:root {
  --sk1-bg: #f4fbef;
  --sk1-bg-2: #fffaf0;
  --sk1-card: rgba(255, 255, 248, 0.94);
  --sk1-card-solid: #fffef8;
  --sk1-text: #172b23;
  --sk1-muted: #66796b;
  --sk1-green: #63c86b;
  --sk1-green-dark: #2f8a4c;
  --sk1-green-soft: #e8f8dc;
  --sk1-yellow: #f4c95d;
  --sk1-pink: #efb5c8;
  --sk1-blue: #78b7df;
  --sk1-red: #ef6b6b;
  --sk1-border: rgba(74, 128, 84, 0.18);
  --sk1-shadow: 0 18px 42px rgba(53, 102, 61, 0.14), inset 0 1px 0 rgba(255,255,255,0.94);
  --sk1-shadow-soft: 0 10px 24px rgba(53, 102, 61, 0.11);
}

.sk1-app,
.sk1-app * { box-sizing: border-box; }

body:has(#sekokan-1ji-app) .site-content .ast-container,
body.sekokan-1ji-page .site-content .ast-container,
body:has(#sekokan-1ji-app) .site-content .content-area,
body.sekokan-1ji-page .site-content .content-area,
body:has(#sekokan-1ji-app) .site-main,
body.sekokan-1ji-page .site-main,
body:has(#sekokan-1ji-app) #primary,
body.sekokan-1ji-page #primary,
body:has(#sekokan-1ji-app) .entry-content,
body.sekokan-1ji-page .entry-content,
body:has(#sekokan-1ji-app) .wp-block-post-content,
body.sekokan-1ji-page .wp-block-post-content,
body:has(#sekokan-1ji-app) .is-layout-constrained,
body.sekokan-1ji-page .is-layout-constrained,
body:has(#sekokan-1ji-app) .wp-site-blocks,
body.sekokan-1ji-page .wp-site-blocks,
body:has(#sekokan-1ji-app) .elementor-section-wrap,
body.sekokan-1ji-page .elementor-section-wrap,
body:has(#sekokan-1ji-app) .elementor-container,
body.sekokan-1ji-page .elementor-container {
  width: 100% !important;
  max-width: none !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

body.sekokan-1ji-page .entry-content > *,
body.sekokan-1ji-page .wp-block-post-content > * {
  max-width: none !important;
}

.sekokan-1ji-html,
body.sekokan-1ji-page {
  height: auto !important;
  min-height: 100% !important;
  overflow-y: auto !important;
}

body.sekokan-1ji-page .site,
body.sekokan-1ji-page .site-content,
body.sekokan-1ji-page .site-main,
body.sekokan-1ji-page article,
body.sekokan-1ji-page .entry-content,
body.sekokan-1ji-page .wp-site-blocks,
body.sekokan-1ji-page .ast-container {
  min-height: auto !important;
  height: auto !important;
  overflow: visible !important;
}

body.sekokan-1ji-page .site-content,
body.sekokan-1ji-page .site-main,
body.sekokan-1ji-page #primary,
body.sekokan-1ji-page article,
body.sekokan-1ji-page .entry-content {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.sk1-fullbleed {
  position: relative;
  left: 50%;
  right: 50%;
  width: 100vw;
  max-width: 100vw;
  margin-left: -50vw;
  margin-right: -50vw;
  min-height: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12px 10px;
  overflow-x: clip;
  overflow-y: visible;
}

.sk1-login-box,
.sk1-app {
  width: min(100%, 1180px);
  margin: 0 auto;
  color: var(--sk1-text);
  font-family: Inter, Arial, "Noto Sans", "Helvetica Neue", system-ui, sans-serif;
  text-rendering: optimizeLegibility;
}

.sk1-login-box {
  padding: 24px;
  border-radius: 26px;
  background: var(--sk1-card-solid);
  box-shadow: var(--sk1-shadow);
}

