:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#1c7ed6; /* 바다 파랑 */
  --accent-ink:#1864ab;
  --accent-soft:#e7f1fc;
  --danger:#c92a2a;
  --stage:#ecebe6; --stage-dot:#dcdad3;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.mono{font-family:var(--mono)}
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em;margin:0}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,transform .1s}
.btn:hover:not(:disabled){background:var(--hover)}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:default}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover:not(:disabled){background:var(--ink-hover)}
.btn--accent{background:var(--accent);color:#fff;border:none;font-weight:500}
.btn--accent:hover:not(:disabled){background:var(--accent-ink)}
.btn--lg{height:46px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--small{height:30px;padding:0 11px;font-size:12px}
.btn--danger{color:var(--danger)}
.btn[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink)}
.text-input{height:40px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:10px;font-size:14px;color:var(--ink);width:100%;min-width:0}
.text-input--sm{height:34px;width:auto;font-size:13px}
.text-input:focus,.select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.select{height:38px;padding:0 30px 0 12px;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%237a776f' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 12px center;border:1px solid var(--line-2);border-radius:10px;font-size:13px;-webkit-appearance:none;appearance:none;width:100%;min-width:0;cursor:pointer}
.select--sm{height:34px;width:auto;flex:1 1 140px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:640px){ .topbar{padding:14px 16px} }


.wv{flex:1;width:100%;max-width:1360px;margin:0 auto;padding:24px 28px 40px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
.preview{display:flex;flex-direction:column;gap:12px;min-width:0;position:sticky;top:12px}
.pv-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.meta{font-size:12px;color:var(--muted)}
.pv-box{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.mock{background:#fff;color:#1c1c1a;font-family:var(--font)}
.mock-nav{display:flex;align-items:center;gap:16px;height:44px;padding:0 22px;background:var(--mock-top,#fff);border-bottom:1px solid rgba(0,0,0,.05)}
.mock-logo{width:22px;height:22px;border-radius:7px;background:var(--mock-accent,#1c7ed6)}
.mock-links{display:flex;gap:12px;flex:1}
.mock-links i{display:block;width:38px;height:6px;border-radius:4px;background:var(--mock-ink,#1c1c1a);opacity:.18}
.mock-cta{width:64px;height:22px;border-radius:999px;background:var(--mock-ink,#1c1c1a);opacity:.85}
.mock-sec{position:relative}
.mock-top{background:var(--mock-top,#fff);padding:34px 28px 18px;background-size:100% 100%;background-repeat:no-repeat}
.mock-hero{display:flex;flex-direction:column;gap:10px;max-width:420px}
.mock-eyebrow{width:70px;height:7px;border-radius:4px;background:var(--mock-accent,#1c7ed6);opacity:.8}
.mock-h{height:20px;width:88%;border-radius:6px;background:var(--mock-ink,#1c1c1a);opacity:.85}
.mock-h--short{width:58%}
.mock-p{height:8px;width:80%;border-radius:4px;background:var(--mock-ink,#1c1c1a);opacity:.25;margin-top:4px}
.mock-p--short{width:52%;margin-top:0}
.mock-btn{width:110px;height:30px;border-radius:999px;background:var(--mock-accent,#1c7ed6);margin-top:8px}
.mock-wave{line-height:0}
.mock-wave svg{display:block;width:100%}
.mock-bottom{background:var(--mock-bottom,#1c7ed6);padding:12px 28px 34px}
.mock-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mock-cards i{display:block;height:74px;border-radius:12px;background:rgba(255,255,255,.75);box-shadow:0 4px 14px rgba(0,0,0,.06)}
.mock.is-bg .mock-top{min-height:300px;display:flex;align-items:center}
.mock.is-bg .mock-hero{width:100%}
.mock.is-bg .mock-wave,.mock.is-bg .mock-bottom{display:none}
.mock.is-top .mock-bottom{padding-top:34px}
.raw{display:flex;align-items:center;justify-content:center;padding:24px;min-height:260px;background-color:#fff;background-image:linear-gradient(45deg,#eceae5 25%,transparent 25%,transparent 75%,#eceae5 75%),linear-gradient(45deg,#eceae5 25%,transparent 25%,transparent 75%,#eceae5 75%);background-size:20px 20px;background-position:0 0,10px 10px}
.raw svg{display:block;max-width:100%;max-height:60vh;height:auto;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.code{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px}
.code-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.code-area{width:100%;min-height:118px;resize:vertical;padding:12px;border:1px solid var(--line-2);border-radius:10px;background:var(--panel-soft);color:var(--ink-2);font-family:var(--mono);font-size:11.5px;line-height:1.55;word-break:break-all}
