/* 글꼴 시험대의 꾸미기 대화상자(font-customizer.js). 데스크톱은 가운데 큰 판(왼쪽 조작 ·
 * 오른쪽 미리보기와 결과, 단마다 따로 스크롤), 좁은 화면은 전체 화면 시트(미리보기가 위에
 * 붙어 있고 조작·결과가 아래로 이어진다). site.css의 토큰(--k-*)을 쓴다. */

html.kku-open {
  overflow: hidden;
}

.kku {
  inline-size: min(1240px, calc(100vw - 32px));
  max-inline-size: none;
  block-size: min(900px, calc(100dvh - 32px));
  max-block-size: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1.5px solid var(--k-ink);
  border-radius: 6px;
  background: var(--k-paper);
  color: var(--k-ink);
  box-shadow: 10px 10px 0 var(--k-ink);
}

.kku::backdrop {
  background: rgb(20 20 20 / 45%);
}

.kku-sheet {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  block-size: 100%;
}

.kku-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1.5px solid var(--k-ink);
  background-color: var(--k-paper);
  background-image:
    linear-gradient(var(--k-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--k-grid) 1px, transparent 1px);
  background-size: 28px 28px;
}

.kku-kicker {
  margin: 0;
  color: var(--k-red);
  font-size: 0.8rem;
  font-weight: 750;
}

.kku-head h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.3;
}

.kku-close {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-block-size: 2.4rem;
  padding: 0.3rem 0.95rem;
  border: 1.5px solid var(--k-ink);
  border-radius: 999px;
  background: var(--k-paper);
  color: var(--k-ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.kku-body {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  min-block-size: 0;
}

.kku-controls,
.kku-main {
  min-block-size: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

.kku-controls {
  display: grid;
  align-content: start;
  border-inline-end: 1px solid var(--k-line);
  background: var(--k-paper-2);
}

.kku-main {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 1.1rem 1.25rem 1.5rem;
}

/* ── 조작 ── */
.kku-group {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 1rem 1.15rem;
  border: 0;
  border-bottom: 1px solid var(--k-line);
  min-inline-size: 0;
}

.kku-group legend {
  float: left;
  inline-size: 100%;
  margin-block-end: 0.15rem;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 800;
}

.kku-group legend + * {
  clear: both;
}

.kku-group > .k-btn {
  justify-self: start;
}

.kku-field {
  display: grid;
  gap: 0.3rem;
  font-size: 0.86rem;
  font-weight: 650;
}

.kku-field > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.kku-field output {
  color: var(--k-muted);
  font-family: var(--k-mono);
  font-size: 0.78rem;
  font-weight: 500;
}

.kku-field--color {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.kku-field select,
.kku-text {
  min-block-size: 2.3rem;
  padding: 0 0.7rem;
  border: 1.2px solid var(--k-ink);
  border-radius: 8px;
  background: var(--k-paper);
  color: var(--k-ink);
  font: inherit;
  font-weight: 500;
}

.kku-text {
  font-family: var(--k-mono);
  font-size: 0.86rem;
}

.kku-field input[type="range"] {
  inline-size: 100%;
  accent-color: var(--k-red);
}

.kku input[type="color"] {
  inline-size: 2.6rem;
  block-size: 2rem;
  padding: 0.12rem;
  border: 1.2px solid var(--k-ink);
  border-radius: 6px;
  background: var(--k-paper);
  cursor: pointer;
}

.kku-hint {
  margin: 0;
  color: var(--k-muted);
  font-size: 0.8rem;
  line-height: 1.55;
}

.kku-hint:empty {
  display: none;
}

/* ── 변주(씨앗) ── */
.kku-switch {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.86rem;
  font-weight: 650;
  cursor: pointer;
}

.kku-switch input {
  flex: none;
  inline-size: 1.05rem;
  block-size: 1.05rem;
  margin: 0.1rem 0 0;
  accent-color: var(--k-red);
}

.kku-vary-body {
  display: grid;
  gap: 0.6rem;
}

.kku-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.kku-modes label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border: 1.2px solid var(--k-line);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
}

.kku-modes label:has(input:checked) {
  border-color: var(--k-ink);
  background: var(--k-ink);
  color: var(--k-paper);
}

.kku-modes input {
  accent-color: var(--k-red);
}

.kku-seed-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.5rem;
}

.kku-seed-row > .k-btn {
  min-block-size: 2.3rem;
}

.kku-seed-row:has(> [hidden]) {
  grid-template-columns: auto;
  justify-content: start;
}

