/* 다크: 보라 톤 제거된 블랙 + 황금 UI 액센트 + 화이트 텍스트 */
  html[data-theme="dark"]{
    --grad-from:#080808; --grad-to:#000; --bg:#000;
    --card:rgba(22,22,24,.58); --line:rgba(232,192,105,.18); --line2:rgba(255,255,255,.08);
    --fg:#ffffff; --sub:#bcbcbc; --mute:#888888;
    --gold:#e8c069; --royal:#6b8cff; --rose:#e07a9f; --teal:#6dd2c4; --plum:#b487e8;
    --grid-line:rgba(255,255,255,.08);
    --idea-bg:rgba(232,192,105,.05); --idea-fg:#e7d8a8;
    --tab-active-bg:linear-gradient(135deg,#1a1a1c,#08080a);
    --shadow-card:0 14px 30px rgba(0,0,0,.45);
    --glass-bg:rgba(14,14,16,.58); --glass-border:rgba(232,192,105,.22); --glass-shadow:0 10px 28px rgba(0,0,0,.5);
    /* UI 액센트 — 다크에서는 황금 */
    --ui-accent:#e8c069;
    --ui-accent-04:rgba(232,192,105,.04); --ui-accent-06:rgba(232,192,105,.06); --ui-accent-08:rgba(232,192,105,.08);
    --ui-accent-12:rgba(232,192,105,.12); --ui-accent-14:rgba(232,192,105,.14); --ui-accent-18:rgba(232,192,105,.18);
    --ui-accent-22:rgba(232,192,105,.22); --ui-accent-30:rgba(232,192,105,.30); --ui-accent-40:rgba(232,192,105,.40);
    --ui-accent-grad:linear-gradient(90deg,#e8c069,#f0a060);
    --ui-accent-on-grad:#1a1230;
    --modal-card-bg:rgba(18,18,22,.95);
  }
  /* 라이트: 화이트 + 진보라 UI 액센트 + 검정 텍스트 (황색 죽어보임 회피) */
  html[data-theme="light"]{
    --grad-from:#ffffff; --grad-to:#ffffff; --bg:#ffffff;
    --card:rgba(255,255,255,.62); --line:rgba(76,46,140,.40); --line2:rgba(0,0,0,.08);
    --fg:#0a0a0a; --sub:#525252; --mute:#888888;
    --gold:#a07820; --royal:#3a5dd0; --rose:#c54e7a; --teal:#2f8f7e; --plum:#7c4cb8;
    --grid-line:rgba(0,0,0,.08);
    --idea-bg:rgba(76,46,140,.06); --idea-fg:#3a1a6e;
    --tab-active-bg:linear-gradient(135deg,#ede4ff,#dccaff);
    --shadow-card:0 12px 26px rgba(40,20,80,.12);
    --glass-bg:rgba(255,255,255,.62); --glass-border:rgba(76,46,140,.30); --glass-shadow:0 10px 24px rgba(60,40,120,.10);
    /* UI 액센트 — 라이트에서는 진보라 */
    --ui-accent:#5a30a8;
    --ui-accent-04:rgba(76,46,140,.04); --ui-accent-06:rgba(76,46,140,.06); --ui-accent-08:rgba(76,46,140,.08);
    --ui-accent-12:rgba(76,46,140,.12); --ui-accent-14:rgba(76,46,140,.14); --ui-accent-18:rgba(76,46,140,.18);
    --ui-accent-22:rgba(76,46,140,.22); --ui-accent-30:rgba(76,46,140,.30); --ui-accent-40:rgba(76,46,140,.40);
    --ui-accent-grad:linear-gradient(90deg,#5a30a8,#7c4cb8);
    --ui-accent-on-grad:#ffffff;
    --modal-card-bg:rgba(255,255,255,.97);
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 20% -10%,var(--grad-from) 0%,var(--grad-to) 60%) fixed;color:var(--fg);font-family:'Pretendard','Apple SD Gothic Neo',system-ui,sans-serif;-webkit-font-smoothing:antialiased;transition:background .3s ease, color .3s ease}
  a{color:inherit}
  .wrap{max-width:1440px;margin:0 auto;padding:28px 32px 80px;position:relative}

