/* ============================================================
   UI/UX 실무 용어집 — 스타일
   1) 토큰   2) 기본   3) 사이트 골격   4) 홈
   5) 카테고리 페이지   6) 용어 카드   7) 검색 페이지
   8) 쇼케이스   9) 데모 부품   10) 반응형
   ============================================================ */

/* ---------- 1) 토큰 ---------- */
:root {
  --bg: #fcfcfd;
  --bg-elev: #ffffff;
  --bg-sunken: #f4f4f7;
  --bg-deep: #14141b;
  --border: #e5e5ec;
  --border-strong: #cdcdd8;
  --text: #15151c;
  --text-sub: #56565f;
  --text-dim: #8a8a97;
  --accent: #4f46e5;
  --accent-soft: #eef1ff;
  --accent-text: #4338ca;
  --warn: #a45a06;
  --warn-soft: #fffaeb;
  --warn-border: #fbd785;
  --danger: #dc2626;
  --success: #059669;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 45, .06);
  --shadow-md: 0 6px 20px rgba(20, 20, 45, .09);
  --shadow-lg: 0 16px 48px rgba(20, 20, 45, .2);
  --wrap: 1120px;
  --hue: 250;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e13;
    --bg-elev: #17171f;
    --bg-sunken: #101017;
    --bg-deep: #08080c;
    --border: #26262f;
    --border-strong: #3a3a47;
    --text: #eeeef4;
    --text-sub: #a6a6b3;
    --text-dim: #74748a;
    --accent: #818cf8;
    --accent-soft: #1e1e35;
    --accent-text: #a5b4fc;
    --warn: #fbbf24;
    --warn-soft: #2a2113;
    --warn-border: #56430f;
    --danger: #f87171;
    --success: #34d399;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .45);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, .5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, .65);
  }
}

* { box-sizing: border-box; }

/* ---------- 2) 기본 ---------- */
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    system-ui, "Segoe UI", "Malgun Gothic", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  word-break: keep-all;
  overflow-wrap: break-word;
}

a { color: inherit; }
h1, h2, h3, h4 { letter-spacing: -.025em; line-height: 1.3; }

code {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  padding: .5px 5px;
  border-radius: 5px;
  font-size: .88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

em { font-style: normal; }

::selection { background: var(--accent); color: #fff; }

/* ---------- 3) 사이트 골격 ---------- */
.sh {
  position: sticky;
  top: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.7) blur(16px);
  -webkit-backdrop-filter: saturate(1.7) blur(16px);
  border-bottom: 1px solid var(--border);
}

.sh__in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 22px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.sh__logo {
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.sh__nav { margin-left: auto; display: flex; gap: 4px; }

.sh__nav a {
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-dim);
  padding: 6px 11px;
  border-radius: 8px;
  transition: .14s;
  white-space: nowrap;
}

.sh__nav a:hover { color: var(--text); background: var(--bg-sunken); }
.sh__nav a.on { color: var(--accent-text); background: var(--accent-soft); }

.sf {
  border-top: 1px solid var(--border);
  background: var(--bg-sunken);
  margin-top: 70px;
}

.sf__in {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 34px 22px 46px;
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.8;
}

.sf__t { font-weight: 800; color: var(--text-sub); font-size: 14px; margin: 0 0 6px; }
.sf p { margin: 0 0 8px; }
.sf__src { font-size: 11.5px; opacity: .85; }

.sf__rights {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}

.sf__rights p { font-size: 11.8px; line-height: 1.75; }
.sf__rights p:last-child { margin-bottom: 0; }
.sf__rights b { color: var(--text-sub); }

.sf__c {
  font-weight: 800;
  color: var(--text-sub);
  font-size: 12.5px !important;
  letter-spacing: -.01em;
}

.sf__nav { margin-top: 14px; }
.sf__nav a { color: var(--accent-text); text-decoration: none; font-weight: 700; }
.sf__nav a:hover { text-decoration: underline; }

.totop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 150;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-sub);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  font-size: 16px;
  display: none;
}

.totop.on { display: block; }

/* ---------- 4) 홈 ---------- */
.hm { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

.hm__hero { padding: 68px 0 54px; text-align: center; }

.hm__kicker {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .13em;
  color: var(--accent-text);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.hm__hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5.4vw, 46px);
  font-weight: 800;
  line-height: 1.24;
}

.hm__hero h1 em {
  background: linear-gradient(180deg, transparent 62%, color-mix(in srgb, var(--accent) 26%, transparent) 62%);
  padding: 0 3px;
}

.hm__lead {
  margin: 0 auto;
  max-width: 660px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.85;
}

.hm__stat {
  display: flex;
  justify-content: center;
  gap: 34px;
  margin: 34px 0 30px;
  flex-wrap: wrap;
}

.hm__stat div { text-align: center; }
.hm__stat b { display: block; font-size: 27px; font-weight: 800; letter-spacing: -.03em; }
.hm__stat span { font-size: 11.5px; color: var(--text-dim); font-weight: 600; }

.hm__cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.hm__how {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
}

.hm__how h2 { margin: 0 0 22px; font-size: 20px; text-align: center; }

.hm__how-g {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}

.hm__how-g > div {
  border-left: 2px solid var(--accent);
  padding-left: 13px;
}

.hm__how-g b {
  color: var(--accent-text);
  font-size: 15px;
  font-weight: 800;
}

.hm__how-g h3 { margin: 3px 0 5px; font-size: 13.8px; font-weight: 800; }
.hm__how-g p { margin: 0; font-size: 12.5px; color: var(--text-dim); line-height: 1.65; }

.hm__cats, .hm__show { padding-top: 62px; }
.hm__cats h2, .hm__show h2 { margin: 0 0 6px; font-size: 24px; }
.hm__sub { margin: 0 0 22px; color: var(--text-dim); font-size: 13.5px; }

