/* ============================================================
   발표시간 계산기 전용 스타일
   (색상·간격·카드 등 공통 토큰은 common.css 재사용)
   - 이 도구만의 모티프: 스톱워치 눈금을 닮은 "타임라인 눈금" 배경
   ============================================================ */

/* ---- 도구 페이지 도입부 — 타임라인 눈금 배경 ----
   가로 기준선 하나 + 일정 간격의 세로 눈금. 5칸마다 굵은 눈금을 두어
   시계 문자판/줄자의 리듬을 만든다. */
.tempo-lines { position: relative; overflow: hidden; }
.tempo-lines > * { position: relative; }
.tempo-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    /* 하단 기준선 */
    linear-gradient(180deg, transparent calc(100% - 25px), var(--color-grid-strong) calc(100% - 25px), var(--color-grid-strong) calc(100% - 23px), transparent calc(100% - 23px)),
    /* 굵은 눈금(5칸마다) */
    repeating-linear-gradient(90deg, transparent 0, transparent 118px, var(--color-grid-strong) 118px, var(--color-grid-strong) 120px),
    /* 가는 눈금 */
    repeating-linear-gradient(90deg, transparent 0, transparent 23px, var(--color-grid) 23px, var(--color-grid) 24px);
  background-size: 100% 100%, 100% 44px, 100% 22px;
  background-position: 0 0, left bottom, left bottom;
  background-repeat: no-repeat, repeat-x, repeat-x;
  opacity: .55;
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.6), transparent 62%);
          mask-image: linear-gradient(115deg, rgba(0,0,0,.6), transparent 62%);
  pointer-events: none;
}

.tool-intro {
  padding: var(--space-6) 0 var(--space-5);
  margin-bottom: var(--space-5);
}
.tool-intro h1 {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -.02em;
}
.tool-intro .lead { max-width: 54ch; }

.lead {
  color: var(--color-text-sub);
  margin: var(--space-2) 0 var(--space-2);
  max-width: 60ch;
  font-size: 1.02rem;
}
.lead-note {
  color: var(--color-text-sub);
  font-size: .85rem;
  opacity: .85;
  margin: 0 0 var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ---- 입력 | 결과 2단 레이아웃 ---- */
.st-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 760px) {
  .st-grid { grid-template-columns: 1fr; }
}

.input-card { display: flex; flex-direction: column; gap: var(--space-3); }
#scriptText {
  width: 100%;
  min-height: 320px;
  resize: vertical;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  line-height: 1.8;
}
#scriptText:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

/* ---- 컨트롤 줄 ---- */
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}
.controls-hint { font-size: .85rem; color: var(--color-text-sub); }
.controls-actions { display: inline-flex; gap: var(--space-2); }

/* ---- 목표 시간 트래커 ---- */
.goal-box {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
}
.goal-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}
.goal-title { font-size: .9rem; font-weight: 600; color: var(--color-text-sub); }
.goal-set { display: inline-flex; align-items: center; gap: 6px; }
.goal-set input {
  width: 64px;
  padding: 5px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.goal-unit { font-size: .9rem; color: var(--color-text-sub); }
.goal-hint { font-size: .8rem; color: var(--color-text-sub); opacity: .8; }
.goal-bar {
  margin: var(--space-3) 0 var(--space-2);
  height: 10px;
  border-radius: 999px;
  background: var(--color-primary-weak);
  overflow: hidden;
}
.goal-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--color-primary);
  transition: width .18s ease, background-color .18s ease;
}
.goal-box.is-over .goal-fill { background: #b3261e; }
.goal-status { margin: 0; font-size: .85rem; color: var(--color-text-sub); }
.goal-status b { color: var(--color-text); font-variant-numeric: tabular-nums; }
.goal-status.is-over b { color: #b3261e; }
:root[data-theme="dark"] .goal-box.is-over .goal-fill { background: #e0574a; }
:root[data-theme="dark"] .goal-status.is-over b { color: #f0857a; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .goal-box.is-over .goal-fill { background: #e0574a; }
  :root:not([data-theme="light"]) .goal-status.is-over b { color: #f0857a; }
}

/* ---- 결과 패널 ---- */
.stat-panel {
  padding: var(--space-4);
  position: sticky;
  top: var(--space-4);
}
@media (max-width: 760px) {
  .stat-panel { position: static; }
}
.stat-hero {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}
.stat-hero-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 7vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.stat-hero-name {
  display: block;
  margin-top: 4px;
  font-size: .82rem;
  color: var(--color-text-sub);
}