  /* Header */
  .gh{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px}
  .gh h1{margin:0 0 6px;font-size:26px;letter-spacing:-.01em}
  .gh h1 .badge{display:inline-block;margin-left:10px;padding:3px 8px;border:1px solid var(--ui-accent);border-radius:999px;font-size:11px;color:var(--ui-accent);vertical-align:middle;letter-spacing:.04em}
  .gh p{margin:0;color:var(--sub);font-size:13px;line-height:1.7}
  .gh .meta{color:var(--mute);font-size:12px;text-align:right;white-space:nowrap}
  .gh .meta b{color:var(--ui-accent)}

  /* Tabs — sticky 글래스모피즘 (스크롤 시 상단에 고정) */
  .tabs{
    display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 22px;
    position:sticky;top:8px;z-index:40;
    padding:10px 12px;border-radius:14px;
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px) saturate(170%);
    backdrop-filter:blur(14px) saturate(170%);
    border:1px solid var(--glass-border);
    box-shadow:var(--glass-shadow);
  }
  .tab{appearance:none;cursor:pointer;background:var(--card);border:1px solid var(--line2);color:var(--fg);padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:-.01em;transition:all .15s ease}
  .tab:hover{border-color:var(--line);background:var(--ui-accent-06)}
  .tab.active{background:var(--tab-active-bg);border-color:var(--ui-accent);color:var(--fg);box-shadow:0 6px 18px var(--ui-accent-12)}
  .tab .n{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;background:rgba(255,255,255,.08);font-size:11px;color:var(--sub)}
  .tab.active .n{background:var(--ui-accent-22);color:var(--ui-accent)}

  /* Grid */
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .grid[data-tab]{display:none}
  .grid.show{display:grid}
  .card{position:relative;background:var(--card);-webkit-backdrop-filter:blur(12px) saturate(160%);backdrop-filter:blur(12px) saturate(160%);border:1px solid var(--line2);border-radius:16px;padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
  /* 부하 레벨 뱃지 — 카드 우측 상단 (CPU/GPU 부담 시각화) */
  .card .load{position:absolute;top:10px;right:12px;font-size:13px;line-height:1;pointer-events:auto;cursor:help;filter:saturate(140%);z-index:2}
  .card .load[data-lvl="low"]::after{content:"🟢"}
  .card .load[data-lvl="med"]::after{content:"🟠"}
  .card .load[data-lvl="high"]::after{content:"🔴"}
  .card:hover{transform:translateY(-2px);border-color:var(--line);box-shadow:var(--shadow-card)}
  .card.span2{grid-column:span 2}
  .card.span3{grid-column:1 / -1}
  .ctop{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .ctop h3{margin:0;font-size:15px;letter-spacing:-.01em}
  .ctop .lib{font-size:10px;padding:2px 7px;border-radius:6px;background:rgba(107,140,255,.12);color:var(--royal);border:1px solid rgba(107,140,255,.25);letter-spacing:.04em}
  .ctop .lib.gl{background:rgba(180,135,232,.14);color:var(--plum);border-color:rgba(180,135,232,.28)}
  .ctop .lib.svg{background:rgba(109,210,196,.12);color:var(--teal);border-color:rgba(109,210,196,.28)}
  .ctop .new{font-size:10px;padding:2px 7px;border-radius:6px;background:var(--ui-accent-grad);color:var(--ui-accent-on-grad);font-weight:700;letter-spacing:.04em}
  .ctop .wide{font-size:10px;padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.06);color:var(--sub);border:1px solid var(--line2)}
  /* 도식화패턴 메타 시그니처 chip — AI 브릿지용 type·cells 표식 */
  .ctop .schema-meta{font-size:10px;padding:2px 7px;border-radius:6px;background:rgba(180,135,232,.14);color:var(--plum);border:1px solid rgba(180,135,232,.32);letter-spacing:.02em;font-weight:500;cursor:help;white-space:nowrap}
  /* 도식화 패턴 카드의 "예시 보기" 버튼 — .idea 다음 자동 주입 */
  .example-btn{align-self:flex-start;font-size:11px;padding:5px 11px;border-radius:999px;border:1px solid var(--ui-accent-40);background:var(--ui-accent-08);color:var(--ui-accent);cursor:pointer;letter-spacing:.02em;font-weight:600;font-family:inherit;transition:all .15s ease}
  .example-btn:hover{background:var(--ui-accent-18);border-color:var(--ui-accent);transform:translateY(-1px)}