.hm__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: 14px;
}

.cc {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 17px 18px 15px;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: .18s;
  position: relative;
  overflow: hidden;
}

.cc::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: hsl(var(--hue) 70% 58%);
}

.cc:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: hsl(var(--hue) 60% 60%);
}

.cc__top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }

.cc__no {
  font-size: 11px;
  font-weight: 800;
  color: hsl(var(--hue) 62% 46%);
  background: hsl(var(--hue) 80% 96%);
  border-radius: 6px;
  padding: 2px 7px;
  letter-spacing: .04em;
}

@media (prefers-color-scheme: dark) {
  .cc__no { background: hsl(var(--hue) 40% 18%); color: hsl(var(--hue) 70% 72%); }
}

.cc__hot {
  margin-left: auto;
  font-size: 10px;
  font-weight: 800;
  color: #fff;
  background: var(--danger);
  border-radius: 999px;
  padding: 2px 8px;
}

.cc h3 { margin: 0 0 5px; font-size: 16px; font-weight: 800; }
.cc p { margin: 0 0 14px; font-size: 12.6px; color: var(--text-dim); line-height: 1.6; flex: 1; }

.cc__ft {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.cc__go { color: hsl(var(--hue) 62% 50%); }

.hm__show-h { margin-bottom: 22px; }
.hm__show-g { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }

.sc {
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
  color: #f1f1f6;
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  text-decoration: none;
  transition: .18s;
  border: 1px solid transparent;
}

.sc:hover { transform: translateY(-2px); border-color: var(--accent); }
.sc__ico { font-size: 26px; margin-bottom: 10px; }
.sc h3 { margin: 0 0 6px; font-size: 16px; font-weight: 800; color: #fff; }
.sc p { margin: 0 0 15px; font-size: 12.4px; color: #a9a9bb; line-height: 1.6; flex: 1; }
.sc__go { font-size: 11.5px; font-weight: 800; color: #a5b4fc; }

/* ---------- 5) 카테고리 페이지 ---------- */
.cp { max-width: 880px; margin: 0 auto; padding: 0 22px; }

.cp__hero {
  padding: 40px 0 30px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}

.cp__back {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 18px;
}

.cp__back:hover { color: var(--accent-text); }

.cp__no {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  color: #fff;
  background: hsl(var(--hue) 62% 52%);
  border-radius: 7px;
  padding: 3px 9px;
  letter-spacing: .05em;
  margin-bottom: 11px;
}

.cp__hero h1 { margin: 0 0 12px; font-size: clamp(25px, 4.4vw, 34px); font-weight: 800; }
.cp__lead { margin: 0 0 18px; color: var(--text-sub); font-size: 14.5px; line-height: 1.8; }
.cp__meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-dim); font-weight: 700; }

.cp__note {
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-sm);
  padding: 15px 17px;
  margin-bottom: 24px;
}

/* 라벨만 블록으로 — 본문 안의 <b> 강조는 인라인으로 유지되어야 한다 */
.cp__note > b {
  display: block;
  color: var(--warn);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .03em;
  margin-bottom: 5px;
}

.cp__note p { margin: 0; font-size: 13.2px; line-height: 1.75; }
.cp__note a { color: var(--accent-text); font-weight: 700; }

.cp__toc {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 30px;
}

.cp__toc > b {
  display: block;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: .06em;
  margin-bottom: 9px;
}

.cp__toc div { display: flex; flex-wrap: wrap; gap: 6px; }

.cp__toc a {
  font-size: 12.2px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-sub);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  transition: .13s;
}

.cp__toc a:hover { border-color: var(--accent); color: var(--accent-text); background: var(--accent-soft); }

.cp__list { display: flex; flex-direction: column; gap: 22px; }

.cp__pn { display: flex; justify-content: space-between; gap: 12px; margin-top: 44px; }

.cp__pn-i {
  flex: 1;
  max-width: 300px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  text-decoration: none;
  transition: .15s;
}

.cp__pn-i:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.cp__pn-i span { display: block; font-size: 11px; color: var(--text-dim); font-weight: 700; margin-bottom: 3px; }
.cp__pn-i b { font-size: 13.5px; font-weight: 800; }
.cp__pn-i--n { text-align: right; }

/* ---------- 6) 용어 카드 ---------- */
.tc {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px 24px;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 74px;
}

.tc__hd { display: flex; align-items: flex-start; gap: 13px; margin-bottom: 15px; }

.tc__no {
  flex: 0 0 auto;
  width: 27px; height: 27px;
  border-radius: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 11.5px; font-weight: 800;
  margin-top: 2px;
}

.tc__name h3 { margin: 0; font-size: 21px; font-weight: 800; line-height: 1.25; }
.tc__name p { margin: 3px 0 0; font-size: 12.5px; color: var(--text-dim); font-weight: 600; letter-spacing: .01em; }
.tc__name p span { opacity: .8; }

.tc__when {
  background: var(--bg-sunken);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  margin-bottom: 14px;
  border-left: 3px solid var(--accent);
}

.tc__when > b {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  color: var(--accent-text);
  letter-spacing: .05em;
  margin-bottom: 5px;
}

.tc__when p { margin: 0; font-size: 13.4px; line-height: 1.75; color: var(--text-sub); }
.tc__when p b { color: var(--text); }

.tc__def p { margin: 0; font-size: 14.6px; line-height: 1.8; color: var(--text-sub); }
.tc__def p b { color: var(--text); }

.tc__demo {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-sunken);
}

.tc__demo-h {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--text-dim);
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}

.tc__demo-h span { font-weight: 600; opacity: .75; letter-spacing: 0; margin-left: 6px; }
.tc__demo-b { padding: 24px 22px; font-size: 15px; }

.tc__tip {
  margin-top: 15px;
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
}

