:root {
  --fg: #1c2430; --muted: #6b7684; --line: #dfe5ec; --bg: #fff; --accent: #2f6f4f;
  --ok: #2f6f4f; --mid: #b07a12; --bad: #b0342c;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--fg); background: var(--bg);
  font: 16px/1.6 -apple-system, "Noto Sans KR", "Segoe UI", sans-serif;
}
main { max-width: 900px; margin: 0 auto; padding: 24px 16px 80px; }
h1 { font-size: 24px; margin: 8px 0 4px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
a { color: var(--accent); }
code { background: #f1f4f8; padding: 0 4px; border-radius: 3px; font-size: 13px; }
pre { background: #f7f9fc; padding: 10px; overflow-x: auto; border-radius: 6px; }

.topbar {
  display: flex; align-items: center; gap: 20px; padding: 10px 16px;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; z-index: 5;
}
.brand { font-weight: 700; text-decoration: none; }
.topbar nav { display: flex; gap: 14px; font-size: 14px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.warn { color: #8a5a00; }
.err, .err-panel { color: var(--bad); }
.full { width: 100%; display: block; margin: 6px 0; }
.tag { font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px;
  background: #fff; color: var(--fg); cursor: pointer; font-size: 14px; text-decoration: none;
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.small { padding: 3px 9px; font-size: 13px; }

table.list, table.items { width: 100%; border-collapse: collapse; margin: 8px 0; }
table.list th, table.items th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; }
table.list td, table.list th, table.items td, table.items th {
  border-bottom: 1px solid var(--line); padding: 7px 6px; vertical-align: top;
}
.row-todo { background: #fffaf0; }

.search { display: flex; gap: 6px; margin: 12px 0; flex-wrap: wrap; }
.search input { padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; }
.search input[type=search] { min-width: 240px; }
.pager { display: flex; gap: 14px; align-items: center; margin-top: 14px; }

.panel { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin: 12px 0; }

/* 낭독 화면 */
.recorder { border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin: 14px 0; }
.rec-step { padding: 8px 0; border-top: 1px solid var(--line); }
.rec-step:first-child { border-top: none; }
.rec-step h2 { margin: 0 0 6px; font-size: 16px; }
.status { font-size: 13px; color: var(--muted); margin: 6px 0; min-height: 20px; }
.timer { font-variant-numeric: tabular-nums; margin-left: 10px; }
.meter { height: 8px; background: #eef2f7; border-radius: 4px; overflow: hidden; }
.meter-bar { height: 100%; width: 0; background: var(--accent); transition: width .08s linear; }
article.script { font-size: 19px; line-height: 1.9; }
article.script p { margin: 0 0 18px; }

/* 결과 */
.score-head { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; margin: 12px 0 4px; }
.total { min-width: 220px; }
.num-big { font-size: 46px; font-weight: 700; line-height: 1.1; }
.num-big span { font-size: 18px; color: var(--muted); font-weight: 400; }
.feedback { flex: 1 1 320px; }
.feedback ul { margin: 6px 0; padding-left: 20px; }
.bar { height: 5px; background: #eef2f7; border-radius: 3px; margin-top: 3px; }
.bar > div { height: 100%; background: var(--accent); border-radius: 3px; }

/* 대본은 눈으로 따라 읽는 글이라 줄 간격이 일정해야 한다. 설명은 줄 사이 공간에 띄워서
   설명이 붙은 줄만 키가 커지지 않게 한다. */
.words { font-size: 19px; line-height: 2.5; }
/* 줄 간격은 부모(.words)가 넉넉히 갖고, 단어 상자는 글자에 딱 맞춘다.
   그래야 설명을 단어 바로 아래(줄 사이 빈 공간)에 놓을 수 있다. */
.w-wrap { position: relative; display: inline-block; line-height: 1.15; }
.w-wrap.playable { cursor: pointer; }
.words .w { padding: 1px 2px; border-radius: 3px; }
.w-note {
  position: absolute; top: 100%; margin-top: 3px; left: 50%; transform: translateX(-50%);
  font-size: 11px; line-height: 1.2; white-space: nowrap;
  color: var(--muted); border-top: 2px solid currentColor; padding: 1px 3px 0;
  background: #fff;
}
.w-note.n-low { top: calc(100% + 15px); }
.w-note.n-bad { color: var(--bad); }
.w-note.n-mid { color: var(--mid); }
.w-note.n-del { color: #9aa4b0; }

.practice { display: flex; flex-direction: column; gap: 10px; margin: 8px 0; }
.practice-row { display: flex; gap: 12px; align-items: flex-start; }
.practice-row .ph {
  flex: 0 0 auto; min-width: 46px; text-align: center; font-size: 14px;
  background: #eef3f8; color: var(--fg); padding: 3px 8px; border-radius: 4px;
}
.ph-words { font-size: 15px; }
.w-ok { color: var(--ok); }
.w-mid { color: var(--mid); background: #fff6e0; }
.w-bad { color: var(--bad); background: #fdeceb; }
.w-oov { color: #9aa4b0; }
.w-del { color: #9aa4b0; text-decoration: line-through; }
.w-sub { border-bottom: 2px dotted var(--bad); }
.raw { margin-top: 24px; }

.who { margin-left: auto; font-size: 13px; color: var(--muted); }
.who a { margin-left: 8px; }
.login-form { display: flex; flex-direction: column; gap: 12px; max-width: 320px; margin-top: 16px; }
.login-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-form input { padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; }

/* 단어를 누르면 뜨는 설명 상자 */
.wpop {
  position: absolute; z-index: 20; max-width: 320px; background: #fff;
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
  box-shadow: 0 6px 20px rgba(28, 36, 48, .13); font-size: 14px; line-height: 1.5;
}
.wpop-head { font-weight: 600; font-size: 16px; }
.wpop-head .ph { font-size: 12px; }
.wpop-heard { color: var(--bad); font-size: 13px; margin-top: 2px; }
.wpop-tip { color: var(--fg); margin-top: 6px; }
.wpop-btns { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.word-play { padding: 2px 8px; font-size: 13px; }
.ph-words { display: flex; gap: 6px; flex-wrap: wrap; }

/* 팝오버 안의 소리 열: 단어를 소리 단위로 펼쳐 문제 지점을 짚어 준다 */
.wpop-phs { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 4px; }
.pc {
  font: 12px/1 ui-monospace, monospace; padding: 5px 7px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 4px; background: #f7f9fc; color: var(--fg);
}
.pc:hover { background: #eef3f8; }
.pc-mid { border-color: #e6c67a; background: #fff6e0; color: var(--mid); font-weight: 600; }
.pc-bad { border-color: #e0a09b; background: #fdeceb; color: var(--bad); font-weight: 700; }
.wpop-at { font-size: 12px; color: var(--muted); font-weight: 400; }