  /* 패턴 예시 모달 — body 직속, 명시 z-index로 backdrop/card 계층 분리, card 배경 강화로 가독성 보장 */
  .schema-modal{position:fixed;inset:0;z-index:9999;display:none;animation:schemaFade .2s ease}
  .schema-modal[aria-hidden="false"]{display:block}
  .schema-modal-backdrop{position:absolute;inset:0;z-index:1;background:rgba(0,0,0,.62);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
  /* 모달 카드 — backdrop과 시각적으로 분리되는 거의 불투명 배경 */
  .schema-modal-card{position:relative;z-index:2;max-width:680px;margin:6vh auto 0;padding:28px 32px 32px;background:var(--modal-card-bg);border:1px solid var(--ui-accent-40);border-radius:18px;max-height:84vh;overflow-y:auto;box-shadow:0 30px 80px rgba(0,0,0,.6), 0 0 0 1px var(--ui-accent-22)}
  .schema-modal-close{position:absolute;top:14px;right:18px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--line2);color:var(--sub);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}
  .schema-modal-close:hover{background:var(--ui-accent-14);color:var(--ui-accent);border-color:var(--ui-accent)}
  .schema-modal-card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em;padding-right:36px}
  .schema-modal-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;font-size:11px;color:var(--sub);align-items:center}
  .schema-modal-meta .schema-meta{font-size:11px}
  .schema-modal-body h4{margin:18px 0 8px;font-size:13px;color:var(--ui-accent);letter-spacing:.02em;font-weight:700}
  .schema-modal-body h4:first-child{margin-top:0}
  .schema-modal-body p{margin:0 0 10px;font-size:13px;color:var(--fg);line-height:1.7}
  .schema-modal-body ul{margin:0;padding-left:20px;font-size:12.5px;color:var(--fg);line-height:1.85}
  .schema-modal-body ul li{margin-bottom:4px}
  .schema-modal-body .related{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
  .schema-modal-body .related button{font-size:11px;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);color:var(--fg);cursor:pointer;font-family:inherit;transition:all .15s ease}
  .schema-modal-body .related button:hover{background:rgba(180,135,232,.16);border-color:var(--plum);color:var(--plum)}
  /* 시나리오 탭 (모달 상단) — 클릭 시 SVG 채움 + desc 변경 */
  .schema-modal-body .scenario-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:6px;background:rgba(255,255,255,.04);border-radius:10px;border:1px solid var(--line2)}
  .schema-modal-body .scenario-tab{font-size:11px;padding:6px 12px;border-radius:6px;border:1px solid transparent;background:transparent;color:var(--sub);cursor:pointer;font-family:inherit;font-weight:500;transition:all .15s ease;flex:1;min-width:80px;white-space:nowrap}
  .schema-modal-body .scenario-tab:hover{background:var(--ui-accent-06);color:var(--fg)}
  .schema-modal-body .scenario-tab.active{background:var(--ui-accent-14);border-color:var(--ui-accent-40);color:var(--ui-accent);font-weight:700}
  /* SVG 썸네일 — 시나리오 적용 도식 */
  .schema-modal-body .schema-thumb{margin:0 0 14px;padding:16px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--ui-accent-22)}
  .schema-modal-body .schema-thumb svg{display:block;max-height:240px;width:100%}
  /* 시나리오 설명 (2-3줄) */
  .schema-modal-body .scenario-desc{margin:0 0 12px;padding:10px 14px;border-radius:8px;background:var(--ui-accent-06);border-left:3px solid var(--ui-accent);font-size:13px;color:var(--fg);line-height:1.6;font-weight:500}
  .schema-modal-body .scenario-why{margin:0 0 14px;font-size:12px;color:var(--sub);line-height:1.6}
  @keyframes schemaFade{from{opacity:0}to{opacity:1}}