.sk1-app {
  min-height: auto;
  padding: 12px 12px calc(88px + env(safe-area-inset-bottom));
  position: relative;
  overflow-x: clip;
  isolation: isolate;
  background:
    radial-gradient(circle at 10% 6%, rgba(255, 234, 161, .58), transparent 28%),
    radial-gradient(circle at 88% 7%, rgba(184, 230, 181, .70), transparent 30%),
    radial-gradient(circle at 78% 88%, rgba(239, 181, 200, .22), transparent 28%),
    linear-gradient(180deg, #fbfff6 0%, #eef9e8 46%, #fff8ee 100%);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 28px;
}

.sk1-app::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 190px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(80px 22px at 18% 100%, rgba(88, 169, 90, .16), transparent 72%),
    radial-gradient(92px 24px at 54% 100%, rgba(118, 191, 112, .14), transparent 72%),
    radial-gradient(100px 26px at 88% 100%, rgba(88, 169, 90, .13), transparent 72%);
}

.sk1-bg-leaf {
  position: absolute;
  pointer-events: none;
  opacity: .38;
  filter: blur(.1px);
  z-index: 0;
}
.sk1-bg-leaf::before,
.sk1-bg-leaf::after {
  content: "";
  position: absolute;
  border-radius: 999px 999px 999px 18px;
  background: linear-gradient(135deg, rgba(112, 190, 104, .65), rgba(255,255,255,.2));
  border: 1px solid rgba(69, 139, 78, .15);
}
.sk1-bg-leaf-a { width: 90px; height: 90px; right: -22px; top: 80px; transform: rotate(-25deg); }
.sk1-bg-leaf-a::before { width: 56px; height: 30px; right: 20px; top: 0; }
.sk1-bg-leaf-a::after { width: 42px; height: 24px; right: 0; top: 36px; }
.sk1-bg-leaf-b { width: 100px; height: 100px; left: -26px; top: 260px; transform: rotate(22deg); }
.sk1-bg-leaf-b::before { width: 58px; height: 30px; left: 10px; top: 10px; }
.sk1-bg-leaf-b::after { width: 45px; height: 24px; left: 42px; top: 48px; }

.sk1-hero,
.sk1-card,
.sk1-bottom-nav {
  position: relative;
  z-index: 1;
  border: 1px solid var(--sk1-border);
  box-shadow: var(--sk1-shadow);
  backdrop-filter: blur(10px);
}

.sk1-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.94), rgba(239, 251, 230, .90)),
    radial-gradient(circle at 80% 10%, rgba(244, 201, 93, .24), transparent 35%);
}

.sk1-eyebrow {
  margin: 0 0 6px;
  color: var(--sk1-green-dark);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sk1-hero h1,
.sk1-card h2,
.sk1-sheet-card h2 {
  margin: 0;
  line-height: 1.16;
}
.sk1-hero h1 { font-size: clamp(25px, 7vw, 42px); letter-spacing: -.04em; }
.sk1-card h2 { font-size: clamp(20px, 5vw, 28px); letter-spacing: -.03em; }
.sk1-subtitle,
.sk1-help {
  margin: 8px 0 0;
  color: var(--sk1-muted);
  font-size: 14px;
  line-height: 1.5;
}

.sk1-score-orb {
  flex: 0 0 auto;
  width: 82px;
  min-height: 82px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  text-align: center;
  background: linear-gradient(180deg, #fff8cf, #dff5c9);
  border: 1px solid rgba(127, 164, 55, .22);
  box-shadow: 0 12px 24px rgba(101, 137, 35, .14), inset 0 -5px 0 rgba(79, 157, 105, .13);
}
.sk1-score-orb span { display: block; font-weight: 950; font-size: 18px; }
.sk1-score-orb small { display: block; color: var(--sk1-muted); font-weight: 800; }

.sk1-main { margin-top: 14px; display: grid; gap: 14px; }
.sk1-card {
  padding: 16px;
  border-radius: 26px;
  background: var(--sk1-card);
}
.sk1-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.sk1-stack-mobile { flex-direction: column; }

