:root {
  --quiz-ink: #17233c;
  --quiz-ink-2: #273653;
  --quiz-muted: #5f6f89;
  --quiz-dim: #8492a8;
  --quiz-canvas: #f4f7fb;
  --quiz-surface: #ffffff;
  --quiz-surface-soft: #eef3fa;
  --quiz-line: #d8e2f0;
  --quiz-line-strong: #b9c8dd;
  --quiz-primary: #3659e3;
  --quiz-primary-strong: #2946bd;
  --quiz-primary-soft: #e9efff;
  --quiz-teal: #0f9f8f;
  --quiz-teal-soft: #e3f6f2;
  --quiz-amber: #e59a16;
  --quiz-coral: #e55353;
  --quiz-violet: #7257d8;
  --quiz-danger: #c73e4f;
  --quiz-stage: #061427;
  --quiz-stage-surface: #0b2039;
  --quiz-radius-sm: 8px;
  --quiz-radius: 14px;
  --quiz-radius-lg: 20px;
  --quiz-shadow: 0 14px 36px rgba(26, 48, 84, .09);
  --quiz-font: "SUIT", "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.quiz-studio-page,
.quiz-player-page,
body.has-quiz-admin-context {
  font-family: var(--quiz-font);
}

.quiz-studio-page :where(button, a, input, select, textarea, summary):focus-visible,
.quiz-player-page :where(button, a, input, select, textarea, summary):focus-visible,
body.has-quiz-admin-context :where(button, a, input, select, textarea, summary):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--quiz-primary) 74%, white);
  outline-offset: 3px;
}

.quiz-studio-page :where(button, a),
.quiz-player-page :where(button, a) {
  -webkit-tap-highlight-color: transparent;
}

.quiz-admin-context-host {
  width: min(100%, var(--quiz-admin-context-shell-max, 1480px));
  max-width: var(--quiz-admin-context-shell-max, 1480px);
}

#quizAdminContextBar.quiz-admin-context {
  --border: var(--quiz-line);
  --card-bg: var(--quiz-surface);
  --bg-hover: var(--quiz-primary-soft);
  --text-main: var(--quiz-ink);
  --text-sub: var(--quiz-muted);
  --primary: var(--quiz-primary);
  --primary-soft: var(--quiz-primary-soft);
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 64px;
  margin: 0 auto 18px;
  padding: 8px 10px 8px 14px;
  border: 1px solid var(--quiz-line);
  border-radius: var(--quiz-radius);
  background: rgba(255, 255, 255, .96);
  color: var(--quiz-ink);
  box-shadow: 0 8px 26px rgba(30, 55, 90, .06);
  backdrop-filter: none;
}

.quiz-admin-context .ctx-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: var(--quiz-ink);
  text-decoration: none;
}

.quiz-admin-context .ctx-brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--quiz-primary);
  color: white;
  font-size: 1.02rem;
  font-weight: 950;
  letter-spacing: -.05em;
}

.quiz-admin-context .ctx-brand-copy {
  display: grid;
  line-height: 1.08;
}

.quiz-admin-context .ctx-brand-copy strong {
  font-size: .98rem;
  letter-spacing: -.02em;
}

.quiz-admin-context .ctx-brand-copy small {
  margin-top: 4px;
  color: var(--quiz-muted);
  font-size: .72rem;
  font-weight: 700;
}

.quiz-admin-context .ctx-primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  margin-right: auto;
}

.quiz-admin-context .ctx-link,
.quiz-admin-context .ctx-utility-link,
.quiz-admin-context .ctx-more > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 13px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--quiz-muted);
  font-size: .86rem;
  font-weight: 800;
  line-height: 1.1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color .16s ease, background .16s ease;
}

.quiz-admin-context .ctx-link:hover,
.quiz-admin-context .ctx-utility-link:hover,
.quiz-admin-context .ctx-more > summary:hover {
  color: var(--quiz-primary-strong);
  background: var(--quiz-primary-soft);
  transform: none;
}

.quiz-admin-context .ctx-link.is-active {
  color: var(--quiz-primary-strong);
  background: var(--quiz-primary-soft);
  box-shadow: none;
}

.quiz-admin-context .ctx-more {
  position: relative;
}

.quiz-admin-context .ctx-more > summary {
  list-style: none;
}

.quiz-admin-context .ctx-more > summary::-webkit-details-marker {
  display: none;
}

.quiz-admin-context .ctx-more-menu {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  width: min(280px, calc(100vw - 28px));
  padding: 8px;
  border: 1px solid var(--quiz-line);
  border-radius: 12px;
  background: white;
  box-shadow: 0 18px 48px rgba(26, 48, 84, .16);
}