/* ---- 속도 설정 ---- */
.speed-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2);
}
.speed-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.speed-label { font-size: .86rem; font-weight: 600; color: var(--color-text-sub); }
.speed-val { font-size: .86rem; color: var(--color-text-sub); }
.speed-val b { font-size: 1.02rem; color: var(--color-text); font-variant-numeric: tabular-nums; }
.speed-presets { display: flex; gap: 6px; }
.preset {
  flex: 1;
  font: inherit;
  font-size: .84rem;
  padding: 6px 4px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-sub);
  cursor: pointer;
  white-space: nowrap;
}
.preset:hover { border-color: var(--color-primary); }
.preset.is-active {
  background: var(--color-primary-weak);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
#cpmRange {
  width: 100%;
  accent-color: var(--color-primary);
  margin: 2px 0;
}
.btn-measure { width: 100%; font-size: .92rem; }
.my-speed-badge {
  margin: 0;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.badge-off {
  font: inherit;
  font-size: .76rem;
  font-weight: 400;
  padding: 1px 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-sub);
  cursor: pointer;
}
.badge-off:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pause-opt {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .82rem;
  color: var(--color-text-sub);
  cursor: pointer;
  user-select: none;
}
.pause-opt input { accent-color: var(--color-primary); margin: 0; }
.pause-note { opacity: .75; }

.stat-list { list-style: none; margin: 0; padding: 0; }
.stat-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  padding: 7px 0;
  border-bottom: 1px dashed var(--color-border);
}
.stat-list li:last-child { border-bottom: 0; }
.stat-name { color: var(--color-text-sub); font-size: .86rem; }
.stat-name em { font-style: normal; opacity: .7; font-size: .78rem; }
.stat-val { white-space: nowrap; color: var(--color-text-sub); font-size: .86rem; }
.stat-val b {
  font-size: 1.05rem;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

/* ---- 속도 측정 다이얼로그 ---- */
#measureDlg {
  width: min(680px, calc(100vw - 32px));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-5);
  box-shadow: var(--shadow);
}
#measureDlg::backdrop { background: rgba(20, 15, 8, .55); }
.md-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.md-head h2 { margin: 0; font-size: 1.3rem; }
.md-close { font-size: .85rem; padding: 5px 12px; }
.md-guide { margin: 0 0 var(--space-4); padding-left: 1.3em; }
.md-guide li { margin-bottom: var(--space-2); }
.md-note {
  font-size: .85rem;
  color: var(--color-text-sub);
  background: var(--color-primary-weak);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin: 0 0 var(--space-4);
}
.md-start { width: 100%; font-size: 1rem; padding: var(--space-3); }

/* 낭독 화면: 큰 타이머 + 스크립트 */
.md-timer {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-3);
}
.md-script {
  max-height: 46vh;
  overflow-y: auto;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 1.12rem;
  line-height: 2;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.md-done { display: block; margin: var(--space-3) auto 0; }

/* 마지막 단어 선택 화면 */
.md-prompt { margin: 0 0 var(--space-3); font-size: .95rem; }
.md-script.is-pickable .w {
  cursor: pointer;
  border-radius: 3px;
  padding: 0 1px;
}
.md-script.is-pickable .w:hover {
  background: var(--color-primary-weak);
  color: var(--color-primary);
}
/* 클릭한 단어까지 읽은 범위를 표시 */
.md-script .w.is-read {
  background: var(--color-primary-weak);
}

/* 결과 화면 */
.md-result-num {
  margin: var(--space-2) 0;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  text-align: center;
}
.md-result-num b {
  font-size: 2.4rem;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.md-result-desc {
  margin: 0 0 var(--space-4);
  text-align: center;
  color: var(--color-text-sub);
  font-size: .92rem;
}
.md-actions { display: flex; gap: var(--space-2); justify-content: center; }

/* ---- 설명/FAQ 본문 ---- */
.prose { margin-top: var(--space-6); }
.prose h2 { margin-bottom: var(--space-3); }
.prose h3 { margin: var(--space-4) 0 var(--space-2); font-size: 1.05rem; }
.prose p, .prose li { color: var(--color-text); }
.prose em { color: var(--color-primary); font-style: normal; font-weight: 600; }
.prose ol, .prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: var(--space-2); }
.prose details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
}
.prose summary { cursor: pointer; font-weight: 600; }
.prose details[open] summary { margin-bottom: var(--space-2); }
.prose details p { margin: 0; color: var(--color-text-sub); }

@media (max-width: 480px) {
  .stat-val b { font-size: 1rem; }
  #measureDlg { padding: var(--space-4); }
}