.tc__tip > b {
  display: block;
  color: var(--warn);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.tc__tip p { margin: 0; font-size: 13.2px; line-height: 1.75; }

.tc__how {
  margin-top: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
}

.tc__how > b {
  display: block;
  color: var(--text-dim);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.tc__how p { margin: 0; font-size: 13.2px; line-height: 1.75; color: var(--text-sub); }

.tc__ask { margin-top: 15px; }

.tc__ask > b {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--success);
  margin-bottom: 6px;
}

.ask {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: color-mix(in srgb, var(--success) 7%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--success) 32%, transparent);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
}

.ask__t {
  margin: 0;
  flex: 1;
  font-size: 13.2px;
  line-height: 1.72;
  color: var(--text-sub);
}

.ask__t b { color: var(--text); }

.ask__c {
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--success) 45%, transparent);
  background: var(--bg-elev);
  color: var(--success);
  font: inherit;
  font-size: 11.5px;
  font-weight: 800;
  padding: 4px 11px;
  border-radius: 7px;
  cursor: pointer;
  transition: .14s;
}

.ask__c:hover { background: var(--success); color: #fff; }
.ask__c.done { background: var(--success); color: #fff; border-color: var(--success); }

.askset { display: flex; flex-direction: column; gap: 10px; }

/* ---------- 7) 검색 페이지 ---------- */
.tp { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.tp__hd { padding: 40px 0 22px; }
.tp__hd h1 { margin: 0 0 8px; font-size: 30px; }
.tp__hd > p { margin: 0 0 20px; color: var(--text-dim); font-size: 13.5px; }

.tp__search { position: relative; max-width: 480px; margin-bottom: 16px; }

.tp__search input {
  width: 100%;
  padding: 11px 38px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-elev);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  outline: none;
  transition: .15s;
}

.tp__search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}

.tp__search > span {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim); pointer-events: none; font-size: 14px;
}

.tp__search button {
  position: absolute; right: 8px; top: 50%;
  transform: translateY(-50%);
  border: 0; background: var(--bg-sunken);
  color: var(--text-sub);
  width: 24px; height: 24px;
  border-radius: 50%;
  cursor: pointer; font-size: 13px; line-height: 1;
  display: none;
}

.tp__search button.on { display: block; }

.tp__filter { display: flex; flex-wrap: wrap; gap: 6px; }

.fchip {
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-sub);
  padding: 5px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: .13s;
}

.fchip:hover { border-color: var(--accent); color: var(--accent-text); }
.fchip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.tp__count { color: var(--text-dim); font-size: 12.5px; font-weight: 700; margin: 0 0 14px; }

.tp__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(236px, 1fr)); gap: 11px; }

.ti {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  text-decoration: none;
  transition: .15s;
  position: relative;
}

.ti:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.ti h3 { margin: 0; font-size: 14.6px; font-weight: 800; }
.ti__en { display: block; font-size: 11px; color: var(--text-dim); font-weight: 600; margin: 2px 0 6px; }
.ti__d { margin: 0; font-size: 12.2px; color: var(--text-dim); line-height: 1.6; }

.ti__c {
  display: inline-block;
  margin-top: 8px;
  font-size: 10px;
  font-weight: 800;
  color: hsl(var(--hue) 62% 46%);
  background: hsl(var(--hue) 80% 96%);
  border-radius: 5px;
  padding: 1.5px 7px;
}

@media (prefers-color-scheme: dark) {
  .ti__c { background: hsl(var(--hue) 38% 18%); color: hsl(var(--hue) 68% 72%); }
}

.tp__empty { text-align: center; padding: 70px 20px; color: var(--text-dim); grid-column: 1 / -1; }
.tp__empty strong { display: block; font-size: 17px; color: var(--text-sub); margin-bottom: 6px; }

/* ---------- 8) 쇼케이스 ---------- */
.sp { max-width: 880px; margin: 0 auto; padding: 0 22px; }
.sp__hero { padding: 40px 0 26px; text-align: center; }

.sp__kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--accent-text);
  margin: 0 0 12px;
}

.sp__hero .cp__back { display: block; text-align: left; }
.sp__hero h1 { margin: 0 0 16px; font-size: clamp(26px, 5vw, 40px); font-weight: 800; line-height: 1.25; }

.sp__hero h1 em {
  background: linear-gradient(180deg, transparent 62%, color-mix(in srgb, var(--accent) 26%, transparent) 62%);
  padding: 0 3px;
}

.sp__lead { margin: 0 auto; max-width: 620px; color: var(--text-sub); font-size: 14.5px; line-height: 1.85; }

.sp__steps {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
  scrollbar-width: none;
}

.sp__steps::-webkit-scrollbar { display: none; }

.spb {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-sub);
  padding: 6px 13px 6px 7px;
  border-radius: 999px;
  font: inherit;
  font-size: 12.8px;
  font-weight: 700;
  cursor: pointer;
  transition: .14s;
  white-space: nowrap;
}

.spb b {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-sunken);
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 800;
}

.spb:hover { border-color: var(--accent); color: var(--accent-text); }
.spb[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.spb[aria-selected="true"] b { background: rgba(255, 255, 255, .25); color: #fff; }

.sp__pane h2 { margin: 0 0 10px; font-size: 24px; font-weight: 800; }
.sp__plead { margin: 0 0 22px; color: var(--text-sub); font-size: 14.2px; line-height: 1.8; }
.sp__body { margin-bottom: 22px; }

.sp__take {
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: var(--radius-sm);
  padding: 15px 17px;
}

.sp__take > b {
  display: block;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--accent-text);
  margin-bottom: 5px;
}

.sp__take p { margin: 0; font-size: 13.6px; line-height: 1.8; color: var(--text-sub); }
.sp__take p b { color: var(--text); }