  /* 도식화 패턴 검색·필터 바 (schemas 탭 상단) */
  .schema-filter-bar{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 16px;border-radius:14px;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px) saturate(160%);backdrop-filter:blur(12px) saturate(160%);border:1px solid var(--glass-border);font-size:12px}
  .schema-filter-bar .schema-search{flex:1;min-width:180px;padding:7px 14px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);color:var(--fg);font-size:12.5px;font-family:inherit;outline:none;transition:border-color .15s ease}
  .schema-filter-bar .schema-search:focus{border-color:var(--ui-accent);background:var(--ui-accent-06)}
  .schema-filter-bar .filter-group{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
  .schema-filter-bar .filter-label{color:var(--sub);font-size:10px;letter-spacing:.06em;margin-right:4px;font-weight:700}
  .schema-filter-bar .filter-chip{font-size:11px;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);color:var(--sub);cursor:pointer;font-family:inherit;transition:all .12s ease;white-space:nowrap}
  .schema-filter-bar .filter-chip:hover{color:var(--fg);border-color:var(--line)}
  .schema-filter-bar .filter-chip.active{background:var(--ui-accent-18);border-color:var(--ui-accent);color:var(--ui-accent);font-weight:600}
  .schema-filter-bar .filter-reset{font-size:11px;padding:4px 12px;border-radius:999px;border:1px solid rgba(224,122,159,.4);background:rgba(224,122,159,.08);color:var(--rose);cursor:pointer;font-family:inherit;font-weight:500}
  .schema-filter-bar .filter-reset:hover{background:rgba(224,122,159,.18);border-color:var(--rose)}
  .schema-filter-bar .filter-count{color:var(--sub);font-size:11px;margin-left:auto}

  .chart{width:100%;height:240px}
  .card.span2 .chart{height:280px}
  .card.span3 .chart{height:320px}
  .card.span3 .chart.tall{height:380px}

  .desc{font-size:12px;color:var(--sub);line-height:1.6;margin:0}
  .idea{margin:0;padding:8px 10px;border-left:2px solid var(--ui-accent);background:var(--idea-bg);font-size:11.5px;color:var(--idea-fg);line-height:1.6;border-radius:0 8px 8px 0}

  /* Theme toggle */
  .theme-toggle{position:absolute;top:20px;right:32px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);transition:transform .25s ease, border-color .2s ease, box-shadow .2s ease;z-index:50}
  .theme-toggle:hover{border-color:var(--ui-accent);transform:rotate(20deg) scale(1.06);box-shadow:0 6px 18px var(--ui-accent-18)}
  .theme-toggle:active{transform:rotate(40deg) scale(.96)}
  .idea b{color:var(--ui-accent);font-weight:600}

  /* Section heading inside grid */
  .sect{grid-column:1 / -1;display:flex;align-items:center;gap:12px;margin:6px 0 -6px}
  .sect h2{margin:0;font-size:14px;color:var(--ui-accent);letter-spacing:.04em}
  .sect .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}

  @media (max-width:1180px){
    .grid{grid-template-columns:repeat(2,1fr)}
    .card.span2,.card.span3{grid-column:1 / -1}
    .wrap{padding:24px 22px 60px}
  }
  @media (max-width:760px){
    .grid{grid-template-columns:1fr;gap:14px}
    .card.span2,.card.span3{grid-column:auto}
    .wrap{padding:18px 14px 48px}
    .gh{flex-direction:column;align-items:flex-start;gap:10px;padding-bottom:14px;margin-bottom:14px}
    .gh .meta{text-align:left;white-space:normal;font-size:11.5px}
    .gh h1{font-size:22px}
    .tabs{gap:6px;margin:4px 0 14px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px}
    .tabs::-webkit-scrollbar{height:0}
    .tab{padding:8px 12px;font-size:12px;flex-shrink:0}
    .card{padding:14px 14px 12px;border-radius:14px;gap:8px}
    .ctop h3{font-size:14px}
    .chart,.card.span2 .chart,.card.span3 .chart{height:220px}
    .card.span3 .chart.tall{height:260px}
    .desc{font-size:11.5px}
    .idea{font-size:11px;padding:7px 9px}
    .theme-toggle{top:14px;right:14px;width:40px;height:40px;font-size:17px}
  }
  @media (max-width:420px){
    .wrap{padding:14px 10px 40px}
    .chart,.card.span2 .chart,.card.span3 .chart{height:200px}
    .gh h1{font-size:20px}
    .gh h1 .badge{display:inline-block;margin-left:6px;font-size:10px;padding:2px 6px}
  }