.sk1-pill,
.sk1-counter {
  white-space: nowrap;
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(114, 199, 112, .14);
  border: 1px solid rgba(114, 199, 112, .22);
  font-weight: 900;
  color: var(--sk1-green-dark);
}
.sk1-counter { font-size: 18px; }

.sk1-mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.sk1-mission-grid div,
.sk1-room-tile {
  padding: 13px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(239, 249, 234, .82));
  border: 1px solid var(--sk1-border);
}
.sk1-mission-grid strong { display: block; font-size: 22px; line-height: 1; }
.sk1-mission-grid span { display: block; color: var(--sk1-muted); font-weight: 800; margin-top: 5px; }
.sk1-mission-grid span { word-break: keep-all; overflow-wrap: normal; }

.sk1-room-grid {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}
.sk1-room-tile strong { display: block; font-size: 15px; margin-bottom: 4px; }
.sk1-room-tile p { margin: 0; color: var(--sk1-muted); line-height: 1.45; font-size: 13px; }

.sk1-primary {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 18px;
  padding: 13px 16px;
  cursor: pointer;
  color: #fff;
  font-weight: 950;
  font-size: 16px;
  background: linear-gradient(180deg, #73d873, #44a75d);
  box-shadow: inset 0 -4px 0 rgba(0,0,0,.15), 0 10px 18px rgba(57, 151, 84, .18);
}
.sk1-primary:active { transform: translateY(1px); }

.sk1-select,
.sk1-input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--sk1-border);
  background: rgba(255,255,255,.92);
  color: var(--sk1-text);
  font-weight: 800;
}

.sk1-question-list { display: grid; gap: 14px; }
.sk1-question {
  padding: 14px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.97), rgba(250, 255, 245, .93));
  border: 1px solid var(--sk1-border);
  box-shadow: var(--sk1-shadow-soft);
}
.sk1-q-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 10px;
}
.sk1-q-meta span {
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  color: #31563c;
  background: rgba(114, 199, 112, .14);
}
.sk1-q-text {
  font-size: 16px;
  line-height: 1.7;
  font-weight: 800;
  margin-bottom: 12px;
  word-break: break-word;
}
.sk1-options { display: grid; gap: 9px; }
.sk1-option {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--sk1-border);
  border-radius: 16px;
  padding: 10px;
  background: #fffef8;
  cursor: pointer;
}
.sk1-option input { accent-color: var(--sk1-green-dark); }
.sk1-option-index {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(244, 201, 93, .28);
  font-weight: 950;
}
.sk1-option.is-correct { border-color: rgba(35, 160, 83, .45); background: rgba(210, 249, 218, .82); }
.sk1-option.is-wrong { border-color: rgba(239, 107, 107, .48); background: rgba(255, 224, 224, .82); }

.sk1-inline-term,
.sk1-term-chip {
  border: 0;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(244, 201, 93, .36);
  color: #765816;
  font-weight: 950;
  cursor: pointer;
}
.sk1-linked-terms { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.sk1-term-chip { padding: 7px 10px; }

.sk1-feedback,
.sk1-result,
.sk1-empty {
  margin-top: 12px;
  padding: 13px;
  border-radius: 18px;
  background: rgba(238, 246, 225, .78);
  border: 1px solid var(--sk1-border);
  color: var(--sk1-text);
}
.sk1-explanation { color: #365440; line-height: 1.65; }
.sk1-result-score {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.sk1-result-score strong { font-size: 28px; }
.sk1-result-score span { font-weight: 950; color: var(--sk1-green-dark); }
.sk1-section-score { display: grid; gap: 7px; margin-top: 10px; }
.sk1-section-score div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 13px;
  background: rgba(255,255,255,.58);
}

