/* NTT Exam 페이지 CSS (2026-05-19 v23_15) — 11 Block stepper */

/* tokens.css는 HTML <link>로 직접 로드 (4A 캐시 무효화 정공법) */

.exam-main { padding: 0 var(--pad-x) 100px; }

/* ── topbar 진행률 미니바 ── */
.ex-progress-mini {
  display: flex; align-items: center; gap: 10px;
  margin-left: 16px;
}
.ex-pct {
  font-family: var(--f-mono); font-size: 13px; font-weight: 700;
  color: var(--c-accent);
  min-width: 44px;
}
.ex-bar-mini {
  width: 120px; height: 8px;
  background: var(--c-paper); border: 2px solid var(--c-ink); border-radius: var(--r-pill);
  overflow: hidden;
}
.ex-bar-fill {
  width: 0%; height: 100%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  transition: width .3s ease;
}

/* ── 시작 화면 ── */
.ex-intro {
  max-width: 720px; margin: 40px auto 60px;
  text-align: center;
  background: #fff;
  border: 3.5px solid var(--c-ink);
  border-radius: 22px;
  padding: clamp(32px, 4vw, 56px);
  box-shadow: var(--shadow-card);
}
.ex-intro h1 {
  font-family: var(--f-head); font-weight: var(--w-h);
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.05; letter-spacing: -0.045em; margin: 14px 0 16px;
}
.ex-intro .lead { font-size: 15px; color: var(--c-ink); opacity: 0.82; }
.ex-intro-meta {
  list-style: none; padding: 0; margin: 24px 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  text-align: left;
}
.ex-intro-meta li {
  background: var(--c-cream);
  border: 2.5px solid var(--c-ink); border-radius: 12px;
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.ex-intro-meta strong {
  font-family: var(--f-head); font-weight: var(--w-h); font-size: 15px;
}
.ex-intro-meta small {
  font-family: var(--f-mono); font-size: 11px; color: var(--c-mute);
}
.ex-intro-meta em {
  font-style: normal; color: var(--c-accent); font-weight: 700;
}
.ex-label {
  display: block; margin: 20px auto;
  max-width: 320px;
  font-family: var(--f-mono); font-size: 11px; color: var(--c-mute);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.ex-label small { text-transform: none; letter-spacing: 0; opacity: 0.7; font-size: 10px; }
.ex-label input {
  display: block; width: 100%; margin-top: 6px;
  padding: 12px 14px;
  border: 2.5px solid var(--c-ink); border-radius: 10px;
  font-family: var(--f-body); font-size: 15px;
  background: var(--c-paper);
}
.ex-resume {
  margin-top: 18px;
  font-family: var(--f-mono); font-size: 12px; color: var(--c-mute);
}
.ex-foot-note {
  margin-top: 14px;
  font-family: var(--f-mono); font-size: 11px;
  color: var(--c-mute);
  padding: 10px 14px;
  background: var(--c-paper); border-radius: 8px;
  text-align: center;
}
.link-btn {
  background: none; border: none;
  color: var(--c-accent);
  font-family: inherit; font-size: inherit;
  text-decoration: underline; cursor: pointer;
}

/* ── 블록 진행 ── */
.ex-block {
  max-width: 760px; margin: 30px auto;
}
.ex-block-head {
  background: var(--c-yellow);
  border: 3px solid var(--c-ink); border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-flat);
}
.ex-block-num {
  font-family: var(--f-mono); font-size: 11px; color: var(--c-ink);
  letter-spacing: 0.14em;
}
.ex-block-num strong { font-size: 22px; }
.ex-block-head h2 {
  font-family: var(--f-head); font-weight: var(--w-h);
  font-size: clamp(24px, 3vw, 32px); margin: 6px 0 4px;
  letter-spacing: -0.03em;
}
.ex-block-sub { font-size: 12px; color: var(--c-mute); margin: 0; font-family: var(--f-mono); }

.ex-q-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.ex-q {
  background: #fff;
  border: 2.5px solid var(--c-ink); border-radius: 14px;
  padding: 18px 20px;
  box-shadow: var(--shadow-flat);
}
.ex-q-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.ex-q-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--c-ink); color: var(--c-yellow);
  border-radius: 50%;
  font-family: var(--f-mono); font-weight: 700; font-size: 12px;
}
.ex-q-code {
  font-family: var(--f-mono); font-size: 10px; color: var(--c-mute);
  letter-spacing: 0.12em;
  background: var(--c-paper); padding: 2px 8px; border-radius: var(--r-pill);
}
.ex-q-text {
  font-size: 16px; color: var(--c-ink); line-height: 1.5;
  margin: 6px 0 14px;
  font-weight: 500;
}