.sp__close {
  margin-top: 56px;
  background: var(--bg-deep);
  border-radius: 22px;
  padding: 40px 32px;
  text-align: center;
  color: #f1f1f6;
}

.sp__close .sp__kicker { color: #7dd3fc; }
.sp__close h2 { margin: 0 0 14px; font-size: clamp(21px, 3.6vw, 29px); color: #fff; line-height: 1.35; }
.sp__close > p { margin: 0 auto; max-width: 560px; color: #a9a9bb; font-size: 13.8px; line-height: 1.85; }
.sp__close > p b { color: #fff; }
.sp__close-l { display: flex; gap: 9px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

.sp__close-l a {
  background: rgba(255, 255, 255, .1);
  color: #e7e7f0;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 15px;
  border-radius: 999px;
  transition: .15s;
}

.sp__close-l a:hover { background: var(--accent); color: #fff; }

/* 쇼케이스 내부 부품 */
.sd__opts { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }

.sd__opts .btn--2[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.sd__note {
  font-size: 12.8px;
  color: var(--text-dim);
  line-height: 1.75;
  margin: 12px 0 0;
}

.sd__note b { color: var(--text-sub); }

.sd__two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.sd__h {
  margin: 0 0 9px;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.sd__h span { font-size: 11px; font-weight: 700; color: var(--text-dim); }

.sd__box {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
}

.sd__st { margin: 9px 0 0; font-size: 11.5px; color: var(--text-dim); font-weight: 700; }

.sd__cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }

.sd__cmp-b {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  background: var(--bg-elev);
}

.sd__cmp-b > b { display: block; font-size: 12px; font-weight: 800; margin-bottom: 6px; }
.sd__cmp-b > b.ok { color: var(--success); }
.sd__cmp-b > b.no { color: var(--danger); }
.sd__cmp-b p { margin: 0; font-size: 12.6px; line-height: 1.7; color: var(--text-sub); }

.sd__grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.sd__bt { display: block; font-size: 12.5px; font-weight: 800; margin-bottom: 4px; }

.sd__tbl { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-elev); }

.sd__rel { margin-top: 20px; display: flex; flex-direction: column; gap: 7px; }

.sd__rel-i {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  background: var(--bg-elev);
}

.sd__rel-i b { font-size: 13.5px; font-weight: 800; margin-right: 9px; }
.sd__rel-i span { font-size: 12.3px; color: var(--text-dim); }
.sd__rel-i--on { background: var(--accent-soft); border-color: var(--accent); }
.sd__rel-i--on b { color: var(--accent-text); }

.sd__dlgdemo { padding: 22px 10px; background: var(--bg-sunken); border-radius: var(--radius-sm); }

.sd__pin {
  position: absolute;
  font-size: 9.5px;
  font-weight: 800;
  color: #fff;
  background: var(--accent);
  border-radius: 5px;
  padding: 1.5px 6px;
  letter-spacing: .02em;
}

.sd__state { text-align: center; padding: 22px 14px; }
.sd__state .st { display: inline-flex; padding: 10px 26px; font-size: 13px; }
.sd__state p { margin: 14px 0 0; font-size: 12.8px; color: var(--text-sub); line-height: 1.7; }

.winpop {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 74%;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.winpop__bar {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 10px;
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--border);
}

.winpop__bar span { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); }
.winpop__bar b { margin-left: 8px; font-size: 10px; color: var(--text-dim); font-weight: 600; }
.winpop__body { padding: 20px 14px; text-align: center; font-size: 13px; font-weight: 800; }
.winpop__body span { display: block; margin-top: 5px; font-size: 11px; font-weight: 500; color: var(--text-dim); }

.btn-flat {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
}

/* 반응형 시뮬레이터 */
.rs__ctl { display: flex; align-items: center; gap: 13px; margin-bottom: 16px; }
.rs__lbl { font-size: 12px; font-weight: 800; color: var(--text-dim); white-space: nowrap; }
.rs__ctl input { flex: 1; }
.rs__val { font-size: 13px; font-weight: 800; min-width: 62px; text-align: right; color: var(--accent-text); }

.rs__stage {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.rs__frame {
  max-width: 100%;
  transition: width .12s;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-elev);
}

.rs__site { display: flex; flex-direction: column; min-height: 190px; }

.rs__hd {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}

.rs__hd b { font-weight: 800; letter-spacing: .04em; }
.rs__hd nav { display: flex; gap: 11px; margin-left: auto; color: var(--text-dim); font-weight: 600; }
.rs__burger { margin-left: auto; display: none; font-size: 15px; color: var(--text-sub); font-style: normal; }

.rs__main { flex: 1; display: flex; gap: 9px; padding: 11px; }

.rs__side {
  flex: 0 0 84px;
  background: var(--bg-sunken);
  border: 1px dashed var(--border-strong);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: var(--text-dim);
}

.rs__cards { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }

.rs__cards > div {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 6px;
  min-height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: var(--accent-text);
}

.rs__ft {
  padding: 8px 11px;
  border-top: 1px solid var(--border);
  font-size: 10px; color: var(--text-dim); font-weight: 700;
  text-align: center;
}

/* 시뮬레이터 상태 클래스 — JS가 프레임에 붙인다 */
.rs__frame.bp-tablet .rs__side { display: none; }
.rs__frame.bp-tablet .rs__cards { grid-template-columns: repeat(2, 1fr); }
.rs__frame.bp-mobile .rs__side { display: none; }
.rs__frame.bp-mobile .rs__cards { grid-template-columns: 1fr; }
.rs__frame.bp-mobile .rs__hd nav { display: none; }
.rs__frame.bp-mobile .rs__burger { display: block; }

.rs__state {
  margin: 13px 0 0;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-text);
}

/* ---------- 9) 데모 부품 ---------- */
.d-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.d-col { display: flex; flex-direction: column; gap: 8px; }
.d-note { font-size: 12.8px; color: var(--text-dim); margin-top: 13px; line-height: 1.65; }
.d-box { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; }
.hid { display: none; }
.hid.is-open { display: block; }