.sk1-term-list { display: grid; gap: 10px; }
.sk1-term-card {
  width: 100%;
  text-align: left;
  border: 1px solid var(--sk1-border);
  border-radius: 18px;
  padding: 12px;
  background: linear-gradient(180deg, #fffef8, #f4fbec);
  cursor: pointer;
}
.sk1-term-card strong { display: block; font-size: 18px; }
.sk1-term-card span { color: var(--sk1-green-dark); font-weight: 900; }
.sk1-term-card p { margin: 6px 0 0; color: var(--sk1-muted); }

.sk1-sheet[hidden] { display: none; }
.sk1-sheet {
  position: fixed;
  z-index: 99999;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.sk1-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 42, 31, .36);
}
.sk1-sheet-card {
  position: relative;
  z-index: 1;
  width: min(100%, 680px);
  max-height: 86dvh;
  overflow: auto;
  padding: 18px;
  border-radius: 28px 28px 0 0;
  background: #fffef8;
  box-shadow: 0 -18px 44px rgba(37, 80, 51, .22);
}
.sk1-sheet-close {
  float: right;
  border: 0;
  border-radius: 999px;
  padding: 9px 13px;
  background: rgba(239, 107, 107, .14);
  color: #9f3030;
  font-weight: 950;
}
.sk1-term-section {
  margin-top: 12px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(243, 250, 237, .9);
  border: 1px solid var(--sk1-border);
}
.sk1-term-section h3 { margin: 0 0 6px; font-size: 15px; }
.sk1-term-section p { margin: 0; line-height: 1.55; color: #385643; }

.sk1-bottom-nav {
  position: fixed;
  left: 50%;
  bottom: max(10px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 50;
  width: min(calc(100% - 20px), 620px);
  min-height: 64px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
  padding: 7px;
  border-radius: 24px;
  background: rgba(255, 255, 248, .94);
  border: 1px solid var(--sk1-border);
  box-shadow: 0 14px 30px rgba(51, 98, 62, .18);
  backdrop-filter: blur(14px);
}
.sk1-bottom-nav button {
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: var(--sk1-muted);
  font-weight: 950;
  font-size: 12px;
  min-height: 48px;
  cursor: pointer;
}
.sk1-bottom-nav button.is-active {
  color: #fff;
  background: linear-gradient(180deg, #73d873, #44a75d);
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.12);
}

@media (min-width: 720px) {
  .sk1-mission-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sk1-stack-mobile { flex-direction: row; }
  .sk1-select,
  .sk1-input { width: min(320px, 100%); }
}

@media (min-width: 900px) {
  .sk1-fullbleed {
    padding-top: 16px;
    padding-bottom: 48px;
  }

  .sk1-app {
    width: min(calc(100vw - 48px), 1480px);
    max-width: 1480px;
    min-height: auto;
    margin: 0 auto;
    left: auto;
    transform: none;
    padding: 32px;
    display: grid;
    grid-template-columns: 292px minmax(0, 1fr);
    grid-template-rows: auto auto;
    gap: 22px;
    border-radius: 38px;
  }

  .sk1-hero {
    grid-column: 1 / -1;
    padding: 30px 34px;
    min-height: 154px;
  }

  .sk1-score-orb {
    width: 112px;
    min-height: 112px;
  }
  .sk1-score-orb span { font-size: 24px; }

  .sk1-bottom-nav {
    position: sticky;
    top: 28px;
    left: auto;
    bottom: auto;
    transform: none;
    grid-column: 1;
    grid-row: 2;
    width: auto;
    min-height: 0;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    border-radius: 28px;
  }

  .sk1-bottom-nav::before {
    content: "Garden Menu";
    display: block;
    padding: 4px 10px 8px;
    color: var(--sk1-green-dark);
    font-size: 12px;
    font-weight: 950;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .sk1-bottom-nav button {
    width: 100%;
    min-height: 54px;
    padding: 0 14px;
    text-align: left;
    font-size: 14px;
  }

