/* ===================================================================
   visionCap — 콘덴서 외관 검사 실습 (라이트 / 다크)
   =================================================================== */
:root {
  --bg: #eef1f5;
  --pane: #ffffff;
  --card: #ffffff;
  --card2: #f5f7fa;
  --line: #dfe4eb;
  --fg: #1b2230;
  --muted: #677285;
  --accent: #0b6bcb;
  --accent-soft: #e6f0fb;
  --ok: #178a4c;
  --ok-soft: #e2f5ea;
  --ng: #d23a32;
  --ng-soft: #fde9e7;
  --warn: #b77900;
  --warn-soft: #fff4d6;
  --info-soft: #eaf1ff;
  --code-bg: #f4f6f9;
  --code-fg: #1f2733;
  --tk-k: #c2185b; --tk-s: #0b6e4f; --tk-c: #7a8494; --tk-n: #1156b3; --tk-f: #7b3fc4;
  --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 14px rgba(20, 30, 50, .06);
  --radius: 10px;
  --nav-w: 272px;
  --out-w: 420px;
  --mono: 'JetBrains Mono', D2Coding, Consolas, monospace;
  --sans: 'Pretendard Variable', Pretendard, -apple-system, 'Segoe UI', 'Malgun Gothic', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1015; --pane: #141920; --card: #19202a; --card2: #1e2631; --line: #29323f; --fg: #e2e8f0; --muted: #8b96a8;
    --accent: #5aa9ff; --accent-soft: #1a2b42; --ok: #43c985; --ok-soft: #12301f; --ng: #ff6b61; --ng-soft: #3a1917;
    --warn: #f2c14e; --warn-soft: #33290f; --info-soft: #182338; --code-bg: #10151c; --code-fg: #d5dde9;
    --tk-k: #ff7eb6; --tk-s: #7ee0b0; --tk-c: #6f7b8c; --tk-n: #7cb7ff; --tk-f: #c9a2ff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 6px 20px rgba(0, 0, 0, .25); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1015; --pane: #141920; --card: #19202a; --card2: #1e2631; --line: #29323f; --fg: #e2e8f0; --muted: #8b96a8;
  --accent: #5aa9ff; --accent-soft: #1a2b42; --ok: #43c985; --ok-soft: #12301f; --ng: #ff6b61; --ng-soft: #3a1917;
  --warn: #f2c14e; --warn-soft: #33290f; --info-soft: #182338; --code-bg: #10151c; --code-fg: #d5dde9;
  --tk-k: #ff7eb6; --tk-s: #7ee0b0; --tk-c: #6f7b8c; --tk-n: #7cb7ff; --tk-f: #c9a2ff;
  --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 6px 20px rgba(0, 0, 0, .25); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font: 15px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow: hidden; }
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
code, pre, kbd { font-family: var(--mono); font-size: .88em; }
.muted { color: var(--muted); }

/* ---------------- 3단 레이아웃 */
.layout { display: grid; grid-template-columns: var(--nav-w) minmax(0, 1fr) var(--out-w); height: 100vh; height: 100dvh; }
.pane { background: var(--pane); min-height: 0; }
.nav { border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.main { display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
.out { border-left: 1px solid var(--line); display: flex; flex-direction: column; }
.layout.out-hidden { grid-template-columns: var(--nav-w) minmax(0, 1fr) 0; }
.layout.out-hidden .out { display: none; }