.code-area:focus{outline:none;border-color:var(--accent)}
.export{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.seg--sm .seg-btn{height:28px;padding:0 10px}
.panel{display:flex;flex-direction:column;gap:12px;min-width:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card-title{font-size:14px;font-weight:700}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0}
.row--wrap{flex-wrap:wrap;justify-content:space-between}
.row-label{font-size:13px;color:var(--ink-2);white-space:nowrap}
.field{display:flex;flex-direction:column;gap:6px}
.field-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;color:var(--ink-2)}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px;min-width:0}
.seg-btn{flex:1;height:30px;padding:0 10px;background:transparent;color:var(--sub);border:none;border-radius:999px;font-size:12.5px;cursor:pointer;white-space:nowrap}
.seg-btn:hover:not(:disabled){color:var(--ink)}
.seg-btn:disabled{opacity:.35;cursor:not-allowed}
.seg-btn.is-active{background:var(--panel);color:var(--ink);font-weight:500;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.types{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.type{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 6px 8px;border:1px solid var(--line);border-radius:12px;background:var(--panel-soft);cursor:pointer;color:var(--ink-2);font-size:12px;min-width:0}
.type svg{width:100%;max-width:64px;height:36px;color:var(--muted)}
.type[aria-checked="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink);font-weight:700;box-shadow:0 0 0 1px var(--accent)}
.type[aria-checked="true"] svg{color:var(--accent)}
.wh{display:flex;align-items:flex-end;gap:8px}
.wh-f{display:flex;flex-direction:column;gap:4px;flex:1;font-size:12px;color:var(--sub);min-width:0}
.wh-f .text-input{font-family:var(--mono)}
.wh-x{padding-bottom:10px;color:var(--muted)}
.seed{display:flex;gap:6px;align-items:center}
.seed .text-input{width:110px}
.btn--icon{width:36px;padding:0}
.palettes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.pal{height:34px;border-radius:10px;border:1px solid rgba(0,0,0,.08);cursor:pointer;padding:0}
.pal[aria-checked="true"]{box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--accent)}
.row--colors{justify-content:flex-start}
.color-f{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer}
.color-f input{width:44px;height:34px;padding:0;border:1px solid var(--line-2);border-radius:9px;background:none;cursor:pointer}
.color-f--inline input{width:34px;height:30px}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer;user-select:none}
.switch input{appearance:none;-webkit-appearance:none;width:34px;height:20px;border-radius:999px;background:var(--track);position:relative;cursor:pointer;margin:0;flex:none;transition:background .2s}
.switch input::after{content:"";position:absolute;left:2px;top:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked{background:var(--accent)}
.switch input:checked::after{transform:translateX(14px)}
.switch input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.dirs{display:flex;gap:6px;flex-wrap:wrap}
.note{margin:0;font-size:12px;color:var(--sub);line-height:1.6}
input[type=range]{width:100%;accent-color:var(--accent)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:300;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}


@media (max-width:980px){
  .wv{grid-template-columns:minmax(0,1fr);padding:16px 16px 32px}
  .preview{position:static}
}
@media (max-width:520px){
  .mock-top{padding:22px 16px 12px}
  .mock-bottom{padding:10px 16px 22px}
  .mock-cards i{height:52px}
  .mock-nav{padding:0 14px}
  .mock-links i{width:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#121418; --surface:#181b20; --panel:#1d2026; --panel-soft:#23272e;
    --ink:#eaedf2; --ink-hover:#ffffff; --ink-2:#c5cad3; --sub:#9aa1ad; --muted:#858c98;
    --line:#2b2f37; --line-2:#363b45; --line-3:#24282e; --hover:#282c34; --soft:#252930; --track:#363b45;
    --accent:#4dabf7; --accent-ink:#74c0fc; --accent-soft:rgba(77,171,247,.15);
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .seg-btn.is-active{background:var(--line-2);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239aa1ad' stroke-width='1.5'/%3E%3C/svg%3E")}
  :root[data-theme="dark"] .raw{background-color:#262a31;background-image:linear-gradient(45deg,#2f343c 25%,transparent 25%,transparent 75%,#2f343c 75%),linear-gradient(45deg,#2f343c 25%,transparent 25%,transparent 75%,#2f343c 75%)}
  :root[data-theme="dark"] .pal{border-color:rgba(255,255,255,.1)}
  :root[data-theme="dark"] .btn--solid{background:var(--accent);color:var(--bg)}
  :root[data-theme="dark"] .btn--solid:hover:not(:disabled){background:var(--accent-ink)}
  :root[data-theme="dark"] .tb-presets button[aria-pressed="true"]{color:var(--bg)}
}