  .sk1-bottom-nav button::before {
    display: inline-block;
    width: 24px;
    margin-right: 8px;
    text-align: center;
  }
  .sk1-bottom-nav button:nth-child(1)::before { content: "🌿"; }
  .sk1-bottom-nav button:nth-child(2)::before { content: "📘"; }
  .sk1-bottom-nav button:nth-child(3)::before { content: "🔎"; }
  .sk1-bottom-nav button:nth-child(4)::before { content: "📝"; }
  .sk1-bottom-nav button:nth-child(5)::before { content: "🧪"; }

  .sk1-main {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0;
    align-self: start;
    width: 100%;
  }

  .sk1-card { padding: 28px; border-radius: 32px; }
  .sk1-mission-grid { grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 16px; }
  .sk1-mission-grid div { min-height: 112px; padding: 18px 16px; }
  .sk1-mission-grid strong { font-size: 26px; }
  .sk1-mission-grid span { font-size: 15px; line-height: 1.35; }
  .sk1-room-grid { grid-template-columns: repeat(3, minmax(220px, 1fr)); gap: 16px; }
  .sk1-question { padding: 18px; }
  .sk1-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .sk1-sheet { align-items: center; padding: 24px; }
  .sk1-sheet-card { border-radius: 30px; max-height: min(760px, 86dvh); }
}

@media (min-width: 1280px) {
  .sk1-app {
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 28px;
  }
  .sk1-hero h1 { font-size: 48px; }
  .sk1-card h2 { font-size: 34px; }
  .sk1-mission-grid { grid-template-columns: repeat(4, minmax(150px, 1fr)); }
  .sk1-options { grid-template-columns: repeat(2, minmax(260px, 1fr)); }
}

@media (max-width: 380px) {
  .sk1-app { width: min(calc(100% - 12px), 100%); padding-left: 10px; padding-right: 10px; border-radius: 20px; }
  .sk1-hero { padding: 14px; border-radius: 22px; }
  .sk1-score-orb { width: 72px; min-height: 72px; }
  .sk1-score-orb span { font-size: 15px; }
  .sk1-bottom-nav button { font-size: 11px; }
  .sk1-option { align-items: flex-start; }
}

@media (max-width: 899px) {
  .sk1-fullbleed {
    width: 100%;
    max-width: 100%;
    left: auto;
    right: auto;
    margin-left: 0;
    margin-right: 0;
    min-height: auto;
    padding: 0;
  }
}

@media (min-width: 900px) {
  body.sekokan-1ji-page {
    overflow-x: hidden;
    overflow-y: auto !important;
  }
  .sk1-main > .sk1-card:not([hidden]) {
    min-width: 0;
  }
}