/* ---------------- 왼쪽 메뉴 */
.brand { display: flex; align-items: center; gap: 10px; padding: 14px 14px 10px; }
.brand-logo { display: grid; place-items: center; text-decoration: none; }
.brand-text { flex: 1; min-width: 0; }
.brand-title { font-weight: 800; font-size: 18px; letter-spacing: -.2px; }
.brand-sub { font-size: 12px; color: var(--muted); }
.icon-btn { border: 1px solid var(--line); background: var(--card); border-radius: 8px; width: 32px; height: 32px; cursor: pointer; display: grid; place-items: center; flex: none; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.nav-close, .nav-open { display: none; }
.nav-search { padding: 0 12px 8px; }
.nav-search input { width: 100%; border: 1px solid var(--line); background: var(--card2); border-radius: 8px; padding: 6px 10px; font-size: 14px; }
.menu { flex: 1; overflow-y: auto; padding: 4px 8px 16px; }
.menu-group { margin-top: 10px; }
.menu-group > .g-title { font-size: 11.5px; font-weight: 700; color: var(--muted); letter-spacing: .4px; padding: 4px 10px; text-transform: uppercase; }
.menu a { display: flex; align-items: center; gap: 9px; padding: 6px 10px; border-radius: 8px; color: var(--fg); text-decoration: none; font-size: 14.2px; }
.menu a:hover { background: var(--card2); }
.menu a.active { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.menu a .ico { width: 22px; text-align: center; flex: none; }
.menu a .cnt { margin-left: auto; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.nav-foot { padding: 8px 14px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }

/* ---------------- 가운데 */
.main-head { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: var(--pane); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.crumb { flex: 1; min-width: 180px; }
.crumb span { font-size: 12px; color: var(--muted); display: block; line-height: 1.2; }
.crumb h1 { margin: 0; font-size: 20px; line-height: 1.3; letter-spacing: -.3px; }
.tabs { display: flex; gap: 4px; background: var(--card2); border: 1px solid var(--line); padding: 3px; border-radius: 10px; }
.tabs button { border: 0; background: none; padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 14px; white-space: nowrap; }
.tabs button.active { background: var(--pane); box-shadow: var(--shadow); color: var(--accent); font-weight: 650; }
.tabs button:disabled { opacity: .35; cursor: default; }
.view { flex: 1; overflow-y: auto; padding: 22px 28px 60px; }
.doc { max-width: 920px; margin: 0 auto; }
.doc h2 { font-size: 20px; margin: 30px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line); letter-spacing: -.2px; }
.doc h2:first-child { margin-top: 4px; }
.doc h3 { font-size: 16.5px; margin: 22px 0 8px; }
.doc p, .doc li { color: var(--fg); }
.doc table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 14px; background: var(--card); border-radius: 8px; overflow: hidden; }
.doc th, .doc td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--card2); font-weight: 650; }
.doc svg { max-width: 100%; height: auto; }
.doc figure { margin: 14px 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.doc figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.formula { font-family: var(--mono); background: var(--code-bg); border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 8px; margin: 10px 0; overflow-x: auto; white-space: pre-wrap; font-size: 14px; }
.callout { border-radius: 10px; padding: 11px 14px 11px 42px; margin: 14px 0; position: relative; border: 1px solid var(--line); }
.callout::before { position: absolute; left: 13px; top: 10px; font-size: 17px; }
.callout.tip { background: var(--ok-soft); } .callout.tip::before { content: '💡'; }
.callout.warn { background: var(--warn-soft); } .callout.warn::before { content: '⚠️'; }
.callout.info { background: var(--info-soft); } .callout.info::before { content: 'ℹ️'; }
.try { background: var(--accent-soft); border: 1px dashed var(--accent); border-radius: 10px; padding: 11px 14px; margin: 14px 0; }
.try > b:first-child { color: var(--accent); margin-right: 6px; }
.try > b:first-child::before { content: '🧪 '; }
ol.steps { counter-reset: st; list-style: none; padding: 0; }
ol.steps > li { counter-increment: st; position: relative; padding: 4px 0 8px 44px; margin: 8px 0; }
ol.steps > li::before { content: counter(st); position: absolute; left: 0; top: 3px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; }
ol.steps > li p { margin: 4px 0; }
details { background: var(--card2); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; margin: 6px 0; }
summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.doc code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
.goto { display: inline-flex; gap: 6px; align-items: center; margin-top: 18px; }

