:root {
  color-scheme: light;
  --bg: #f7f7f5;
  --panel: #ffffff;
  --panel-2: #f0f1ef;
  --text: #181a18;
  --muted: #676c67;
  --border: #d9ddd8;
  --border-strong: #bec5be;
  --accent: #1f5b46;
  --accent-strong: #154734;
  --accent-soft: #e8f2ed;
  --good: #17643f;
  --good-bg: #e7f4ec;
  --bad: #a12b2b;
  --bad-bg: #fbeaea;
  --warn: #76550f;
  --warn-bg: #fff5d9;
  --shadow: 0 10px 30px rgba(18, 24, 20, .07);
  --radius: 18px;
  --font-scale: 1;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101311;
  --panel: #171b18;
  --panel-2: #202521;
  --text: #f0f3f0;
  --muted: #aeb6af;
  --border: #343b35;
  --border-strong: #4b554d;
  --accent: #80c8a7;
  --accent-strong: #a7dec4;
  --accent-soft: #20382d;
  --good: #8fdab4;
  --good-bg: #183626;
  --bad: #f4a0a0;
  --bad-bg: #3c2020;
  --warn: #f1cd78;
  --warn-bg: #3b321c;
  --shadow: 0 10px 30px rgba(0, 0, 0, .24);
}

html { scroll-behavior: smooth; font-size: 16px; }
html[data-font="small"] { --font-scale: .92; font-size: 15px; }
html[data-font="medium"] { --font-scale: 1; font-size: 16px; }
html[data-font="large"] { --font-scale: 1.12; font-size: 18px; }

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
input, select, textarea { font-size: max(1rem, 16px); }
a { color: inherit; }
button, a, input, select, label { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1040px;
  margin: auto;
  min-height: 62px;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.brand-mark {
  width: 30px; height: 30px; display: grid; place-items: center;
  color: var(--text);
}
.brand-home-icon { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.brand span:last-child { min-width: 0; display: grid; line-height: 1.25; }
.brand strong { font-size: 1rem; white-space: nowrap; }
.brand small { color: var(--muted); font-size: .75rem; margin-top: 3px; white-space: nowrap; }
.desktop-nav { margin-left: auto; display: flex; gap: 4px; }
.desktop-nav a, .mobile-nav a {
  text-decoration: none; color: var(--muted); font-weight: 650;
}
.desktop-nav a { padding: 9px 4px; border-bottom: 2px solid transparent; }
.desktop-nav a + a { margin-left: 18px; }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--text); border-bottom-color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button, .secondary-button, .primary-button, .danger-button, .ghost-button, .google-button {
  border: 1px solid var(--border);
  border-radius: 12px;
  min-height: 44px;
  padding: 9px 14px;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.icon-button { width: 44px; padding: 0; background: var(--panel); color: var(--text); }
.primary-button { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 750; }
.primary-button:hover { background: var(--accent-strong); }
.secondary-button { background: var(--panel); color: var(--text); font-weight: 650; }
.secondary-button:hover, .icon-button:hover { background: var(--panel-2); border-color: var(--border-strong); }
.ghost-button { background: transparent; color: var(--muted); }
.danger-button { background: var(--bad-bg); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, var(--border)); }
.google-button { background: var(--panel); color: var(--text); display: inline-flex; gap: 10px; align-items: center; font-weight: 700; }
.google-g { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--panel-2); font-weight: 900; }
button:disabled { opacity: .5; cursor: not-allowed; }