/* v0.1.5: figure support for official exam diagrams */
.sk1-question-image {
  margin: 14px 0 16px;
  padding: 12px;
  border: 1px solid var(--sk1-border);
  border-radius: 18px;
  background: rgba(255,255,255,.78);
  overflow-x: auto;
}
.sk1-question-image img {
  display: block;
  width: min(100%, 780px);
  height: auto;
  margin: 0 auto;
}
.sk1-option-body {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.sk1-option-image {
  display: block;
  width: min(100%, 420px);
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(74,128,84,.16);
  background: #fff;
}
@media (min-width: 900px) {
  .sk1-options:has(.sk1-option-image) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* v0.1.6 — immediate answer feedback + richer Vietnamese dictionary */
.sk1-feedback {
  margin-top: 16px;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(74, 151, 86, .22);
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(241,251,237,.94));
  box-shadow: 0 12px 28px rgba(54, 116, 72, .10);
}
.sk1-feedback-title {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 900;
  margin-bottom: 8px;
}
.sk1-feedback-title.is-ok { color: #126734; background: #daf7df; }
.sk1-feedback-title.is-ng { color: #9b1c1c; background: #ffe1df; }
.sk1-answer-line { margin: 6px 0 10px; color: #173326; font-weight: 700; }
.sk1-term-mini {
  display: grid;
  gap: 8px;
  margin: 10px 0 12px;
}
.sk1-term-mini > strong { color: #2f7b45; font-size: 13px; letter-spacing: .04em; }
.sk1-term-mini-chip {
  text-align: left;
  border: 1px solid rgba(71, 153, 89, .20);
  border-radius: 16px;
  background: rgba(255,255,255,.78);
  padding: 9px 10px;
  color: #122034;
  font-weight: 800;
  cursor: pointer;
}
.sk1-term-mini-chip small,
.sk1-term-mini-chip em {
  display: block;
  color: #667b6d;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  margin-top: 2px;
}
.sk1-explanation-rich,
.sk1-explanation {
  display: grid;
  gap: 12px;
  color: #1d3025;
  line-height: 1.7;
}
.sk1-explain-block {
  border-top: 1px dashed rgba(73, 145, 86, .25);
  padding-top: 10px;
}
.sk1-explain-block:first-child { border-top: 0; padding-top: 0; }
.sk1-explain-block h4 {
  margin: 0 0 6px;
  color: #218344;
  font-size: 14px;
  letter-spacing: .04em;
}
.sk1-explain-block p,
.sk1-explain-block ul { margin: 0; }
.sk1-explain-block li { margin: 8px 0; }
.sk1-muted-note { color: #7a8b7d; }
.sk1-term-card small {
  display: block;
  margin-top: 6px;
  color: #3e7d50;
  font-weight: 700;
  line-height: 1.45;
}

/* v0.1.7 — UX QA polish: hierarchy, alignment, contrast, option readability */
.sk1-score-orb {
  width: auto;
  min-width: 118px;
  min-height: 78px;
  padding: 14px 18px 12px;
  border-radius: 28px;
  align-content: center;
  gap: 2px;
  background: linear-gradient(180deg, #fff9d8, #e4f6cf);
}
.sk1-score-orb span {
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1;
  letter-spacing: -.03em;
  color: #14311f;
}
.sk1-score-orb small {
  margin-top: 4px;
  line-height: 1.1;
  color: #4f6b55;
  font-size: 12px;
}

.sk1-card-head {
  align-items: center;
}
.sk1-card-head.sk1-stack-mobile {
  align-items: center;
}
.sk1-card-head > div {
  min-width: 0;
}
.sk1-card-head .sk1-select,
.sk1-card-head .sk1-input {
  flex: 0 0 auto;
}

.sk1-bottom-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #52695c;
  border: 1px solid transparent;
}
.sk1-bottom-nav button:not(.is-active) {
  background: rgba(255,255,255,.48);
}
.sk1-bottom-nav button:not(.is-active):hover,
.sk1-bottom-nav button:not(.is-active):focus-visible {
  background: rgba(255,255,255,.84);
  border-color: rgba(74,128,84,.16);
  color: #244a31;
}
.sk1-bottom-nav button.is-active {
  color: #fff;
  background: linear-gradient(180deg, #62cf68, #3ea65a);
  box-shadow: inset 0 -4px 0 rgba(0,0,0,.14), 0 8px 18px rgba(52, 147, 79, .18);
}

.sk1-q-meta {
  gap: 8px;
  margin-bottom: 14px;
}
.sk1-q-meta span {
  color: #234735;
  background: #e2f3dc;
  border: 1px solid rgba(54, 122, 68, .24);
  font-size: 12.5px;
  letter-spacing: .01em;
}
.sk1-q-text {
  margin-bottom: 18px;
  color: #16261f;
}