/* ---------------- 카드 · 컨트롤 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; margin-bottom: 14px; }
.card > h3 { margin: 0 0 10px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card > h3 .sp { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn { border: 1px solid var(--line); background: var(--card2); border-radius: 8px; padding: 5px 12px; cursor: pointer; font-size: 14px; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 650; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.sm { padding: 2px 9px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
select, input[type=number], input[type=text] { border: 1px solid var(--line); background: var(--card2); border-radius: 7px; padding: 4px 8px; font-size: 14px; }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg label { padding: 5px 11px; cursor: pointer; font-size: 13.5px; border-right: 1px solid var(--line); background: var(--card2); }
.seg label:last-child { border-right: 0; }
.seg input { display: none; }
.seg label:has(input:checked) { background: var(--accent); color: #fff; }
.params { display: grid; grid-template-columns: minmax(130px, 190px) 1fr 74px; gap: 6px 12px; align-items: center; }
.params label { font-size: 14px; }
.params input[type=range] { width: 100%; accent-color: var(--accent); }
.params .val { font-family: var(--mono); font-size: 13px; text-align: right; background: var(--card2); border-radius: 6px; padding: 1px 6px; }
.params .unit { font-size: 11px; color: var(--muted); }
.flow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 13px; }
.flow .st { background: var(--card2); border: 1px solid var(--line); border-radius: 20px; padding: 2px 10px; cursor: pointer; }
.flow .st:hover { border-color: var(--accent); }
.flow .ar { color: var(--muted); }
.input-thumb { width: 92px; height: 92px; border-radius: 8px; border: 1px solid var(--line); object-fit: cover; background: #888; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; font-size: 13px; }
.kv b { color: var(--muted); font-weight: 500; }
.hint { font-size: 13px; color: var(--muted); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------------- 오른쪽 결과 */
.out-head { padding: 12px 16px; border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: baseline; }
.out-head span { font-size: 12px; margin-left: auto; }
.out-body { flex: 1; overflow-y: auto; padding: 12px 14px 40px; }
.verdict { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; border: 1px solid var(--line); }
.verdict .badge { font-weight: 800; font-size: 20px; padding: 2px 12px; border-radius: 8px; color: #fff; letter-spacing: .5px; }
.verdict.ok { background: var(--ok-soft); } .verdict.ok .badge { background: var(--ok); }
.verdict.ng { background: var(--ng-soft); } .verdict.ng .badge { background: var(--ng); }
.verdict.na { background: var(--card2); } .verdict.na .badge { background: var(--muted); }
.verdict .lbl { font-weight: 650; line-height: 1.3; }
.verdict .ms { margin-left: auto; font-size: 12px; color: var(--muted); font-family: var(--mono); text-align: right; }
.viewer { position: relative; background: #0b0d10; border-radius: 10px; overflow: hidden; }
.viewer canvas { display: block; width: 100%; height: auto; image-rendering: auto; cursor: crosshair; }
.viewer .pix { position: absolute; left: 6px; bottom: 6px; font: 11px var(--mono); color: #fff; background: rgba(0, 0, 0, .55); padding: 1px 6px; border-radius: 4px; pointer-events: none; }
.viewer .pix:empty { display: none; }
.viewer .vname { position: absolute; left: 6px; top: 6px; font-size: 11.5px; color: #fff; background: rgba(0, 0, 0, .55); padding: 1px 7px; border-radius: 4px; }
.vtools { display: flex; gap: 10px; flex-wrap: wrap; font-size: 13px; margin: 6px 0 10px; align-items: center; }
.vtools label { display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }
.meas { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 12px; }
.meas td { padding: 4px 6px; border-bottom: 1px solid var(--line); }
.meas td.v { text-align: right; font-family: var(--mono); white-space: nowrap; }
.meas td.gt { text-align: right; font-family: var(--mono); color: var(--muted); font-size: 12px; white-space: nowrap; }
.meas tr.bad td.v { color: var(--ng); font-weight: 700; }
.meas tr.good td.v { color: var(--ok); }
.meas th { font-size: 11px; color: var(--muted); font-weight: 500; text-align: right; padding: 2px 6px; }
.meas th:first-child { text-align: left; }
.sec-t { font-size: 12px; font-weight: 700; color: var(--muted); margin: 12px 0 6px; letter-spacing: .3px; display: flex; gap: 8px; align-items: center; }
.sec-t .sp { flex: 1; }
.stages { display: grid; grid-template-columns: repeat(auto-fill, minmax(116px, 1fr)); gap: 8px; }
.stage { cursor: pointer; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: var(--card2); }
.stage.sel { border-color: var(--accent); }
.stage canvas { width: 100%; display: block; background: #000; }
.stage div { font-size: 11.5px; padding: 3px 6px; line-height: 1.3; }
.log { background: #0f1419; color: #d7dde8; font: 12px/1.5 var(--mono); padding: 8px 10px; border-radius: 8px; white-space: pre-wrap; max-height: 200px; overflow: auto; }
.empty { color: var(--muted); font-size: 14px; text-align: center; padding: 40px 10px; }