.app-main { max-width: 1040px; margin: auto; padding: 32px 18px 100px; min-height: calc(100vh - 63px); }
.home-heading { padding: 8px 0 26px; border-bottom: 1px solid var(--border); }
.home-heading h1 { margin: 0; font-size: clamp(1.55rem, 3vw, 2rem); line-height: 1.25; letter-spacing: -.015em; font-weight: 750; }
.home-tool-list { border-bottom: 1px solid var(--border); }
.home-tool-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 26px 2px;
  border-bottom: 1px solid var(--border);
}
.home-tool-row:last-child { border-bottom: 0; }
.home-tool-copy { min-width: 0; }
.home-tool-row h2 { margin: 0 0 5px; font-size: 1.08rem; line-height: 1.35; font-weight: 750; }
.home-tool-row p { margin: 0; color: var(--muted); font-size: .95rem; }
.home-tool-link {
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 750;
  white-space: nowrap;
  padding: 8px 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  cursor: pointer;
}
.home-tool-link:hover { border-bottom-color: currentColor; }
.home-tool-link-button { font: inherit; }
.home-resume-row { background: transparent; }
.panel, .question-panel, .login-card, .result-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.page-header h1 { margin: 0; font-size: clamp(1.65rem, 4vw, 2.4rem); line-height: 1.2; }
.page-header p { margin: 6px 0 0; color: var(--muted); }
.toolbar { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.toolbar-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.field { display: grid; gap: 6px; min-width: 0; }
.field label, .field-label { color: var(--muted); font-size: .82rem; font-weight: 700; }
.field input, .field select, .text-input, .select-input {
  min-height: 44px; border: 1px solid var(--border); background: var(--bg); color: var(--text); border-radius: 11px; padding: 9px 12px; min-width: 0;
}
.field.grow { flex: 1 1 280px; }
.field.small { width: 130px; }

.browser-layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 16px; align-items: start; }
.question-list { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; position: sticky; top: 86px; }
.question-list-head { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: .86rem; }
.question-list-items { max-height: calc(100vh - 180px); overflow: auto; padding: 6px; }
.question-list-button { width: 100%; text-align: left; border: 0; border-radius: 10px; padding: 10px; background: transparent; color: var(--text); cursor: pointer; display: grid; gap: 3px; }
.question-list-button:hover, .question-list-button.is-active { background: var(--accent-soft); }
.question-list-button strong { font-size: .85rem; color: var(--accent); }
.question-list-button span { color: var(--muted); font-size: .88rem; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.question-panel { padding: clamp(18px, 4vw, 30px); min-width: 0; }
.question-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 14px; }
.question-number { color: var(--accent); font-weight: 800; }
.topic-badge, .keyword { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 9px; font-size: .78rem; font-weight: 700; background: var(--panel-2); color: var(--muted); }
.sync-status { color: var(--muted); font-size: .76rem; white-space: nowrap; }
.sync-status[data-status="saved"] { color: var(--good); }
.sync-status[data-status="saving"] { color: var(--warn); }
.question-text { font-size: clamp(1.08rem, 2.2vw, 1.32rem); font-weight: 720; line-height: 1.65; margin: 0 0 20px; }
.options { display: grid; gap: 10px; }
.option-card { min-height: 54px; display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 13px; background: var(--bg); position: relative; }
label.option-card { cursor: pointer; }
label.option-card:hover { border-color: var(--border-strong); background: var(--panel-2); }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-prefix { flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--panel-2); font-weight: 800; }
.option-card.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.option-card.is-correct { border-color: var(--good); background: var(--good-bg); }
.option-card.is-wrong { border-color: var(--bad); background: var(--bad-bg); }
.option-result { margin-left: auto; font-size: .78rem; font-weight: 800; }
.answer-banner { margin: 18px 0; padding: 14px 16px; border-radius: 13px; background: var(--accent-soft); display: grid; gap: 4px; }
.answer-label { color: var(--muted); font-size: .78rem; font-weight: 750; }
.question-actions, .action-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.explanation { margin-top: 22px; border-top: 1px solid var(--border); padding-top: 20px; }
.explanation-lead { padding: 16px; border-radius: 14px; background: var(--panel-2); }
.explanation-lead h3 { margin: 4px 0 10px; font-size: 1.12rem; }
.explanation-lead p { margin: 7px 0; }
.why-correct { color: var(--text); }
details { border-bottom: 1px solid var(--border); }
summary { cursor: pointer; padding: 15px 2px; font-weight: 750; list-style-position: inside; }
.detail-body { padding: 0 2px 18px; color: var(--muted); }
.detail-body p { margin-top: 0; }
.option-analysis-list { display: grid; gap: 10px; }
.analysis-option { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: var(--bg); }
.analysis-option.is-correct { border-color: color-mix(in srgb, var(--good) 45%, var(--border)); background: var(--good-bg); }
.analysis-option-title { display: flex; justify-content: space-between; gap: 8px; color: var(--text); }
.analysis-option-title strong { color: var(--muted); font-size: .78rem; white-space: nowrap; }
.analysis-option p { margin: 6px 0 0; }
.caution { background: var(--warn-bg); color: var(--warn); border-radius: 11px; padding: 12px; }
.keyword-row { display: flex; flex-wrap: wrap; gap: 7px; }
.source-boundary { color: var(--muted); font-size: .78rem; margin-top: 16px; }