.sk1-options {
  gap: 12px;
}
.sk1-option {
  position: relative;
  align-items: flex-start;
  gap: 14px;
  min-height: 58px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #fffef8;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease, transform .15s ease;
}
.sk1-option:hover,
.sk1-option:focus-within {
  border-color: rgba(47, 138, 76, .38);
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(53, 102, 61, .08);
}
.sk1-option:active {
  transform: translateY(1px);
}
.sk1-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.sk1-option-index {
  width: 30px;
  height: 30px;
  border-radius: 12px;
  background: #edf5e8;
  border: 1px solid rgba(74, 128, 84, .20);
  color: #2e4b38;
}
.sk1-option.is-selected {
  border-color: rgba(47, 138, 76, .55);
  background: #f2fbef;
  box-shadow: 0 10px 22px rgba(53, 102, 61, .12);
}
.sk1-option.is-selected .sk1-option-index {
  color: #fff;
  background: #3fa65a;
  border-color: #3fa65a;
}
.sk1-option.is-correct .sk1-option-index {
  color: #fff;
  background: #22a653;
  border-color: #22a653;
}
.sk1-option.is-wrong .sk1-option-index {
  color: #fff;
  background: #d94f4f;
  border-color: #d94f4f;
}
.sk1-option-body {
  width: 100%;
  min-width: 0;
  line-height: 1.65;
  overflow-wrap: anywhere;
  color: #172b23;
}

.sk1-term-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(232, 248, 220, .70);
  border: 1px solid rgba(74,128,84,.16);
}
.sk1-term-row-label {
  color: #31563c;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.sk1-inline-term,
.sk1-term-chip {
  border: 1px solid rgba(47, 138, 76, .20);
  background: #fff8d8;
  color: #5b4214;
}
.sk1-term-chip {
  padding: 7px 11px;
  border-radius: 999px;
}

@media (min-width: 900px) {
  .sk1-card-head.sk1-stack-mobile {
    flex-direction: row;
    justify-content: space-between;
  }
  .sk1-question {
    padding: 24px;
    border-radius: 28px;
  }
  .sk1-options {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .sk1-question.has-option-images .sk1-options {
    grid-template-columns: repeat(2, minmax(280px, 1fr));
  }
  .sk1-question.has-option-images .sk1-option {
    min-height: 120px;
  }
}

@media (min-width: 1280px) {
  .sk1-options {
    grid-template-columns: 1fr;
  }
  .sk1-question.has-option-images .sk1-options {
    grid-template-columns: repeat(2, minmax(320px, 1fr));
  }
}

@media (max-width: 899px) {
  .sk1-card-head.sk1-stack-mobile {
    align-items: stretch;
  }
  .sk1-score-orb {
    min-width: 86px;
    min-height: 74px;
    padding: 12px;
  }
  .sk1-options {
    grid-template-columns: 1fr;
  }
  .sk1-option {
    min-height: 56px;
  }
}


/* v0.1.8 QA micro-polish: hierarchy, hit areas, and theme scroll button */
body.sekokan-1ji-page #ast-scroll-top,
body.sekokan-1ji-page .ast-scroll-top,
body.sekokan-1ji-page .scroll-to-top,
body.sekokan-1ji-page .back-to-top,
body.sekokan-1ji-page .generate-back-to-top {
  width: 46px !important;
  height: 46px !important;
  border-radius: 999px !important;
  border: 1px solid rgba(47, 138, 76, .28) !important;
  background: linear-gradient(180deg, #5fca67, #2f8a4c) !important;
  color: #fff !important;
  box-shadow: 0 12px 26px rgba(47, 138, 76, .28), inset 0 -4px 0 rgba(0,0,0,.14) !important;
}
body.sekokan-1ji-page #ast-scroll-top:hover,
body.sekokan-1ji-page .ast-scroll-top:hover,
body.sekokan-1ji-page .scroll-to-top:hover,
body.sekokan-1ji-page .back-to-top:hover,
body.sekokan-1ji-page .generate-back-to-top:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
}

.sk1-card-head.sk1-stack-mobile {
  align-items: center;
}
.sk1-card-head.sk1-stack-mobile > div:first-child {
  min-width: 0;
}
.sk1-card-head .sk1-select {
  align-self: center;
  min-height: 42px;
}