.btn {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 7px 15px;
  border-radius: 9px;
  font: inherit;
  font-size: 13.2px;
  font-weight: 700;
  cursor: pointer;
  transition: .14s;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover { filter: brightness(1.09); }
.btn:active { transform: translateY(1px); }
.btn--2 { background: var(--bg-elev); color: var(--text); border-color: var(--border-strong); }
.btn--2:hover { border-color: var(--accent); color: var(--accent-text); filter: none; }
.btn--ghost { background: transparent; border-color: transparent; color: var(--accent-text); }
.btn--ghost:hover { background: var(--accent-soft); filter: none; }
.btn--line { background: transparent; color: var(--accent-text); }
.btn--line:hover { background: var(--accent-soft); filter: none; }
.btn--danger { background: var(--danger); border-color: var(--danger); }
.btn--sm { padding: 5px 11px; font-size: 12.2px; }
.btn--lg { padding: 11px 22px; font-size: 14.5px; border-radius: 11px; }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; transform: none; }

.fld {
  width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg-elev);
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  outline: none;
  transition: .14s;
}

.fld:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.fld:disabled { background: var(--bg-sunken); color: var(--text-dim); cursor: not-allowed; }
.fld[readonly] { background: var(--bg-sunken); }

.lbl { font-size: 12px; font-weight: 700; color: var(--text-sub); display: block; margin-bottom: 4px; }
.hlp { font-size: 11.5px; color: var(--text-dim); margin-top: 4px; }
.err { font-size: 11.5px; color: var(--danger); margin-top: 4px; font-weight: 600; }

.ln { height: 6px; border-radius: 3px; background: var(--border); display: block; }
.ln + .ln { margin-top: 5px; }
.ln.w80 { width: 80%; } .ln.w60 { width: 60%; } .ln.w40 { width: 40%; } .ln.w30 { width: 30%; }
.ln.big { height: 10px; background: var(--border-strong); }

/* 오버레이 무대 — 데모는 강의 중 화면에 띄워 함께 보므로 넉넉하게 잡는다 */
.d-stage {
  position: relative;
  height: 230px;
  border-radius: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  overflow: hidden;
}

.d-stage__bg { padding: 16px; font-size: 13.5px; color: var(--text-dim); line-height: 1.75; }

.scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .48);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  z-index: 5;
}

.is-open .scrim, .scrim.is-open { opacity: 1; pointer-events: auto; }

.dlg {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  width: 100%;
  max-width: 340px;
  box-shadow: var(--shadow-lg);
  transform: scale(.94);
  transition: transform .2s;
}

.is-open .scrim .dlg, .scrim.is-open .dlg { transform: scale(1); }
.dlg h4 { margin: 0 0 7px; font-size: 16.5px; }
.dlg p { margin: 0 0 16px; font-size: 14px; color: var(--text-sub); line-height: 1.65; }
.dlg .d-row { justify-content: flex-end; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-sub);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: .13s;
  font-family: inherit;
}

.chip[aria-pressed="true"], .chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); }

.badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 999px; background: var(--danger); color: #fff;
  font-size: 10.5px; font-weight: 800;
}

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 5px;
  background: var(--accent-soft); color: var(--accent-text);
  font-size: 11.5px; font-weight: 700;
}

.sk {
  background: linear-gradient(90deg, var(--border) 25%, var(--bg-sunken) 37%, var(--border) 63%);
  background-size: 400% 100%;
  animation: sk 1.4s ease infinite;
  border-radius: 5px;
}

@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.spin {
  width: 26px; height: 26px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.bar { height: 7px; background: var(--border); border-radius: 999px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .3s; }

/* 내비게이션 부품 */
.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--border); }

.tabs button {
  border: 0; background: none; color: var(--text-dim);
  font: inherit; font-size: 12.8px; font-weight: 700;
  padding: 7px 11px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: .14s;
}

.tabs button:hover { color: var(--text-sub); }
.tabs button[aria-selected="true"] { color: var(--accent-text); border-bottom-color: var(--accent); }

.pane { padding: 11px 3px 2px; font-size: 12.8px; color: var(--text-sub); line-height: 1.6; }

.tbtn {
  flex: 1; border: 0; background: none; padding: 8px 0;
  cursor: pointer; font: inherit; font-size: 10px; font-weight: 700;
  color: var(--text-dim); line-height: 1.4;
}

.tbtn[aria-pressed="true"] { color: var(--accent-text); }

.menu {
  position: absolute; top: calc(100% + 5px); left: 0;
  min-width: 138px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  box-shadow: var(--shadow-lg);
  padding: 5px;
  opacity: 0; transform: translateY(-5px); pointer-events: none;
  transition: .16s; z-index: 20;
}

.menu.is-open { opacity: 1; transform: none; pointer-events: auto; }

.menu i {
  display: block; padding: 6px 9px; border-radius: 6px;
  font-size: 12.5px; font-style: normal; color: var(--text-sub); cursor: pointer;
}

.menu i:hover { background: var(--accent-soft); color: var(--accent-text); }

.drawer {
  position: absolute; left: 0; top: 0; bottom: 0; width: 62%;
  background: var(--bg-elev); border-right: 1px solid var(--border-strong);
  transform: translateX(-101%);
  transition: transform .26s cubic-bezier(.4, 0, .2, 1);
  z-index: 6; padding: 15px;
}

.is-open .drawer { transform: none; }

.sheet {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--border-strong);
  border-radius: 14px 14px 0 0;
  transform: translateY(101%);
  transition: transform .26s cubic-bezier(.4, 0, .2, 1);
  z-index: 6; padding: 17px;
  box-shadow: var(--shadow-lg);
}

