/* ============================================================
   功課複習 — 樣式
   字型、色票與版面沿用 medical-kb（DESIGN.md）：
   低飽和海軍藍主調、1px 細線分層、等寬字當標籤、灰底上的白色紙張、
   不用陰影、圓角 ≤ 4px、全站只有一個暖色 accent。
   和 medical-kb 不同的地方：字級放大、按鈕加高，讓四年級孩子在平板上好點好讀。
   ============================================================ */

:root {
  --font-sans: 'IBM Plex Sans', 'Noto Sans TC', 'Microsoft JhengHei', '微軟正黑體', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;
  /* 國字題目用楷書，字形才會和課本一致 */
  --font-kai: 'Kaiti TC', 'BiauKai', '標楷體', 'DFKai-SB', 'Noto Sans TC', serif;

  --radius-md: 4px;
  --radius-sm: 3px;
  --sidebar-width: 260px;
  --content-max-width: 800px;
  --transition: 0.2s ease;

  --kb-surface: #FFFFFF;
  --kb-surface-2: #F2F4F7;
  --kb-navy: #1E3050;
  --kb-navy-2: #2C4E7A;
  --kb-blue: #3E6392;
  --kb-olive: #6E7F58;
  --kb-brick: #9C5B52;
  --kb-gold: #A8873F;
  --kb-accent: #C4693C;

  --color-bg: #EAEDF1;
  --color-bg-tertiary: #E4E9EF;
  --color-border: #D2D9E2;
  --color-border-light: #E2E7ED;
  --color-text: #1B2735;
  --color-text-muted: #52667A;
  --color-text-subtle: #8493A5;
  --color-primary-light: #DCE4EE;
  --table-head-text: #DCE3E7;

  --ok-tint: #F1F4EC;
  --bad-tint: #F7EEEC;

  --header-bg: #FFFFFF;
  --sidebar-bg: #E5EAF0;
  --shadow-overlay: 0 6px 24px rgba(16, 28, 44, .18);

  /* 科目色：沿用低飽和分類色 */
  --subj-chinese: var(--kb-brick);
  --subj-english: var(--kb-blue);
  --subj-math: var(--kb-olive);
}

@media (prefers-color-scheme: dark) {
  :root {
    --kb-surface: #16202F;
    --kb-surface-2: #1C2839;
    --kb-navy: #405A85;
    --kb-navy-2: #7FA9D9;
    --kb-blue: #6E9BCB;
    --kb-olive: #93A87A;
    --kb-brick: #C87F72;
    --kb-gold: #C7A55A;
    --kb-accent: #E08B52;
    --color-bg: #0E1723;
    --color-bg-tertiary: #1C2839;
    --color-border: #2B3B4F;
    --color-border-light: #22303F;
    --color-text: #C9D4E0;
    --color-text-muted: #93A3B5;
    --color-text-subtle: #6B7C90;
    --color-primary-light: #22324A;
    --ok-tint: #1D2A22;
    --bad-tint: #2D1F21;
    --header-bg: #16202F;
    --sidebar-bg: #111C29;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

button, a { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }
button:disabled { cursor: default; }
a { text-decoration: none; }
:focus-visible { outline: 2px solid var(--kb-navy-2); outline-offset: 2px; }

.kai { font-family: var(--font-kai); }
.mono, .label {
  font-family: var(--font-mono);
}
/* 等寬標籤字：含中文時不小於 12.5px（等寬字對中文不生效，會退回後備字型） */
.label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

/* ============================================================
   版面：header、sidebar、白色紙張
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 max(24px, env(safe-area-inset-right)) 0 max(24px, env(safe-area-inset-left));
  background: var(--header-bg);
  border-bottom: 1px solid var(--color-border);
}
.site-header__logo {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.site-header__actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.star-count { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--kb-gold); }
.sync-status { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-subtle); }
.sync-status.offline { color: var(--kb-brick); }

.btn-menu {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: -10px;
  border: none;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text);
}
.btn-menu:hover { background: var(--color-bg-tertiary); }

.site-body { display: flex; min-height: calc(100vh - 56px); }

.site-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding: 16px 0 32px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--color-border);
}
.sidebar-section__title {
  display: block;
  padding: 14px 18px 4px;
}
.sidebar-nav { list-style: none; margin: 0; padding: 0; }
.sidebar-nav a {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 18px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.sidebar-nav a:hover { color: var(--color-text); background: var(--color-bg-tertiary); }
.sidebar-nav a.active {
  color: var(--color-text);
  background: var(--color-primary-light);
  font-weight: 500;
  box-shadow: inset 2px 0 0 var(--kb-navy-2);
}
.sidebar-nav .sub a { padding-left: 32px; font-size: 15px; }
.sidebar-nav .n { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-subtle); }
.sidebar-backdrop { display: none; }