/* Likert5 */
.ex-likert {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
}
.ex-likert-opt {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 6px;
  background: var(--c-paper);
  border: 2px solid var(--c-ink); border-radius: 10px;
  cursor: pointer;
  transition: transform .15s, background .15s;
  text-align: center;
}
.ex-likert-opt:hover { transform: translateY(-2px); background: var(--c-cream); }
.ex-likert-opt input { display: none; }
.ex-likert-dot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: #fff;
  border: 2px solid var(--c-ink); border-radius: 50%;
  font-family: var(--f-mono); font-weight: 700; font-size: 13px;
}
.ex-likert-dot--1 { background: #FFE0E6; }
.ex-likert-dot--2 { background: #FFF1D6; }
.ex-likert-dot--3 { background: #fff; }
.ex-likert-dot--4 { background: #E0F4FF; }
.ex-likert-dot--5 { background: #D8FFE0; }
.ex-likert-opt small {
  font-family: var(--f-mono); font-size: 10px; color: var(--c-mute);
}
.ex-likert-opt input:checked + .ex-likert-dot {
  background: var(--c-accent); color: #fff;
  box-shadow: 3px 3px 0 0 var(--c-ink);
  transform: scale(1.1);
}

/* true/false */
.ex-tf {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.ex-tf-opt {
  padding: 14px;
  background: var(--c-paper);
  border: 2.5px solid var(--c-ink); border-radius: 12px;
  text-align: center; cursor: pointer;
  font-family: var(--f-head); font-weight: var(--w-h); font-size: 16px;
}
.ex-tf-opt input { display: none; }
.ex-tf-opt:hover { transform: translateY(-2px); background: var(--c-cream); }
.ex-tf-opt:has(input:checked) {
  background: var(--c-accent); color: #fff;
  box-shadow: 4px 4px 0 0 var(--c-ink);
}

/* multi_select */
.ex-multi {
  display: flex; flex-direction: column; gap: 8px;
}
.ex-multi-opt {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px;
  background: var(--c-paper);
  border: 2px solid var(--c-ink); border-radius: 10px;
  cursor: pointer;
}
.ex-multi-opt input { margin-top: 3px; }
.ex-multi-opt:has(input:checked) {
  background: var(--c-cream);
  box-shadow: 3px 3px 0 0 var(--c-ink);
}

/* ── 블록 푸터 ── */
.ex-block-foot {
  position: sticky; bottom: 0;
  margin-top: 26px;
  background: #fff;
  border: 3px solid var(--c-ink); border-radius: 14px;
  padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
  box-shadow: 0 -6px 12px rgba(0,0,0,0.08), var(--shadow-flat);
}
.ex-foot-info {
  font-family: var(--f-mono); font-size: 13px; color: var(--c-mute);
}
.ex-block-foot button:disabled {
  opacity: 0.4; cursor: not-allowed;
}

/* ── Block 4 preview ── */
.ex-preview, .ex-paywall, .ex-done {
  max-width: 680px; margin: 50px auto;
  background: #fff;
  border: 3.5px solid var(--c-ink); border-radius: 22px;
  padding: clamp(28px, 3.5vw, 48px);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.ex-preview h2, .ex-paywall h2, .ex-done h2 {
  font-family: var(--f-head); font-weight: var(--w-h);
  font-size: clamp(28px, 3.4vw, 38px); margin: 0 0 14px;
  letter-spacing: -0.04em;
}
.ex-preview-card {
  margin: 24px auto;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  color: #fff;
  border: 3px solid var(--c-ink); border-radius: 18px;
  padding: 30px;
  max-width: 360px;
  box-shadow: 6px 6px 0 0 var(--c-ink);
}
.ex-preview-tag {
  display: inline-block;
  background: var(--c-yellow); color: var(--c-ink);
  font-family: var(--f-mono); font-weight: 700; font-size: 14px;
  padding: 6px 16px; border-radius: var(--r-pill);
  letter-spacing: 0.1em;
}
.ex-preview-note { font-size: 13px; opacity: 0.9; margin-top: 14px; }
.ex-preview-cta-row {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-top: 26px;
}
.ex-paywall p { font-size: 14px; color: var(--c-ink); opacity: 0.85; margin: 12px 0 22px; }
.ex-done strong { color: var(--c-accent); font-size: 22px; }

/* ── 반응형 ── */
@media (max-width: 760px) {
  .ex-intro-meta { grid-template-columns: 1fr; }
  .ex-likert { grid-template-columns: 1fr 1fr; }
  .ex-likert-opt { flex-direction: row; justify-content: flex-start; }
  .ex-progress-mini .ex-bar-mini { width: 80px; }
  .ex-block-foot { flex-direction: column; gap: 10px; align-items: stretch; }
  .ex-block-foot button { width: 100%; }
}
@media (max-width: 480px) {
  .ex-tf { grid-template-columns: 1fr; }
}