/* 종이접기 교실 — 앱 전용 스타일 (색은 공용 테마 변수) */

.topbar h1{color:var(--ink)}
.eyebrow{color:var(--primary)}
.hidden{display:none !important}
.chip{background:var(--sage-soft); color:var(--ink); border-color:transparent}

.hint-bar{
  background:var(--paper-2); border:1px solid var(--line); border-radius:12px;
  padding:12px 16px; font-size:13px; color:var(--ink); margin-bottom:20px; line-height:1.7;
}
.mini{
  background:var(--paper-2); border:1px solid var(--line); color:var(--ink-soft);
  border-radius:9px; padding:6px 12px; font:inherit; font-size:12.5px; cursor:pointer; transition:.14s;
}
.mini:hover{border-color:var(--primary); color:var(--ink)}

/* ── 난이도 구역 · 작품 카드 ─────────────────────── */
.level-block{margin-bottom:26px}
.level-head{display:flex; align-items:center; gap:9px; margin-bottom:12px}
.level-head h2{font-size:16px; color:var(--ink)}
.level-head .lv-tag{
  font-size:11.5px; font-weight:700; border-radius:999px; padding:3px 11px;
  background:var(--sage-soft); color:var(--ink);
}
.model-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:12px}
.model-card{
  background:var(--paper); border:1px solid var(--line); border-radius:16px;
  padding:18px 16px 14px; cursor:pointer; font:inherit; text-align:center;
  transition:.15s; position:relative; box-shadow:var(--shadow);
}
.model-card:hover{transform:translateY(-3px); border-color:var(--primary)}
.model-card .m-ico{font-size:2.2rem; display:block; margin-bottom:8px}
.model-card .m-name{font-size:15px; font-weight:700; color:var(--ink)}
.model-card .m-steps{font-size:12px; color:var(--ink-soft); margin-top:4px}
.model-card .m-done{
  position:absolute; top:10px; right:12px; font-size:15px;
}
.model-card .m-progress{
  height:5px; border-radius:99px; background:var(--line-soft); margin-top:10px; overflow:hidden;
}
.model-card .m-progress i{display:block; height:100%; background:var(--sage); border-radius:99px}

/* ── 접기 화면 ────────────────────────────────────── */
.fold-panel{max-width:660px; margin:0 auto}
.fold-head{display:flex; align-items:center; gap:12px; margin-bottom:12px}
.fold-name{font-size:16px; font-weight:700; color:var(--ink); flex:1; text-align:center}
.fold-step{font-family:'Space Grotesk',sans-serif; font-size:14px; color:var(--primary); font-weight:700}

.step-dots{display:flex; gap:5px; justify-content:center; margin-bottom:14px}
.step-dots i{
  width:9px; height:9px; border-radius:50%; background:var(--line);
  transition:.2s; cursor:pointer;
}
.step-dots i.past{background:var(--sage)}
.step-dots i.now{background:var(--primary); transform:scale(1.35)}

.diagram{
  background:#FDFBF4; border:1px solid var(--line-soft); border-radius:18px;
  padding:10px; display:flex; justify-content:center;
}
.diagram svg{width:min(100%,420px); height:auto; display:block}

/* 도해 그리기 약속 — 종이 앞면(--pf)·뒷면(--pb)은 작품마다 다르게 */
.diagram .pp{fill:var(--pf,#FFE9C7); stroke:#B99B72; stroke-width:1.6; stroke-linejoin:round}
.diagram .pb{fill:var(--pb,#EFD3A1); stroke:#B99B72; stroke-width:1.6; stroke-linejoin:round}
.diagram .fl{stroke:#D0654F; stroke-width:2.6; stroke-dasharray:7 5; fill:none; stroke-linecap:round}
.diagram .cr{stroke:#C2A87E; stroke-width:1.3; stroke-dasharray:3 4; fill:none}
.diagram .arr{stroke:#D0654F; stroke-width:3; fill:none; stroke-linecap:round}
.diagram .ink{fill:#5A4632}
.diagram .lbl{font:700 12px 'Noto Sans KR',sans-serif; fill:#A98F68}

.fold-text{
  font-size:clamp(15px,2.2vw,18px); line-height:1.75; color:var(--ink);
  text-align:center; margin:16px 8px 4px; min-height:3.2em;
}
.fold-text b{color:var(--primary)}
.fold-nav{display:flex; gap:10px; justify-content:center; margin-top:14px}
.fold-nav .btn.xl{min-width:160px}

/* 완성 축하 */
.cheer{
  position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center;
  background:rgba(40,30,15,.42); backdrop-filter:blur(3px);
}
.cheer-inner{
  background:var(--paper); border:1px solid var(--line); border-radius:22px;
  padding:34px 40px; text-align:center; box-shadow:var(--shadow); max-width:340px;
  animation:pop-in .35s ease;
}
@keyframes pop-in{0%{transform:scale(.7); opacity:0}100%{transform:scale(1); opacity:1}}
.cheer-inner .big{font-size:3rem; margin-bottom:10px}
.cheer-inner h2{font-family:'Gowun Dodum',sans-serif; font-weight:400; font-size:1.5rem; margin-bottom:8px; color:var(--ink)}
.cheer-inner p{font-size:13.5px; color:var(--ink-soft); line-height:1.7; margin-bottom:18px}
.cheer-inner .btn{margin:0 4px}

.toast{
  position:fixed; left:50%; bottom:30px; transform:translateX(-50%); z-index:120;
  background:var(--ink); color:var(--paper); border:1px solid var(--line);
  padding:11px 20px; border-radius:12px; font-size:14px;
  opacity:0; transition:opacity .2s; pointer-events:none;
}
.toast.show{opacity:1}