.site-main {
  flex: 1;
  min-width: 0;
  max-width: calc(var(--content-max-width) + 80px);
  margin: 24px;
  padding: 40px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* 平板直式與手機：sidebar 變成抽屜 */
@media (max-width: 1023px) {
  .btn-menu { display: inline-flex; }
  .site-sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    height: auto;
    z-index: 90;
    transform: translateX(-100%);
    transition: transform var(--transition);
  }
  .sidebar-open .site-sidebar { transform: none; box-shadow: var(--shadow-overlay); }
  .sidebar-open .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 56px 0 0 0;
    z-index: 80;
    background: rgba(16, 28, 44, .25);
  }
  .site-main { margin: 20px; padding: 32px 28px; }
}
@media (max-width: 767px) {
  .site-header { padding: 0 16px; }
  .site-main { margin: 0; padding: 22px 16px 40px; border: none; border-radius: 0; }
}

.loading, .error { text-align: center; color: var(--color-text-muted); margin: 60px 0; }
.error { color: var(--kb-brick); }

/* ============================================================
   頁首（eyebrow 短線是暖色出場的地方之一）
   ============================================================ */

.page-header {
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}
.page-header::before {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--kb-accent);
}
.page-header h1 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.24;
}
.page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}
.page-meta a { color: var(--kb-navy-2); }

/* 章節標題：自動編號晶片（暖色出場的第二個地方） */
.sections { counter-reset: sec; }
.sections h2 {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin: 44px 0 16px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.sections h2:first-child { margin-top: 0; }
.sections h2::before {
  counter-increment: sec;
  content: counter(sec, decimal-leading-zero);
  flex: none;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--kb-accent);
  border: 1px solid var(--kb-accent);
  border-radius: var(--radius-sm);
}

/* ============================================================
   首頁、科目頁
   ============================================================ */

.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 600px) { .subject-grid { grid-template-columns: 1fr; } }

.subject-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 132px;
  padding: 20px 22px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--sc, var(--kb-navy-2));
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}
.subject-card:hover, .subject-card:active { background: var(--kb-surface-2); }
.subject-card .name { font-size: 30px; font-weight: 600; letter-spacing: 0.04em; color: var(--sc); }
.subject-card .meta { margin-top: auto; }
.s-chinese { --sc: var(--subj-chinese); }
.s-english { --sc: var(--subj-english); }
.s-math { --sc: var(--subj-math); }

.row-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 14px 20px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 20px;
  font-weight: 600;
  transition: background var(--transition);
}
.row-link + .row-link { margin-top: 10px; }
.row-link:hover, .row-link:active { background: var(--kb-surface-2); }
.row-link .count { font-family: var(--font-mono); font-size: 15px; font-weight: 500; color: var(--color-text-muted); }
.row-link.disabled { color: var(--color-text-subtle); pointer-events: none; }
.row-link.wrong { border-left: 3px solid var(--kb-brick); }
.row-link.review { border-left: 3px solid var(--kb-navy-2); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.stat { padding: 16px 18px; }
.stat + .stat { border-left: 1px solid var(--color-border); }
.stat .num { font-family: var(--font-mono); font-size: 28px; font-weight: 600; color: var(--color-text); }
.stat .num.gold { color: var(--kb-gold); }
@media (max-width: 480px) {
  .stat { padding: 12px; }
  .stat .num { font-size: 22px; }
}

.unit-list { display: flex; flex-direction: column; gap: 10px; }
.unit-card {
  display: block;
  padding: 16px 20px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}
.unit-card:hover, .unit-card:active { border-color: var(--kb-navy-2); background: var(--kb-surface-2); }
.unit-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.unit-name { font-size: 21px; font-weight: 600; }
.unit-sub { margin-top: 2px; font-size: 15px; color: var(--color-text-muted); }
.unit-stat { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-subtle); margin-top: 6px; }
.bar { height: 4px; margin-top: 10px; background: var(--color-border-light); border-radius: 2px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--kb-navy-2); }

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.tag.sample { color: var(--kb-gold); border-color: var(--kb-gold); }

/* ============================================================
   作答
   ============================================================ */