/* ---------------- 소스 */
.code-tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; align-items: center; }
pre.code { background: var(--code-bg); color: var(--code-fg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow: auto; font-size: 13px; line-height: 1.55; max-height: calc(100vh - 220px); tab-size: 2; }
.tk-k { color: var(--tk-k); } .tk-s { color: var(--tk-s); } .tk-c { color: var(--tk-c); font-style: italic; } .tk-n { color: var(--tk-n); } .tk-f { color: var(--tk-f); }

/* ---------------- DB 브라우저 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px; }
.grid .it { position: relative; cursor: pointer; border-radius: 8px; overflow: hidden; border: 2px solid transparent; background: #777; aspect-ratio: 1; }
.grid .it img { width: 100%; height: 100%; object-fit: cover; display: block; }
.grid .it span { position: absolute; left: 0; right: 0; bottom: 0; font-size: 10.5px; color: #fff; background: rgba(0, 0, 0, .55); padding: 1px 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grid .it.sel { border-color: var(--accent); }
.grid .it.ng { outline: 3px solid var(--ng); outline-offset: -3px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--card2); border-radius: 20px; padding: 2px 10px; font-size: 13px; cursor: pointer; }
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip .n { opacity: .7; font-size: 11px; margin-left: 4px; }

/* ---------------- 평가 */
.cm { border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
.cm td, .cm th { border: 1px solid var(--line); padding: 3px 6px; text-align: center; }
.cm th { background: var(--card2); font-weight: 600; font-size: 11px; }
.cm th.rot { writing-mode: vertical-rl; transform: rotate(180deg); white-space: nowrap; padding: 6px 2px; }
.bar { height: 8px; background: var(--card2); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.progress { height: 6px; background: var(--card2); border-radius: 3px; overflow: hidden; margin: 8px 0; }
.progress > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }

/* ---------------- 카메라 */
.cam-wrap { position: relative; background: #000; border-radius: 10px; overflow: hidden; }
.cam-wrap video { width: 100%; display: block; }
.cam-wrap .roi { position: absolute; border: 2px dashed #ffd60a; pointer-events: none; }

/* ---------------- 라이트박스 */
.lightbox { position: fixed; inset: 0; background: rgba(0, 0, 0, .82); z-index: 50; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.lightbox[hidden] { display: none; }
.lightbox canvas { max-width: 94vw; max-height: 86vh; image-rendering: pixelated; background: #000; }
.lightbox div { color: #fff; font-size: 13px; }