.quiz-setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
.panel { padding: 20px; }
.panel h2, .panel h3 { margin-top: 0; }
.form-section { padding: 18px 0; border-bottom: 1px solid var(--border); }
.form-section:first-child { padding-top: 0; }
.form-section:last-child { border-bottom: 0; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice-tile { position: relative; border: 1px solid var(--border); border-radius: 12px; padding: 12px; cursor: pointer; background: var(--bg); }
.choice-tile input { margin-right: 8px; }
.choice-tile:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.quick-counts { display: flex; flex-wrap: wrap; gap: 8px; }
.count-button { border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); padding: 8px 12px; cursor: pointer; min-height: 42px; }
.count-button.is-active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); font-weight: 800; }
.login-card { padding: 22px; text-align: center; }
.login-card h2 { margin-top: 0; }
.login-card p { color: var(--muted); }
.config-warning { text-align: left; padding: 12px; border-radius: 12px; background: var(--warn-bg); color: var(--warn); font-size: .9rem; }

.quiz-shell { max-width: 920px; margin: auto; }
.quiz-status-bar { position: sticky; top: 78px; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); padding: 8px 0 12px; }
.quiz-status-card { border: 1px solid var(--border); border-radius: 14px; background: var(--panel); padding: 12px 14px; }
.stats-row { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; font-size: .9rem; }
.stats-row strong { font-size: 1rem; }
.progress-track { height: 7px; border-radius: 999px; background: var(--panel-2); overflow: hidden; margin-top: 10px; }
.progress-fill { height: 100%; background: var(--accent); border-radius: inherit; transition: width .2s ease; }
.quiz-question-card { margin-top: 12px; }
.feedback-banner { margin-top: 16px; padding: 14px; border-radius: 13px; font-weight: 700; }
.feedback-banner.correct { background: var(--good-bg); color: var(--good); }
.feedback-banner.wrong { background: var(--bad-bg); color: var(--bad); }
.quiz-footer-actions { position: sticky; bottom: 74px; z-index: 15; margin-top: 14px; padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: color-mix(in srgb, var(--panel) 95%, transparent); display: flex; justify-content: space-between; gap: 10px; box-shadow: var(--shadow); }
.answer-sheet { display: grid; grid-template-columns: repeat(10, minmax(38px, 1fr)); gap: 7px; margin-top: 12px; }
.answer-sheet button { min-height: 40px; border: 1px solid var(--border); background: var(--bg); color: var(--text); border-radius: 9px; cursor: pointer; }
.answer-sheet button.is-answered { background: var(--accent-soft); border-color: var(--accent); }
.answer-sheet button.is-current { outline: 2px solid var(--accent); outline-offset: 1px; }
.timer { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 800; }

.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 16px 0 22px; }
.metric { border: 1px solid var(--border); border-radius: 13px; padding: 14px; background: var(--bg); }
.metric span { display: block; color: var(--muted); font-size: .8rem; }
.metric strong { display: block; font-size: 1.5rem; margin-top: 3px; }
.wrong-list { display: flex; flex-wrap: wrap; gap: 8px; }
.wrong-list a { text-decoration: none; border: 1px solid var(--border); border-radius: 9px; padding: 7px 10px; background: var(--bg); }

.mobile-nav { display: none; }
.loading { min-height: 240px; display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--muted); }
.spinner { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { padding: 32px; text-align: center; color: var(--muted); }
.toast-host { position: fixed; z-index: 100; right: 18px; bottom: 18px; display: grid; gap: 8px; width: min(360px, calc(100% - 36px)); }
.toast { background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 12px; padding: 12px 14px; }
.toast-error { border-color: var(--bad); color: var(--bad); }
.toast-success { border-color: var(--good); color: var(--good); }

