/* ==========================================================
   무료 자료실 (materials.html) — 계산기 · 자가진단
   ========================================================== */
.tool { padding: 64px 0; border-top: 1px solid var(--line); scroll-margin-top: 64px; }
.tool:nth-of-type(even) { background: var(--cream-deep); }
.tool-head { max-width: 720px; margin-bottom: 28px; }
.tool-head .num { font-family: var(--font-display); font-size: 15px; color: var(--muted); }
.tool-head h2 { font-size: clamp(28px, 6vw, 42px); margin-top: 6px; }
.tool-head p { margin-top: 12px; color: var(--ink-soft); font-size: 17px; }
.privacy { display: inline-flex; gap: 6px; align-items: center; margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; }
.privacy svg { width: 15px; height: 15px; }

.tool-grid { display: grid; gap: 20px; align-items: start; }
.tool-form {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px 20px;
  display: grid; gap: 14px;
}
.tool-form .row { display: grid; gap: 6px; }
.tool-form label { font-weight: 700; font-size: 15px; }
.tool-form label small { font-weight: 500; color: var(--muted); font-size: 13px; margin-left: 4px; }
.field { display: flex; align-items: center; border: 1.5px solid var(--line); border-radius: 12px; background: var(--cream); overflow: hidden; }
.field:focus-within { border-color: var(--ink); background: var(--paper); }
.field input {
  flex: 1; min-width: 0; border: 0; background: transparent; padding: 12px 12px; font: inherit; font-size: 17px; font-weight: 700;
  color: var(--ink); text-align: right; outline: none;
}
.field span { padding: 0 12px 0 0; color: var(--muted); font-weight: 600; font-size: 14px; white-space: nowrap; }
.form-group-title { font-family: var(--font-display); font-size: 15px; margin-top: 6px; padding-top: 12px; border-top: 1px dashed var(--line); }
.form-group-title:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.example-note { font-size: 13px; color: var(--muted); }

.result {
  background: var(--ink); color: var(--paper); border-radius: var(--radius-lg); padding: 24px 22px;
  display: grid; gap: 18px; position: sticky; top: 80px;
}
.result .big small { display: block; color: #cfc9ba; font-size: 14px; font-weight: 600; }
.result .big b { display: block; font-family: var(--font-display); font-size: clamp(34px, 8vw, 46px); line-height: 1.15; color: var(--yellow); margin-top: 4px; }
.result .big b.neg { color: #ff8a7a; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.kpis div { background: #2a2824; border-radius: 12px; padding: 10px 12px; }
.kpis small { display: block; font-size: 12px; color: #cfc9ba; }
.kpis b { display: block; font-size: 18px; margin-top: 2px; }
.bars { display: grid; gap: 8px; }
.bars .bar-row { display: grid; grid-template-columns: 76px 1fr 46px; gap: 8px; align-items: center; font-size: 13px; }
.bars .meter { height: 10px; background: #3a3731; border-radius: 99px; overflow: hidden; }
.bars .fill { height: 100%; background: var(--yellow); border-radius: 99px; width: 0; transition: width .4s ease; }
.bars .fill.alt { background: #e6dcc6; }
.bars .pct { text-align: right; font-weight: 700; }
.bars-title { font-weight: 800; font-size: 14px; color: #e6dcc6; }
.verdict { background: #2a2824; border-left: 4px solid var(--yellow); border-radius: 0 12px 12px 0; padding: 12px 14px; font-size: 15px; line-height: 1.6; }
.verdict.bad { border-left-color: #ff8a7a; }
.result .btn-row { margin-top: 2px; }
.result .btn-kakao { border-color: var(--kakao); }
.result .btn-ghost { color: var(--paper); border-color: #5b574e; }
.result .btn-ghost:hover { box-shadow: 0 6px 0 #5b574e; }
.disclaimer { font-size: 12.5px; color: #a9a294; line-height: 1.6; }