.is-open .sheet { transform: none; }
.sheet__grab { width: 34px; height: 4px; background: var(--border-strong); border-radius: 99px; margin: 0 auto 10px; }

.np {
  position: absolute; right: 0; top: 0; bottom: 0; width: 46%;
  background: var(--bg-elev); border-left: 1px solid var(--border-strong);
  transform: translateX(101%);
  transition: transform .25s cubic-bezier(.4, 0, .2, 1);
  padding: 15px; z-index: 4;
}

.np.is-open { transform: none; }

.crumb { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; font-size: 12.5px; }
.crumb a { color: var(--text-dim); text-decoration: none; cursor: pointer; }
.crumb a:hover { color: var(--accent-text); text-decoration: underline; }
.crumb span { color: var(--text-dim); opacity: .6; }
.crumb b { color: var(--text); font-weight: 700; }

.pager { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }

.pager button {
  min-width: 28px; height: 28px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--text-sub);
  border-radius: 7px; font: inherit; font-size: 12px; font-weight: 700; cursor: pointer;
}

.pager button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager button:disabled { opacity: .35; cursor: not-allowed; }

.steps { display: flex; align-items: center; }
.steps > div { display: flex; align-items: center; flex: 1; }
.steps > div:last-child { flex: 0 0 auto; }

.steps b {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: var(--bg-elev); color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; flex: 0 0 auto; transition: .2s;
}

.steps i { flex: 1; height: 2px; background: var(--border-strong); transition: .2s; }
.steps .done b { background: var(--accent); border-color: var(--accent); color: #fff; }
.steps .done i { background: var(--accent); }
.steps .now b { border-color: var(--accent); color: var(--accent-text); }
.steps__lbl { display: flex; margin-top: 6px; font-size: 10.5px; color: var(--text-dim); font-weight: 700; }
.steps__lbl span { flex: 1; }
.steps__lbl span:last-child { flex: 0 0 auto; }

.fab {
  position: absolute; right: 10px; bottom: 10px;
  width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: var(--accent); color: #fff;
  font-size: 19px; cursor: pointer; box-shadow: var(--shadow-md); z-index: 2;
}

.sticky-demo { height: 118px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev); }
.sticky-demo__bar { position: sticky; top: 0; background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; padding: 6px 10px; z-index: 1; }
.sticky-demo__body { padding: 10px; }

.burger {
  width: 34px; height: 30px;
  border: 1px solid var(--border-strong); border-radius: 7px;
  background: var(--bg-elev); cursor: pointer;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px;
  flex: 0 0 auto;
}

.burger em { display: block; width: 15px; height: 2px; background: var(--text-sub); border-radius: 2px; }

/* 오버레이·피드백 부품 */
.tip-h { position: relative; display: inline-block; border-bottom: 1px dashed var(--text-dim); cursor: help; font-weight: 700; }

.tip-h::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 7px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #111827; color: #fff;
  font-size: 11px; font-weight: 500;
  padding: 5px 9px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: .16s; z-index: 30;
}

.tip-h:hover::after, .tip-h:focus-visible::after { opacity: 1; transform: translateX(-50%); }

.toast {
  position: absolute; left: 50%; bottom: 16px;
  transform: translateX(-50%) translateY(10px);
  background: #111827; color: #fff;
  font-size: 13px; padding: 11px 18px; border-radius: 10px;
  opacity: 0; pointer-events: none; transition: .22s; z-index: 8;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-lg); max-width: 92%;
}

.toast.is-open { opacity: 1; transform: translateX(-50%); pointer-events: auto; }
.toast em { font-style: normal; color: #93c5fd; font-weight: 800; cursor: pointer; white-space: nowrap; }

.banner {
  display: flex; gap: 9px; align-items: center;
  background: var(--accent-soft); border: 1px solid var(--accent);
  color: var(--accent-text); border-radius: 9px;
  padding: 9px 11px; font-size: 12.3px; line-height: 1.55;
}

.banner button { margin-left: auto; }

.msg {
  display: flex; gap: 7px; align-items: flex-start;
  font-size: 12.2px; border-radius: 8px; padding: 8px 10px;
  line-height: 1.55; border: 1px solid;
}

.msg.ok { background: color-mix(in srgb, var(--success) 10%, transparent); border-color: color-mix(in srgb, var(--success) 40%, transparent); color: var(--success); }
.msg.no { background: color-mix(in srgb, var(--danger) 10%, transparent); border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--danger); }
.msg.warn { background: var(--warn-soft); border-color: var(--warn-border); color: var(--warn); }

.pop {
  position: absolute; bottom: calc(100% + 8px); left: 0; width: 190px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: 10px; box-shadow: var(--shadow-lg); padding: 11px;
  font-size: 12.2px; color: var(--text-sub);
  opacity: 0; transform: translateY(5px); pointer-events: none;
  transition: .16s; z-index: 30; line-height: 1.55;
}

.pop.is-open { opacity: 1; transform: none; pointer-events: auto; }

.cmp { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.cmp > div { border: 1px solid var(--border); border-radius: 9px; padding: 9px; background: var(--bg-elev); }
.cmp h6 { margin: 0 0 6px; font-size: 11.5px; font-weight: 800; color: var(--accent-text); }
.cmp p { margin: 0; font-size: 11.5px; color: var(--text-dim); line-height: 1.5; }

.coach {
  position: absolute; background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 700; padding: 7px 11px;
  border-radius: 8px; box-shadow: var(--shadow-lg); z-index: 6; line-height: 1.45;
}

/* 폼 부품 */
.opt { display: flex; align-items: center; gap: 7px; font-size: 12.8px; cursor: pointer; padding: 3px 0; color: var(--text-sub); }
.opt input { accent-color: var(--accent); width: 15px; height: 15px; }