@media (max-width: 880px) {
  .desktop-nav { display: none; }
  .brand small { display: none; }
  .header-inner { gap: 10px; }
  .header-actions { margin-left: auto; }
  .sync-status { display: none !important; }
  .browser-layout { grid-template-columns: 1fr; }
  .question-list { position: static; }
  .question-list-items { max-height: 260px; }
  .quiz-setup-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
  .answer-sheet { grid-template-columns: repeat(6, minmax(38px, 1fr)); }
  .mobile-nav {
    display: grid; grid-template-columns: repeat(2, 1fr); position: fixed; z-index: 40; left: 0; right: 0; bottom: 0;
    padding: 7px max(12px, env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(14px); border-top: 1px solid var(--border);
  }
  .mobile-nav a { min-height: 48px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: .78rem; gap: 1px; }
  .mobile-nav a.is-active { color: var(--accent); background: var(--accent-soft); }
  .app-main { padding-bottom: 115px; }
  .quiz-footer-actions { bottom: 76px; }
}

@media (max-width: 560px) {
  .app-main { padding-left: 12px; padding-right: 12px; padding-top: 18px; }
  .header-inner { padding-left: 12px; padding-right: 12px; min-height: 62px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: .93rem; }
  .header-actions .icon-button { width: 40px; min-height: 40px; }
  #auth-slot .google-button span:not(.google-g), #auth-slot .secondary-button .auth-name { display: none; }
  .home-heading { padding-top: 2px; padding-bottom: 20px; }
  .home-tool-row { grid-template-columns: 1fr; gap: 8px; padding: 21px 0; }
  .home-tool-link { justify-self: start; }
  .page-header { align-items: flex-start; flex-direction: column; }
  .toolbar-row > * { width: 100%; }
  .field.small { width: 100%; }
  .choice-grid { grid-template-columns: 1fr; }
  .question-panel { padding: 16px; border-radius: 14px; }
  .option-card { align-items: flex-start; }
  .question-actions > button, .question-actions > a { flex: 1 1 100%; justify-content: center; text-align: center; }
  .stats-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; text-align: center; font-size: .7rem; }
  .stats-row > span { min-width: 0; }
  .stats-row strong { display: block; font-size: .95rem; }
  .timer { grid-column: 1 / -1; margin: 4px 0 0; }
  .quiz-status-bar { top: 63px; }
  .quiz-footer-actions { padding: 9px; }
  .quiz-footer-actions .secondary-button, .quiz-footer-actions .primary-button { flex: 1; padding-left: 8px; padding-right: 8px; }
  .answer-sheet { grid-template-columns: repeat(5, minmax(38px, 1fr)); }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
    .toast-host { right: 12px; bottom: 86px; width: calc(100% - 24px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.mistake-focus {
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--bad) 35%, var(--border));
  border-radius: 14px;
  background: var(--bad-bg);
}
.mistake-focus h3 { margin: 0 0 8px; color: var(--bad); }
.mistake-focus p { margin: 7px 0; }

/* Homepage/header refinement: restrained utility-style navigation. */
.header-actions .icon-button { border-radius: 7px; }
@media (max-width: 880px) {
  .mobile-nav a { border-top: 2px solid transparent; }
  .mobile-nav a.is-active { color: var(--accent-strong); background: transparent; border-top-color: var(--accent); }
}
@media (max-width: 560px) {
  .brand-mark { width: 28px; height: 28px; }
  .brand-home-icon { width: 22px; height: 22px; }
}

/* Active-session notice on the quiz setup page. */
.resume-card {
  margin-bottom: 16px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.resume-card p { margin: 3px 0 0; color: var(--muted); }
@media (max-width: 560px) {
  .resume-card { align-items: flex-start; flex-direction: column; padding-left: 0; padding-right: 0; }
}


