;
}

.ault-root .ault-hub-cat h3 {
  margin: 0 0 10px;
  font-size: 1.05em;
}

.ault-root .ault-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.ault-root .ault-card {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--ault-border);
  border-radius: var(--ault-radius);
  background: var(--ault-surface);
}

.ault-root .ault-card h4 {
  margin: 0;
  font-size: 1em;
}

.ault-root .ault-card p {
  margin: 0;
  color: var(--ault-muted);
  font-size: 0.92em;
}

.ault-root .ault-card a {
  color: var(--ault-accent);
  font-weight: 700;
}

/* Guide (explanation, examples, FAQ, sources) — reads as article text, so it inherits the theme's colours. */
.ault-root.ault-guide {
  /* Translucent tokens so the guide reads well on both light and dark themes,
     independent of the visitor's OS colour scheme. */
  --ault-border: rgba(128, 128, 128, 0.35);
  --ault-warn-bg: rgba(229, 163, 58, 0.14);
  --ault-warn-border: rgba(229, 163, 58, 0.8);
  container-type: inline-size;
  max-width: 760px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.ault-root.ault-guide .ault-notice {
  color: inherit;
  margin: 0 0 16px;
}

.ault-root.ault-guide .ault-guide-sec {
  margin: 0 0 28px;
}

.ault-root.ault-guide h2 {
  font-size: 1.3em;
  line-height: 1.35;
  margin: 0 0 12px;
}

.ault-root.ault-guide p {
  margin: 0 0 12px;
}

.ault-root.ault-guide .ault-table-wrap {
  margin: 4px 0 16px;
}

.ault-root.ault-guide caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  padding: 0 0 6px;
}

.ault-root.ault-guide table {
  font-size: 0.95em;
}

.ault-root.ault-guide th,
.ault-root.ault-guide td {
  color: inherit;
  white-space: nowrap;
}

.ault-root.ault-guide thead th,
.ault-root.ault-guide caption {
  white-space: normal;
}

.ault-root.ault-guide tbody th {
  white-space: normal;
  min-width: 9em;
}

.ault-root.ault-guide details {
  border-bottom: 1px solid var(--ault-border);
  padding: 10px 0;
}

.ault-root.ault-guide summary {
  cursor: pointer;
  font-weight: 600;
}

.ault-root.ault-guide details p {
  margin: 8px 0 0;
}

.ault-root.ault-guide .ault-basis {
  color: inherit;
  opacity: 0.75;
}

.ault-root.ault-guide .ault-link,
.ault-root.ault-guide a {
  color: inherit;
  text-decoration: underline;
}

/* Narrow article column (whatever the viewport says): tables with 3+ columns become one card per row. */
@container (max-width: 560px) {
  .ault-guide-sec table.ault-stack,
  .ault-guide-sec table.ault-stack caption,
  .ault-guide-sec table.ault-stack tbody,
  .ault-guide-sec table.ault-stack tr,
  .ault-guide-sec table.ault-stack th,
  .ault-guide-sec table.ault-stack td {
    display: block;
    width: auto;
    min-width: 0;
  }

  .ault-guide-sec table.ault-stack thead {
    display: none;
  }

  .ault-guide-sec table.ault-stack tr {
    padding: 10px 0;
    border-bottom: 1px solid var(--ault-border);
  }

  .ault-guide-sec table.ault-stack th,
  .ault-guide-sec table.ault-stack td {
    border: 0;
    padding: 2px 0;
    white-space: normal;
  }

  .ault-guide-sec table.ault-stack tbody th {
    font-weight: 700;
    margin-bottom: 4px;
  }

  .ault-guide-sec table.ault-stack td {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    text-align: right;
  }

  .ault-guide-sec table.ault-stack td::before {
    content: attr(data-label);
    text-align: left;
    opacity: 0.75;
  }
}

@media (max-width: 560px) {
  .ault-root {
    padding: 14px 12px;
    margin: 16px 0;
  }

  .ault-root .ault-grid-2,
  .ault-root .ault-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .ault-root .ault-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .ault-root .ault-headline-value {
    font-size: 1.6em;
  }

  .ault-root .ault-btn {
    width: 100%;
  }

  .ault-root .ault-inline > .ault-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .ault-root .ault-progress-fill,
  .ault-root .ault-bar span {
    transition: width 0.3s ease;
  }
}