/* ---------------- 반응형 */
@media (max-width: 1280px) { :root { --out-w: 360px; --nav-w: 240px; } }
@media (max-width: 1020px) {
  body { overflow: auto; }
  .layout { grid-template-columns: minmax(0, 1fr); height: auto; }
  .layout.out-hidden { grid-template-columns: minmax(0, 1fr); }
  .nav { position: fixed; inset: 0 auto 0 0; width: min(300px, 86vw); z-index: 40; transform: translateX(-102%); transition: transform .2s; box-shadow: var(--shadow); }
  .nav.open { transform: none; }
  .nav-close, .nav-open { display: grid; }
  .out-toggle { display: none; }
  .main { min-height: 70vh; }
  .view { overflow: visible; padding: 16px 16px 30px; }
  .out { border-left: 0; border-top: 1px solid var(--line); }
  .out-body { overflow: visible; }
  .two { grid-template-columns: 1fr; }
  .params { grid-template-columns: minmax(110px, 1fr) 1.4fr 64px; }
}
@media (max-width: 560px) {
  .main-head { padding: 8px 12px; }
  .tabs { width: 100%; }
  .tabs button { flex: 1; padding: 5px 4px; font-size: 13px; }
  .params { grid-template-columns: 1fr 64px; }
  .params input[type=range] { grid-column: 1 / -1; order: 3; }
}

/* ---------------- 특별 메뉴: 딥러닝 검사 */
.menu-group.special { margin: 16px 2px 8px; padding: 8px 6px 8px; border-radius: 14px; position: relative;
  background: linear-gradient(145deg, rgba(124, 58, 237, .12), rgba(11, 107, 203, .10) 55%, rgba(16, 185, 129, .08));
  border: 1px solid rgba(124, 58, 237, .35); box-shadow: 0 4px 18px rgba(124, 58, 237, .12); }
.menu-group.special > .g-title { display: flex; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; padding: 4px 8px 2px; }
.menu-group.special .g-name { font-size: 15px; font-weight: 800; background: linear-gradient(90deg, #7c3aed, #0b6bcb 60%, #0e9f6e);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.menu-group.special .ai-badge { font-size: 10.5px; font-weight: 800; color: #fff; padding: 2px 7px; border-radius: 6px;
  background: linear-gradient(135deg, #7c3aed, #0b6bcb); box-shadow: 0 2px 6px rgba(124, 58, 237, .35); }
.menu-group.special .g-new { margin-left: auto; font-size: 9.5px; font-weight: 800; color: #d23a32; border: 1px solid currentColor; border-radius: 10px; padding: 0 6px; }
.menu-group.special .g-sub { font-size: 11.5px; color: var(--muted); padding: 0 8px 6px; }
.menu-group.special a { font-size: 14px; }
.menu-group.special a:hover { background: rgba(124, 58, 237, .10); }
.menu-group.special a.active { background: linear-gradient(90deg, rgba(124, 58, 237, .22), rgba(11, 107, 203, .14)); color: #6d28d9; }
:root[data-theme="dark"] .menu-group.special a.active { color: #c4b5fd; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .menu-group.special a.active { color: #c4b5fd; } }

.params input[type=number] { width: 100%; min-width: 0; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px 14px; }
.fld { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--muted); }
.fld input { width: 100%; font-size: 14px; color: var(--fg); }
#coTab table td:first-child, #hyTab table td:first-child { min-width: 150px; }

/* ---------------- 강좌 그림 (화면 캡처) */
.doc figure.shot { margin: 16px 0; padding: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.doc figure.shot img { display: block; width: 100%; height: auto; border-radius: 8px; cursor: zoom-in; background: #111; }
.doc figure.shot figcaption { margin-top: 8px; font-size: 13.5px; color: var(--fg); line-height: 1.55; }
.doc figure.shot figcaption b.fig { color: var(--accent); margin-right: 4px; }
.doc figure.shot figcaption a.open { font-size: 12px; margin-left: 6px; white-space: nowrap; }
.doc .figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 14px 0; }
.doc .figs figure.shot { margin: 0; }
.doc .figs figure.shot figcaption { font-size: 12.5px; }
.doc figure.shot.narrow { max-width: 520px; }
.doc .lesson-box { border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 10px 10px 0; padding: 10px 14px; margin: 12px 0; }
.doc .lesson-box > b:first-child { display: block; color: var(--accent); margin-bottom: 4px; }
.doc .obs { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 12px 0; background: var(--card2); }
.doc .obs > b:first-child::before { content: '👀 '; }