.quiz-admin-context .ctx-more-menu .ctx-link {
  justify-content: flex-start;
  width: 100%;
}

.quiz-admin-context .ctx-utility-link {
  border: 1px solid var(--quiz-line);
}

.quiz-admin-context .ctx-scope {
  color: var(--quiz-dim);
  font-size: .75rem;
  font-weight: 750;
  white-space: nowrap;
}

@media (max-width: 860px) {
  #quizAdminContextBar.quiz-admin-context {
    align-items: stretch;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
  }

  .quiz-admin-context .ctx-brand {
    margin-right: auto;
  }

  .quiz-admin-context .ctx-primary-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .quiz-admin-context .ctx-scope {
    display: none;
  }
}

/* Approved teacher Quiz Studio shell: dark, continuous and projector-adjacent. */
.quiz-studio-page:not(.quiz-player-page),
body.has-quiz-admin-context {
  --quiz-ink: #f4f7fb;
  --quiz-ink-2: #d7e0ec;
  --quiz-muted: #97a6ba;
  --quiz-dim: #6f8098;
  --quiz-canvas: #06111f;
  --quiz-surface: #0a192b;
  --quiz-surface-soft: #0d2036;
  --quiz-line: #22364f;
  --quiz-line-strong: #3b5575;
  --quiz-primary: #2878ff;
  --quiz-primary-strong: #4c91ff;
  --quiz-primary-soft: rgba(40, 120, 255, .14);
  --quiz-teal: #41d6b3;
  --quiz-teal-soft: rgba(65, 214, 179, .12);
  --quiz-amber: #ffae42;
  --quiz-coral: #ff6f68;
  --quiz-violet: #9b72ff;
  --quiz-danger: #ff7b83;
  --quiz-shadow: none;
  color-scheme: dark;
}

@media (min-width: 981px) {
  body.has-quiz-admin-context {
    padding-left: 86px !important;
  }

  body.has-quiz-admin-context .quiz-admin-context-host {
    width: 100%;
    max-width: none;
  }

  #quizAdminContextBar.quiz-admin-context {
    position: fixed;
    z-index: 80;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 86px;
    min-height: 100dvh;
    margin: 0;
    padding: 16px 0 14px;
    border: 0;
    border-right: 1px solid #263a53;
    border-radius: 0;
    background: #071524;
    box-shadow: none;
  }

  .quiz-admin-context .ctx-brand {
    justify-content: center;
    min-width: 0;
    height: 64px;
    margin: 0 0 20px;
  }

  .quiz-admin-context .ctx-brand-mark {
    width: 42px;
    height: 42px;
    border: 2px solid #d9e7f8;
    border-radius: 50%;
    background: transparent;
    color: #fff;
    font-size: 1.05rem;
    box-shadow: inset -5px -5px 0 #2878ff;
  }

  .quiz-admin-context .ctx-brand-copy,
  .quiz-admin-context .ctx-scope {
    display: none;
  }

  .quiz-admin-context .ctx-primary-nav {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    margin: 0;
  }

  .quiz-admin-context .ctx-link,
  .quiz-admin-context .ctx-utility-link,
  .quiz-admin-context .ctx-more > summary {
    position: relative;
    flex-direction: column;
    gap: 7px;
    width: 100%;
    min-height: 76px;
    padding: 10px 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #9eacbe;
    font-size: .71rem;
    font-weight: 760;
    line-height: 1.1;
  }

  .quiz-admin-context .ctx-link svg {
    width: 26px;
    height: 26px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.65;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .quiz-admin-context .ctx-link:hover,
  .quiz-admin-context .ctx-utility-link:hover,
  .quiz-admin-context .ctx-more > summary:hover {
    color: #e7f0fb;
    background: #0b2037;
  }

  .quiz-admin-context .ctx-link.is-active {
    color: #4c91ff;
    background: #0c2139;
    box-shadow: inset 3px 0 0 #2878ff;
  }

  .quiz-admin-context .ctx-more {
    margin-top: auto;
  }

  .quiz-admin-context .ctx-more > summary {
    min-height: 58px;
  }

  .quiz-admin-context .ctx-more-menu {
    position: fixed;
    z-index: 90;
    inset: auto auto 72px 94px;
    width: 250px;
    border-color: #304965;
    background: #0b1b2e;
    box-shadow: 0 18px 48px rgba(0, 0, 0, .34);
  }

  .quiz-admin-context .ctx-more-menu .ctx-link {
    align-items: flex-start;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: .82rem;
  }

  .quiz-admin-context .ctx-utility-link {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-studio-page *,
  .quiz-player-page *,
  body.has-quiz-admin-context * {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}