.quiz-head { margin-bottom: 20px; }
.quiz-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.quiz-title { font-size: 17px; font-weight: 600; color: var(--color-text-muted); }
.progress { display: flex; gap: 4px; }
.dot { flex: 1; height: 4px; border-radius: 2px; background: var(--color-border-light); }
.dot.done { background: var(--kb-navy-2); }
.dot.now { background: var(--kb-blue); opacity: .45; }

.q-card { padding: 4px 0 0; }
.q-head { display: flex; flex-direction: column; }
.q-prompt { margin: 0 0 14px; font-size: 22px; font-weight: 500; line-height: 1.55; }
.q-show {
  margin: 8px 0 22px;
  padding: 22px 16px;
  text-align: center;
  font-size: 46px;
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
  background: var(--kb-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.q-show.kai { font-family: var(--font-kai); font-weight: 500; font-size: 56px; }
.q-show.zy { font-size: 40px; letter-spacing: 0.12em; }
.q-show.en { font-family: 'IBM Plex Sans', system-ui, sans-serif; }

.expr {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0 22px;
  padding: 22px 16px;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 500;
  background: var(--kb-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.frac { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.1; }
.frac .fn { padding: 0 6px; border-bottom: 2px solid currentColor; }
.frac .fd { padding: 0 6px; }

.btn-speak {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: center;
  min-height: 48px;
  margin: 0 0 18px;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--kb-navy-2);
  background: var(--kb-surface);
  border: 1px solid var(--kb-navy-2);
  border-radius: var(--radius-md);
}
.btn-speak:hover { background: var(--color-primary-light); }

.opts { display: grid; grid-template-columns: 1fr; gap: 10px; }
.opts.two { grid-template-columns: 1fr 1fr; }
.opt {
  min-height: 68px;
  padding: 12px 16px;
  font-size: 24px;
  font-weight: 500;
  text-align: center;
  color: var(--color-text);
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition), border-color var(--transition);
}
.opt.zy { font-size: 30px; letter-spacing: 0.08em; }
.opt.big { font-size: 32px; }
.opt.kai { font-family: var(--font-kai); font-size: 38px; }
.opt.en { font-family: 'IBM Plex Sans', system-ui, sans-serif; }
.opt:not(:disabled):hover { border-color: var(--kb-navy-2); background: var(--kb-surface-2); }
.opt.right { color: var(--kb-olive); background: var(--ok-tint); border-color: var(--kb-olive); box-shadow: inset 3px 0 0 var(--kb-olive); }
.opt.wrong { color: var(--kb-brick); background: var(--bad-tint); border-color: var(--kb-brick); box-shadow: inset 3px 0 0 var(--kb-brick); }
.opt:disabled:not(.right):not(.wrong) { color: var(--color-text-subtle); }

.selfcheck { display: flex; flex-direction: column; gap: 12px; }
.reveal {
  padding: 18px;
  text-align: center;
  font-size: 52px;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.reveal.kai { font-family: var(--font-kai); font-weight: 500; font-size: 60px; }
.hint { margin: 0; text-align: center; color: var(--color-text-muted); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.tiles-q { display: flex; flex-direction: column; gap: 14px; }
.tile-answer, .tile-pool {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 76px;
  padding: 12px;
  border-radius: var(--radius-md);
}
.tile-answer { border: 1px dashed var(--color-text-subtle); background: var(--kb-surface-2); }
.tile-answer.right { border: 1px solid var(--kb-olive); background: var(--ok-tint); box-shadow: inset 3px 0 0 var(--kb-olive); }
.tile-answer.wrong { border: 1px solid var(--kb-brick); background: var(--bad-tint); box-shadow: inset 3px 0 0 var(--kb-brick); }
.tile-hint { font-size: 16px; color: var(--color-text-subtle); }
.tile {
  min-width: 54px;
  min-height: 54px;
  padding: 8px 14px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 24px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.tile:not(:disabled):hover { border-color: var(--kb-navy-2); }
.tile.letter { min-width: 58px; text-align: center; font-family: var(--font-mono); }
.tile.used { visibility: hidden; }

.num-q { display: flex; flex-direction: column; gap: 14px; }
.num-fields { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.num-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
  min-height: 66px;
  padding: 8px 16px;
  color: var(--color-text);
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.num-field.active { border-color: var(--kb-navy-2); box-shadow: inset 3px 0 0 var(--kb-navy-2); }
.num-field.right { border-color: var(--kb-olive); background: var(--ok-tint); box-shadow: inset 3px 0 0 var(--kb-olive); }
.num-field.wrong { border-color: var(--kb-brick); background: var(--bad-tint); box-shadow: inset 3px 0 0 var(--kb-brick); }
.nf-label { font-size: 15px; color: var(--color-text-muted); }
.nf-val { flex: 1; min-width: 60px; text-align: right; font-family: var(--font-mono); font-size: 30px; font-weight: 600; }
.nf-unit { font-size: 17px; color: var(--color-text-muted); }
.numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.key {
  min-height: 62px;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.key:not(:disabled):hover { background: var(--kb-surface-2); }
.key:not(:disabled):active { background: var(--color-primary-light); }