.sw { position: relative; display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-size: 12.8px; color: var(--text-sub); }
.sw input { position: absolute; opacity: 0; width: 0; height: 0; }
.sw i { width: 38px; height: 22px; background: var(--border-strong); border-radius: 99px; position: relative; transition: .2s; flex: 0 0 auto; }

.sw i::after {
  content: ""; position: absolute; left: 2px; top: 2px;
  width: 18px; height: 18px; background: #fff; border-radius: 50%;
  transition: .2s; box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}

.sw input:checked + i { background: var(--accent); }
.sw input:checked + i::after { transform: translateX(16px); }
.sw input:focus-visible + i { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }

.seg { display: inline-flex; background: var(--bg-sunken); border: 1px solid var(--border); border-radius: 9px; padding: 2px; }

.seg button {
  border: 0; background: none; padding: 5px 13px; border-radius: 7px;
  font: inherit; font-size: 12px; font-weight: 700;
  color: var(--text-dim); cursor: pointer; transition: .14s;
}

.seg button[aria-pressed="true"] { background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow-sm); }

.dz {
  border: 2px dashed var(--border-strong); border-radius: 10px;
  padding: 18px 12px; text-align: center; font-size: 12px;
  color: var(--text-dim); transition: .15s; cursor: pointer;
}

.dz.is-open { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-text); }

.num { display: inline-flex; align-items: center; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; background: var(--bg-elev); }
.num button { border: 0; background: none; width: 28px; height: 28px; font-size: 15px; cursor: pointer; color: var(--text-sub); line-height: 1; }
.num button:hover { background: var(--bg-sunken); }
.num input { width: 40px; border: 0; text-align: center; background: none; color: var(--text); font: inherit; font-size: 13px; -moz-appearance: textfield; }
.num input::-webkit-outer-spin-button, .num input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

input[type="range"] { accent-color: var(--accent); width: 100%; }

.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; font-size: 11px; text-align: center; }
.cal span { padding: 4px 0; color: var(--text-dim); font-weight: 700; }
.cal b { padding: 5px 0; border-radius: 6px; font-weight: 500; color: var(--text-sub); cursor: pointer; }
.cal b:hover { background: var(--bg-sunken); }
.cal b.on { background: var(--accent); color: #fff; font-weight: 700; }
.cal b.dim { opacity: .3; }

/* 데이터 표시 부품 */
.car { overflow: hidden; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-elev); }
.car__track { display: flex; transition: transform .3s cubic-bezier(.4, 0, .2, 1); }

.car__track > div {
  flex: 0 0 100%; height: 118px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: var(--accent-text);
  background: var(--accent-soft); border-right: 1px solid var(--border);
}

.dots { display: flex; gap: 5px; justify-content: center; margin-top: 9px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); transition: .2s; display: block; }
.dots i.on { background: var(--accent); width: 16px; border-radius: 99px; }

.acc { border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: var(--bg-elev); }
.acc details { border-bottom: 1px solid var(--border); }
.acc details:last-child { border-bottom: 0; }

.acc summary {
  padding: 9px 11px; font-size: 12.8px; font-weight: 700; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between;
  align-items: center; gap: 8px; color: var(--text);
}

.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "▾"; transition: transform .2s; color: var(--text-dim); font-size: 11px; }
.acc details[open] summary::after { transform: rotate(180deg); }
.acc p { margin: 0; padding: 0 11px 11px; font-size: 12.3px; color: var(--text-sub); line-height: 1.6; }

.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev); }
.tbl { width: 100%; border-collapse: collapse; font-size: 12.4px; min-width: 300px; }
.tbl th { background: var(--bg-sunken); padding: 8px 10px; text-align: left; font-weight: 800; color: var(--text-sub); border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--text-sub); }
.tbl tr:last-child td { border-bottom: 0; }

.ava {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; flex: 0 0 auto; border: 1px solid var(--accent);
}

.ava--sm { width: 24px; height: 24px; font-size: 10px; }
.ava-stack { display: flex; }
.ava-stack .ava { margin-left: -9px; border: 2px solid var(--bg-sunken); }
.ava-stack .ava:first-child { margin-left: 0; }

.tl { position: relative; padding-left: 18px; }
.tl::before { content: ""; position: absolute; left: 4px; top: 5px; bottom: 8px; width: 2px; background: var(--border); }
.tl > div { position: relative; padding-bottom: 12px; font-size: 12.3px; color: var(--text-sub); line-height: 1.5; }
.tl > div::before { content: ""; position: absolute; left: -18px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); border: 2px solid var(--bg-sunken); }
.tl > div b { display: block; color: var(--text); font-size: 12.5px; }
.tl > div span { font-size: 11px; color: var(--text-dim); }

.chart { display: flex; align-items: flex-end; gap: 8px; height: 108px; }
.chart i { flex: 1; background: var(--accent); border-radius: 4px 4px 0 0; display: block; min-height: 4px; }
.chart-x { display: flex; gap: 7px; margin-top: 5px; font-size: 10px; color: var(--text-dim); text-align: center; }
.chart-x span { flex: 1; }

.thumb {
  width: 100%; aspect-ratio: 4 / 3; border-radius: 7px;
  background: var(--bg-sunken); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--text-dim);
}

/* 상태 부품 */
.st {
  display: flex; align-items: center; justify-content: center;
  padding: 13px 8px; border-radius: 9px;
  border: 1px solid var(--border-strong); background: var(--bg-elev);
  font-size: 13px; font-weight: 700; color: var(--text-sub);
  text-align: center; transition: .14s;
}

.st.hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); }
.st.focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); border-color: var(--accent); }
.st.active { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(1px); }
.st.sel { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); font-weight: 800; }
.st.dis { opacity: .4; }

.mv-track { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 7px 8px; overflow: hidden; }
.mv { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); margin-left: 0; transition: margin-left .7s linear; }
.mv.ease { transition-timing-function: cubic-bezier(.2, .9, .3, 1); }
.mv-track.is-open .mv { margin-left: calc(100% - 22px); }