/* 자가진단 */
.quiz { display: grid; gap: 14px; }
.quiz fieldset { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); padding: 16px 16px 10px; }
.quiz legend { font-family: var(--font-display); font-size: 18px; padding: 0 6px; display: flex; gap: 8px; align-items: center; }
.quiz legend .n { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--yellow); display: grid; place-items: center; font-size: 13px; }
.q { display: flex; gap: 12px; align-items: flex-start; padding: 10px 4px; border-top: 1px dashed var(--line); cursor: pointer; font-size: 15.5px; line-height: 1.55; }
.q:first-of-type { border-top: 0; }
.q input { appearance: none; -webkit-appearance: none; width: 24px; height: 24px; flex: none; border: 2px solid var(--ink); border-radius: 7px; margin: 1px 0 0; background: var(--paper); cursor: pointer; display: grid; place-items: center; }
.q input:checked { background: var(--yellow); }
.q input:checked::after { content: ""; width: 10px; height: 6px; border-left: 2.5px solid var(--ink); border-bottom: 2.5px solid var(--ink); transform: rotate(-45deg) translate(1px, -1px); }
.q input:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

/* 공유 */
.share-box { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; justify-content: space-between; background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius); padding: 16px 18px; margin-top: 28px; }
.share-box p { font-weight: 700; }
.share-box small { display: block; font-weight: 500; color: var(--muted); }
.share-msg { font-size: 13px; color: var(--muted); width: 100%; }

/* 자료 카테고리 */
.cats { display: grid; gap: 12px; }
.cat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.cat h3 { font-size: 19px; font-family: var(--font-body); font-weight: 800; }
.cat p { font-size: 15px; color: var(--ink-soft); }
.cat .chip-link { align-self: flex-start; margin-top: auto; }

@media (min-width: 720px) {
  .cats { grid-template-columns: 1fr 1fr; }
  .quiz { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .tool { padding: 96px 0; }
  .tool-grid { grid-template-columns: 1.1fr 1fr; gap: 40px; }
  .tool-grid.quiz-grid { grid-template-columns: 1.6fr 1fr; }
  .cats { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1023px) { .result { position: static; } }

/* 작은 칸 숫자가 한 줄에 들어가게 */
.kpis b { font-size: clamp(14px, 4.2vw, 18px); white-space: nowrap; }
.kpis small { white-space: nowrap; }