/* 按鈕 */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 10px 24px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: background var(--transition), border-color var(--transition);
}
.btn-primary { color: #FFFFFF; background: var(--kb-navy-2); border: 1px solid var(--kb-navy-2); }
.btn-primary:hover { background: var(--kb-navy); border-color: var(--kb-navy); }
.btn-primary:disabled { color: var(--color-text-subtle); background: var(--kb-surface-2); border-color: var(--color-border); }
.btn-primary.big { width: 100%; }
.btn-secondary { color: var(--color-text); background: var(--kb-surface); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: var(--kb-surface-2); }
.btn-secondary.danger { color: var(--kb-brick); border-color: var(--kb-brick); }
.btn-text {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--kb-navy-2);
  background: none;
  border: none;
}
@media (prefers-color-scheme: dark) {
  .btn-primary { color: #0E1723; }
}

/* 回饋（臨床提示框樣式：白底、1px 框、3px 左側色邊） */
.feedback:empty { display: none; }
.feedback {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
  padding: 16px 20px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.feedback.ok { border-left: 3px solid var(--kb-olive); }
.feedback.bad { border-left: 3px solid var(--kb-brick); }
.fb-label { font-family: var(--font-mono); font-size: 13px; font-weight: 500; letter-spacing: 0.12em; }
.feedback.ok .fb-label { color: var(--kb-olive); }
.feedback.bad .fb-label { color: var(--kb-brick); }
.fb-title { margin: 0; font-size: 24px; font-weight: 600; }
.fb-answer { margin: 0; font-size: 20px; }
.fb-answer strong { font-size: 26px; font-weight: 600; }
.fb-answer strong.kai { font-family: var(--font-kai); font-weight: 500; font-size: 32px; }
.explain { margin: 0; font-size: 18px; color: var(--color-text-muted); }
.feedback .btn-speak { align-self: flex-start; margin: 0; }
.feedback .btn-primary { margin-top: 6px; }

/* 結果 */
.result { text-align: center; padding: 8px 0; }
.result .big-stars { font-family: var(--font-mono); font-size: 48px; font-weight: 600; color: var(--kb-gold); }
.result .score { margin: 6px 0; font-size: 26px; font-weight: 600; }
.result .msg { margin: 0; color: var(--color-text-muted); }
.result-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.wrong-list { margin: 28px 0 0; padding: 0; list-style: none; text-align: left; border-top: 1px solid var(--color-border); }
.wrong-list li { padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--color-border-light); }
.wrong-list .ans { display: block; font-family: var(--font-mono); font-size: 14px; color: var(--kb-olive); }

/* ============================================================
   家長專區
   ============================================================ */

.table-wrapper { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
thead th {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: left;
  color: var(--table-head-text);
  background: var(--kb-navy);
}
td { padding: 11px 14px; border-top: 1px solid var(--color-border-light); vertical-align: top; }
tbody tr:hover { background: var(--kb-surface-2); }
td.num { text-align: right; white-space: nowrap; font-family: var(--font-mono); }
th.num { text-align: right; }

.block {
  padding: 16px 20px;
  font-size: 16px;
  background: var(--kb-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-text-subtle);
  border-radius: var(--radius-md);
}
.block.warn { border-left-color: var(--kb-brick); }
.block.ok { border-left-color: var(--kb-olive); }
.block p { margin: 0 0 10px; }
.block p:last-child { margin-bottom: 0; }
.block ul { margin: 0; padding-left: 20px; }
.muted { color: var(--color-text-muted); }
.err { color: var(--kb-brick); }

.days {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 130px;
  padding: 12px 4px 0;
  border-bottom: 1px solid var(--color-border);
}
.days .d { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.days .v { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }
.days .b { width: 60%; min-height: 1px; background: var(--kb-navy-2); border-radius: 2px 2px 0 0; }
.days-labels { display: flex; gap: 8px; padding: 6px 4px 0; }
.days-labels span { flex: 1; text-align: center; font-family: var(--font-mono); font-size: 12.5px; color: var(--color-text-subtle); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.btn-row .btn-secondary { min-height: 48px; font-size: 16px; }