.heart { font-size: 22px; cursor: pointer; background: none; border: 0; padding: 3px; line-height: 1; transition: transform .22s cubic-bezier(.2, 1.6, .4, 1); }
.heart::before { content: "♡"; color: var(--text-dim); }
.heart[aria-pressed="true"]::before { content: "♥"; color: var(--danger); }
.heart[aria-pressed="true"] { transform: scale(1.22); }

.drag-item { padding: 6px 10px; background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 7px; font-size: 12px; font-weight: 700; cursor: grab; user-select: none; }
.drag-item.dragging { opacity: .4; }

.drop-zone {
  flex: 1; min-height: 62px;
  border: 2px dashed var(--border-strong); border-radius: 9px;
  padding: 7px; display: flex; flex-direction: column; gap: 5px; transition: .15s;
}

.drop-zone.drop-on { border-color: var(--accent); background: var(--accent-soft); }
.drop-zone > b { font-size: 10px; color: var(--text-dim); letter-spacing: .02em; }

.press-target {
  padding: 14px; border-radius: 9px; background: var(--bg-elev);
  border: 1px solid var(--border-strong); text-align: center;
  font-size: 12.3px; font-weight: 700; color: var(--text-sub);
  user-select: none; cursor: pointer; transition: .1s;
}

.press-target.pressing { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); transform: scale(.97); }

.swipe-wrap { position: relative; overflow: hidden; border-radius: 8px; border: 1px solid var(--border); }
.swipe-bg { position: absolute; inset: 0; background: var(--danger); color: #fff; display: flex; align-items: center; justify-content: flex-end; padding-right: 14px; font-size: 12px; font-weight: 800; }
.swipe-fg { position: relative; background: var(--bg-elev); padding: 11px; font-size: 12.3px; transition: transform .25s; }
.swipe-wrap.is-open .swipe-fg { transform: translateX(-84px); }

.ptr { border: 1px solid var(--border); border-radius: 9px; background: var(--bg-elev); overflow: hidden; }
.ptr__top { display: flex; align-items: center; justify-content: center; gap: 7px; height: 0; overflow: hidden; background: var(--bg-sunken); font-size: 11px; color: var(--text-dim); font-weight: 700; transition: height .25s; }
.ptr.is-open .ptr__top { height: 34px; }

.para { position: relative; height: 92px; overflow-y: auto; border-radius: 9px; border: 1px solid var(--border); background: var(--bg-elev); }
.para__bg { position: sticky; top: 0; height: 92px; margin-bottom: -92px; background: linear-gradient(135deg, var(--accent-soft), var(--bg-sunken)); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; color: var(--accent-text); }
.para__fg { position: relative; padding: 42px 12px 12px; }
.para__fg > div { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 10px; font-size: 12px; color: var(--text-sub); }

/* 미니 화면 목업 */
.mock { background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 9px; overflow: hidden; display: flex; flex-direction: column; gap: 4px; padding: 5px; }
.mk-row { display: flex; gap: 4px; flex: 1; min-height: 0; }
.mk-col { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }

.mk-b {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-sunken); border: 1px dashed var(--border-strong);
  border-radius: 6px; font-size: 12px; font-weight: 700; color: var(--text-dim);
  padding: 8px 6px; text-align: center; min-height: 34px; letter-spacing: -.01em;
}

.mk-b.on { background: var(--accent-soft); border-style: solid; border-color: var(--accent); color: var(--accent-text); }
.mk-b.warn { background: var(--warn-soft); border-color: var(--warn-border); border-style: solid; color: var(--warn); }
.mk-b.tall { min-height: 78px; }
.mk-b.grow { flex: 1; }

.mk-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 4px; height: 50px; }
.mk-grid i { background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 3px; display: block; }
.mk-grid.gut { gap: 10px; }
.mk-cap { font-size: 10px; font-weight: 700; color: var(--text-dim); letter-spacing: -.01em; margin-bottom: 5px; display: block; }

.mk-dev { display: flex; gap: 8px; align-items: flex-end; }
.mk-dev > div { border: 1px solid var(--border-strong); border-radius: 6px; padding: 4px; background: var(--bg-elev); }
.mk-dev .p { width: 52px; }
.mk-dev .t { width: 78px; }
.mk-dev .d { flex: 1; }

@media (prefers-reduced-motion: reduce) {
  .sk, .spin { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---------- 10) 반응형 ---------- */
@media (max-width: 860px) {
  .sd__two, .sd__cmp { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .sh__in, .hm, .cp, .tp, .sp { padding-left: 15px; padding-right: 15px; }
  .sh__logo { font-size: 13.5px; }
  .sh__nav a { padding: 6px 8px; font-size: 12.5px; }
  .hm__hero { padding: 44px 0 38px; }
  .hm__stat { gap: 22px; }
  .hm__stat b { font-size: 22px; }
  .hm__how { padding: 24px 18px; }
  .hm__grid, .hm__show-g { grid-template-columns: 1fr; }
  .hm__cats, .hm__show { padding-top: 46px; }
  .tc { padding: 18px 16px 20px; }
  .tc__name h3 { font-size: 18.5px; }
  .tc__no { display: none; }
  .tc__demo-b { padding: 18px 14px; }
  .ask { flex-direction: column; gap: 8px; }
  .ask__c { align-self: flex-end; }
  .tp__list { grid-template-columns: 1fr; }
  .cp__pn { flex-direction: column; }
  .cp__pn-i { max-width: none; }
  .cp__pn-i--n { text-align: left; }
  .sp__close { padding: 30px 20px; border-radius: 16px; }
  .sd__grid3 { grid-template-columns: 1fr; }
  .cmp { grid-template-columns: 1fr; }
}