.kku-field input[type="range"]:disabled {
  opacity: 0.4;
}

.kku-draw-no code {
  color: var(--k-ink);
}

.kku-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.kku-presets button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-block-size: 2rem;
  padding: 0.2rem 0.65rem 0.2rem 0.4rem;
  border: 1px solid var(--k-line);
  border-radius: 999px;
  background: var(--k-paper);
  color: var(--k-ink-2);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
}

.kku-presets button:hover {
  border-color: var(--k-ink);
}

.kku-swatches {
  display: inline-flex;
}

.kku-swatches i {
  inline-size: 0.8rem;
  block-size: 0.8rem;
  border: 1.5px solid var(--k-paper);
  border-radius: 50%;
}

.kku-swatches i + i {
  margin-inline-start: -0.3rem;
}

.kku-colors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.kku-color {
  display: grid;
  justify-items: start;
  gap: 0.3rem;
  font-size: 0.84rem;
  font-weight: 650;
}

.kku-color label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.kku-color input[type="checkbox"] {
  accent-color: var(--k-red);
}

/* ── 미리보기 ── */
.kku-preview {
  display: grid;
  gap: 0.75rem;
}

.kku-preview-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.kku-preview-tools .k-input {
  flex: 1 1 12rem;
  min-inline-size: 0;
}

.kku-stage {
  position: relative;
  margin: 0;
  min-block-size: 12rem;
  padding: 2rem 1.25rem 2.4rem;
}

.kku-stage--base {
  min-block-size: 6rem;
  padding-block: 1.6rem 2.2rem;
}

.kku-label {
  position: absolute;
  inset-inline-start: 0.75rem;
  inset-block-end: 0.5rem;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: rgb(255 255 255 / 82%);
  color: var(--k-ink-2);
  font-size: 0.74rem;
  font-weight: 650;
}

.kku-label code {
  padding: 0;
  background: none;
  font-size: 0.95em;
}

/* ── 결과 ── */
.kku-output {
  display: grid;
  gap: 0.75rem;
}

.kku-code {
  max-block-size: 20rem;
  overflow: auto;
}

.kku-code code {
  white-space: pre-wrap;
  word-break: break-all;
}

.kku-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.kku-output .k-note {
  margin: 0;
  font-size: 0.84rem;
}

.kku :is(button, select, input, a):focus-visible {
  outline: 3px solid var(--k-yellow);
  outline-offset: 2px;
}

/* ── 좁은 화면: 전체 화면 시트 ── */
@media (max-width: 760px) {
  .kku {
    inline-size: 100vw;
    block-size: 100dvh;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .kku-head {
    padding: 0.6rem 16px;
  }

  .kku-head h2 {
    font-size: 1.1rem;
  }

  .kku-body {
    display: flex;
    flex-direction: column;
    overflow: auto;
    overscroll-behavior: contain;
  }

  .kku-main {
    display: contents;
  }

  /* 한 줄로 쌓은 단들은 줄어들지 않고 시트가 스크롤한다 */
  .kku-controls,
  .kku-preview,
  .kku-output {
    flex: none;
  }

  .kku-controls {
    order: 1;
    overflow: visible;
    border-inline-end: 0;
  }

  .kku-group {
    padding-inline: 16px;
  }

  /* 미리보기는 위에 붙어 조작하는 동안 계속 보인다 */
  .kku-preview {
    order: 0;
    position: sticky;
    top: 0;
    z-index: 2;
    gap: 0.5rem;
    padding: 0.6rem 16px;
    border-bottom: 1.5px solid var(--k-ink);
    background: var(--k-paper);
  }

  .kku-preview-tools {
    gap: 0.4rem;
  }

  .kku-preview-tools .k-input {
    flex-basis: 100%;
    min-block-size: 2.3rem;
  }

  .kku-preview-tools .k-chips button {
    min-block-size: 2rem;
    padding: 0.2rem 0.7rem;
    font-size: 0.8rem;
  }

  .kku-stage {
    min-block-size: 6.5rem;
    padding: 1rem 0.75rem 1.7rem;
  }

  .kku-stage--base {
    min-block-size: 3.5rem;
    padding-block: 0.6rem 1.5rem;
  }

  .kku-output {
    order: 2;
    padding: 1rem 16px 1.5rem;
  }
}