/* Small utility additions; existing layout and visual language stay unchanged. */
.jump-controls { display: flex; gap: 6px; align-items: stretch; }
.jump-controls input { min-width: 0; flex: 1; }
.jump-controls button { flex: 0 0 auto; min-height: 44px; padding: 8px 10px; }
.resume-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.storage-warning { margin: 0 0 14px; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--border)); border-radius: 10px; background: var(--warn-bg); color: var(--warn); }
.result-review-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.review-list { display: grid; gap: 12px; margin-top: 12px; }
.review-item { border: 1px solid var(--border); border-radius: 12px; background: var(--bg); padding: 14px; }
.review-item h3 { margin: 0 0 8px; font-size: 1rem; }
.review-answer { margin: 5px 0; color: var(--muted); }
.review-answer strong { color: var(--text); }
.review-item details { margin-top: 8px; }
.load-error-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.config-help { margin-top: 7px; color: var(--muted); font-size: .8rem; }
@media (max-width: 560px) {
  .jump-controls button { min-width: 72px; }
  input, select, textarea { font-size: max(1rem, 16px); }
}

/* Google authentication and cross-device sync */
body[data-auth="pending"] { overflow: hidden; }
body[data-auth="pending"] .site-header,
body[data-auth="pending"] .app-main,
body[data-auth="pending"] .mobile-nav { visibility: hidden; }
.auth-gate {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  padding: 24px;
  background: var(--bg);
}
.auth-gate[hidden] { display: none; }
.auth-card {
  width: min(420px, 100%);
  padding: 26px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.auth-card h1 { margin: 0; font-size: 1.55rem; }
.auth-card > p:first-of-type { margin: 2px 0 18px; color: var(--muted); }
.auth-card #auth-message { margin: 0 0 18px; color: var(--muted); }
#google-login { width: 100%; }

.account-menu { position: relative; }
.account-menu summary {
  list-style: none; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; font-weight: 800; background: var(--panel-2);
}
.account-menu summary::-webkit-details-marker { display: none; }
.account-popover {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 90;
  width: 240px; padding: 12px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--panel); box-shadow: var(--shadow); display: grid; gap: 7px;
}
.account-popover strong, .account-popover small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-popover small { color: var(--muted); border-bottom: 1px solid var(--border); padding-bottom: 9px; }
.account-popover a, .account-popover button { text-decoration: none; border: 0; background: transparent; color: var(--text); text-align: left; padding: 7px 4px; cursor: pointer; border-radius: 7px; }
.account-popover a:hover, .account-popover button:hover { background: var(--panel-2); }
.sync-status[data-status="synced"], .sync-status[data-status="saved"] { color: var(--good); }
.sync-status[data-status="syncing"], .sync-status[data-status="saving"] { color: var(--warn); }
.sync-status[data-status="pending"], .sync-status[data-status="offline"] { color: var(--warn); }

.history-panel { padding: 16px; }
.history-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 6px; }
.history-toolbar label { display: grid; gap: 5px; color: var(--muted); font-size: .82rem; font-weight: 700; }
.history-toolbar select { min-height: 42px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg); color: var(--text); padding: 7px 10px; }
.history-toolbar .ghost-button { margin-left: auto; }
.history-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 22px; align-items: center; padding: 18px 2px; border-top: 1px solid var(--border); }
.history-row p { margin: 3px 0 0; color: var(--muted); }
.history-row-actions { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.history-row-actions small { color: var(--warn); }
.history-score { min-width: 58px; text-align: right; font-weight: 800; }
.account-page { padding: 20px; }
.account-page dl { display: grid; grid-template-columns: 110px minmax(0,1fr); gap: 10px 16px; margin: 0; }
.account-page dt { color: var(--muted); }
.account-page dd { margin: 0; overflow-wrap: anywhere; }
.danger-text { color: var(--bad); }

@media (max-width: 880px) {
  .mobile-nav { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .history-row { grid-template-columns: 1fr; gap: 8px; }
  .history-row-actions { justify-content: space-between; flex-wrap: wrap; }
  .history-score { text-align: left; min-width: 0; }
  .history-toolbar .ghost-button { width: 100%; margin-left: 0; }
  .account-page dl { grid-template-columns: 1fr; gap: 3px; }
  .account-page dd { margin-bottom: 10px; }
  .account-menu summary { width: 36px; height: 36px; }
  .account-popover { position: fixed; right: 12px; top: 62px; width: min(280px, calc(100vw - 24px)); }
}