/* ---------- 교육·운영 자료실 ---------- */
.lib-bar { display: grid; gap: 10px; margin-bottom: 12px; }
.lib-tabs { display: flex; gap: 6px; }
.lib-tab { flex: 1; border: 2px solid var(--ink); background: var(--paper); border-radius: 999px; padding: 9px 0; font: inherit; font-weight: 800; cursor: pointer; }
.lib-tab.is-on { background: var(--ink); color: var(--yellow); }
.lib-search input { width: 100%; border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; font: inherit; background: var(--paper); }
.lib-search input:focus { outline: none; border-color: var(--ink); }
.lib-freeonly { display: inline-flex; gap: 8px; align-items: center; font-weight: 700; font-size: 15px; }
.lib-freeonly input { width: 18px; height: 18px; accent-color: var(--ink); }
.lib-count { font-size: 14px; color: var(--muted); margin: 6px 0 12px; }
.lib-list { display: grid; gap: 10px; }
.lib-cat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.lib-cat summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 14px 44px 14px 16px; position: relative; flex-wrap: wrap; }
.lib-cat summary::-webkit-details-marker { display: none; }
.lib-cat summary::after { content: ""; position: absolute; right: 18px; top: 50%; width: 10px; height: 10px; margin-top: -7px; border-right: 2.5px solid var(--ink); border-bottom: 2.5px solid var(--ink); transform: rotate(45deg); transition: transform .2s; }
.lib-cat[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.lib-g { font-size: 12px; font-weight: 800; padding: 2px 8px; border-radius: 999px; }
.lib-g-edu { background: #e1f5e6; }
.lib-g-ops { background: #dce6f5; }
.lib-cname { font-weight: 800; font-size: 16px; }
.lib-n { margin-left: auto; font-size: 13px; color: var(--muted); font-weight: 600; }
.lib-items { list-style: none; margin: 0; padding: 0 12px 12px; display: grid; gap: 6px; }
.lib-item { display: flex; gap: 10px; align-items: center; justify-content: space-between; background: var(--cream); border-radius: 12px; padding: 10px 12px; flex-wrap: wrap; }
.lib-main { min-width: 0; flex: 1 1 180px; }
.lib-title { font-weight: 700; font-size: 15px; line-height: 1.45; }
.lib-free { display: inline-block; margin-left: 6px; background: var(--yellow); border: 1.5px solid var(--ink); border-radius: 999px; font-size: 11px; font-weight: 800; padding: 0 7px; vertical-align: 2px; }
.lib-meta { display: flex; gap: 6px; margin-top: 3px; }
.lib-meta span { font-size: 12px; color: var(--muted); background: var(--paper); border-radius: 6px; padding: 1px 6px; }
.lib-act { display: flex; gap: 6px; flex-wrap: wrap; }
.lib-act .btn { min-height: 38px; padding: 0 12px; font-size: 13px; }
.lib-act .btn svg { width: 16px; height: 16px; }
@media (min-width: 720px) { .lib-bar { grid-template-columns: auto 1fr auto; align-items: center; } .lib-tab { flex: none; padding: 9px 18px; } }
.lib-grad { background: var(--yellow); border: 2px solid var(--ink); border-radius: var(--radius); padding: 12px 16px; margin: 0 0 14px; font-size: 15px; line-height: 1.6; }
.lib-grad a { font-weight: 800; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
/* 교육 4단계 지도 · 상황별 바로가기 */
.lib-h { font-weight: 800; font-size: 16px; margin: 0 0 10px; }
.lib-h small { display: block; font-weight: 600; font-size: 13px; color: var(--muted); margin-top: 2px; }
.lib-road { margin-bottom: 18px; }
.lib-road-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; counter-reset: none; }
.lib-road-list li { position: relative; display: flex; }
.lib-stage { width: 100%; text-align: left; font: inherit; color: var(--ink); cursor: pointer; background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius-sm); padding: 12px 14px; display: grid; gap: 2px; position: relative; transition: transform .15s, box-shadow .15s; }
.lib-stage:hover { transform: translateY(-2px); box-shadow: 0 4px 0 var(--ink); }
.lib-stage.is-on { background: var(--ink); color: var(--paper); }
.lib-stage-n { font-size: 12px; font-weight: 800; background: var(--yellow); color: var(--ink); border-radius: 999px; padding: 1px 8px; justify-self: start; }
.lib-stage b { font-family: var(--font-display); font-size: 18px; margin-top: 4px; }
.lib-stage small { font-size: 13px; line-height: 1.4; color: inherit; opacity: .8; }
.lib-stage-c { position: absolute; top: 12px; right: 12px; font-size: 12px; font-weight: 700; opacity: .7; }
.lib-sit { margin-bottom: 18px; }
.lib-sit-list { display: grid; gap: 8px; }
.lib-sit-btn { font: inherit; color: var(--ink); cursor: pointer; text-align: left; background: var(--yellow-soft); border: 1.5px solid var(--line); border-radius: 999px; padding: 10px 16px; display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; transition: border-color .15s; }
.lib-sit-btn:hover { border-color: var(--ink); }
.lib-sit-btn small { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; }
.lib-sit-btn.is-on { background: var(--ink); color: var(--yellow); border-color: var(--ink); }
.lib-sit-btn.is-on small { color: var(--paper); }
.lib-clear { margin-left: 8px; font: inherit; font-size: 13px; font-weight: 700; background: var(--paper); border: 1.5px solid var(--ink); border-radius: 999px; padding: 2px 10px; cursor: pointer; }
.lib-meta .lib-sub { background: var(--yellow-soft); color: var(--ink); font-weight: 700; }
@media (min-width: 720px) {
  .lib-road-list { grid-template-columns: repeat(4, 1fr); gap: 22px; }
  .lib-road-list li + li::before { content: "→"; position: absolute; left: -18px; top: 50%; transform: translateY(-50%); font-weight: 800; }
  .lib-sit-list { grid-template-columns: repeat(3, 1fr); }
}