.sk1-nav-btn,
.sk1-bottom-nav button {
  cursor: pointer;
}
.sk1-nav-btn {
  padding: 15px 18px;
  gap: 14px;
}
.sk1-nav-btn span:first-child {
  width: 24px;
  min-width: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sk1-q-meta {
  align-items: center;
  gap: 8px;
}
.sk1-q-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  line-height: 1.1;
}
.sk1-q-meta .sk1-q-meta-exam {
  color: #1d5f3a;
  background: #dff3d8;
  border-color: rgba(47, 138, 76, .28);
}
.sk1-q-meta .sk1-q-meta-section {
  color: #33443a;
  background: #f3f5f1;
  border-color: rgba(69, 86, 74, .18);
}
.sk1-q-meta .sk1-q-meta-topic {
  color: #3f5447;
  background: rgba(255,255,255,.50);
  border-color: rgba(71, 109, 82, .26);
}

.sk1-term-row {
  align-items: center;
  margin-top: 2px;
  margin-bottom: 20px;
}
.sk1-term-row-label {
  min-width: max-content;
}

.sk1-q-text {
  margin-bottom: 22px;
}
.sk1-question-image {
  margin: 2px 0 20px;
}

.sk1-option {
  cursor: pointer;
  user-select: none;
}
.sk1-option-index {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-align: center;
}
.sk1-option-body {
  padding-right: 4px;
}
.sk1-option:focus-within {
  outline: 3px solid rgba(95, 202, 103, .22);
  outline-offset: 2px;
}

@media (min-width: 900px) {
  .sk1-card-head.sk1-stack-mobile {
    align-items: center;
  }
  .sk1-card-head .sk1-select {
    min-width: 180px;
  }
}

@media (max-width: 899px) {
  .sk1-card-head.sk1-stack-mobile {
    gap: 12px;
  }
  .sk1-card-head .sk1-select {
    width: 100%;
  }
  .sk1-nav-btn {
    padding: 14px 16px;
  }
}


/* v0.1.9: simplified answer feedback — translation first, no fake deep analysis. */
.sk1-simple-translation-feedback .sk1-explain-block h4 {
  margin-bottom: 12px;
}
.sk1-option-translation-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sk1-option-translation {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(102, 121, 107, .16);
}
.sk1-option-translation.is-answer {
  background: rgba(99, 200, 107, .13);
  border-color: rgba(47, 138, 76, .34);
}
.sk1-option-translation-no {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  line-height: 1;
  color: #274136;
  background: rgba(218, 232, 214, .95);
}
.sk1-option-translation.is-answer .sk1-option-translation-no {
  color: #fff;
  background: var(--sk1-green-dark);
}
.sk1-option-translation strong {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 6px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #46594d;
  background: rgba(102, 121, 107, .10);
  font-size: 12px;
  font-weight: 950;
}
.sk1-option-translation.is-answer strong {
  color: #1f6b3e;
  background: rgba(99, 200, 107, .20);
}
.sk1-option-translation-jp,
.sk1-option-translation-vi {
  margin: 0;
  line-height: 1.55;
}
.sk1-option-translation-jp {
  color: #172b23;
  font-weight: 750;
}
.sk1-option-translation-vi {
  margin-top: 5px;
  color: #43564a;
}


/* v0.2.1: exam session selector so imported exams are not hidden by latest 50 limit */
.sk1-filter-row,
.sk1-mock-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sk1-filter-row .sk1-select,
.sk1-mock-tools .sk1-select {
  min-width: 180px;
}

.sk1-mock-tools .sk1-counter {
  flex: 0 0 auto;
}

@media (max-width: 720px) {
  .sk1-filter-row,
  .sk1-mock-tools {
    width: 100%;
    justify-content: stretch;
  }
  .sk1-filter-row .sk1-select,
  .sk1-mock-tools .sk1-select {
    width: 100%;
    min-width: 0;
  }
  .sk1-mock-tools .sk1-counter {
    width: 100%;
  }
}