/* 시안 정본: docs/mockup/ui-mockup.html (라이트) */
:root {
  --bg: #f2f4f8; --panel: #fff; --panel2: #f5f7fa; --line: #dfe4ec;
  --text: #1c2430; --dim: #6b7686;
  --accent: #3b74e8; --accent2: #2f63cf;
  --ok: #1f9d55; --warn: #b47d16; --err: #cf4444;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: "Pretendard Variable", Pretendard, "Segoe UI", "맑은 고딕", sans-serif;
  padding: 40px 16px 80px; min-height: 100vh;
}
button { font: inherit; cursor: pointer; }

.app {
  max-width: 860px; margin: 0 auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 12px 40px rgba(30,50,90,.10);
}
.hdr { display: flex; align-items: center; gap: 12px; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, #4f8cff, #7a5cff);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: #fff; letter-spacing: -2px; font-weight: 800;
}
.hdr .t { font-size: 17px; font-weight: 700; }
.hdr .t small { display: block; font-size: 12px; color: var(--dim); font-weight: 400; margin-top: 1px; }
.hdr .spacer { flex: 1; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; font-size: 12px; }
.lang button { padding: 6px 12px; color: var(--dim); background: none; border: none; }
.lang button.on { background: var(--panel2); color: var(--text); font-weight: 600; }

.body { padding: 24px; }

.drop {
  border: 2px dashed #b9c4d4; border-radius: var(--radius);
  padding: 16px; text-align: center; background: rgba(59,116,232,.04);
  transition: border-color .15s, background .15s;
}
.drop.hover { border-color: var(--accent); background: rgba(59,116,232,.09); }
.drop .m { font-size: 15px; font-weight: 600; }
.drop .btn { margin-left: 10px; }

.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px;
  background: var(--accent); color: #fff; border: none; border-radius: 9px;
  font-size: 13.5px; font-weight: 600; text-decoration: none;
}
.btn:hover { background: var(--accent2); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.ghost:hover { background: var(--panel2); }
.btn.big { padding: 13px 34px; font-size: 15px; border-radius: 11px; }
.btn.ok { background: var(--ok); }
.btn.ok:hover { background: #1a8748; }
.btn:disabled { opacity: .38; cursor: default; }
.btn:disabled:hover { background: var(--accent); }

.row { display: flex; align-items: center; gap: 12px; margin: 20px 0 14px; flex-wrap: wrap; }
.seg { display: flex; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; font-size: 13px; }
.seg button { padding: 8px 16px; color: var(--dim); background: none; border: none; }
.seg button.on { background: var(--accent); color: #fff; font-weight: 600; }
.row .right { margin-left: auto; font-size: 12.5px; color: var(--dim); }
.row .right b { color: var(--text); }
.gear { color: var(--dim); font-size: 16px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: none; }
.gear:hover { background: var(--panel2); }

.panel { background: var(--panel2); border: 1px solid var(--line); border-radius: 11px; padding: 16px 18px; margin-bottom: 14px; }
.panel-t { font-size: 12px; font-weight: 700; color: var(--dim); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 10px; }
.opt { display: block; font-size: 13.5px; margin: 8px 0; cursor: pointer; }
.opt small { display: block; margin: 3px 0 0 22px; color: var(--dim); font-size: 12px; }
.opt input { margin-right: 6px; accent-color: var(--accent); }

.core-note { margin: 0 0 14px; padding: 10px 16px; border-radius: 9px; font-size: 12.5px;
  background: rgba(59,116,232,.07); color: var(--accent2); }
.core-note.err { background: rgba(207,68,68,.08); color: var(--err); }
.core-note .btn { margin-left: 10px; padding: 4px 12px; font-size: 12px; }

.files { display: flex; flex-direction: column; gap: 8px; }
.file {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 11px; padding: 10px 14px;
}
.file .thumb {
  width: 64px; height: 40px; border-radius: 6px; flex-shrink: 0;
  background: linear-gradient(135deg,#dbe4f0,#c8d4e4);
  display: flex; align-items: center; justify-content: center; font-size: 16px; color: #7b8aa0;
}
.file .thumb.vert { width: 26px; height: 44px; }
.file .info { flex: 1; min-width: 0; }
.file .name { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file .name .ex { color: var(--warn); font-size: 12px; font-weight: 400; }
.file .meta { font-size: 12px; color: var(--dim); margin-top: 3px; }
.file .meta .tag {
  display: inline-block; padding: 1px 7px; border-radius: 5px;
  background: rgba(59,116,232,.10); color: var(--accent2); font-size: 11px; margin-right: 6px;
}
.file .meta .tag.warn { background: rgba(180,125,22,.12); color: var(--warn); }
.file .ctrl { display: flex; gap: 4px; }
.file .ctrl button {
  padding: 5px 8px; border-radius: 6px; background: rgba(20,40,80,.05);
  border: none; color: var(--dim); font-size: 13px;
}
.file .ctrl button:hover { background: rgba(20,40,80,.12); color: var(--text); }
.file.excluded { opacity: .38; }
.file.error { border-color: rgba(207,68,68,.4); }
.file.error .meta { color: var(--err); }

.summary {
  margin-top: 18px; padding: 14px 18px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 11px;
  font-size: 13px; color: var(--dim); line-height: 1.7;
}
.summary b { color: var(--text); }
.summary .fast { color: var(--ok); font-weight: 600; }
.summary .re { color: var(--warn); font-weight: 600; }
.summary .warnbig { color: var(--err); font-weight: 600; }
.actions { margin-top: 18px; display: flex; justify-content: center; }

.prog { margin-top: 8px; }
.steps { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.step {
  flex: 1; min-width: 140px; padding: 9px 12px; border-radius: 9px; font-size: 12.5px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--dim);
  display: flex; align-items: center; gap: 7px; white-space: nowrap; overflow: hidden;
}
.step.done { color: var(--ok); border-color: rgba(31,157,85,.35); }
.step.now { color: var(--text); border-color: var(--accent); background: rgba(59,116,232,.07); }
.bar-wrap { display: flex; align-items: center; gap: 14px; }
.bar { flex: 1; height: 10px; border-radius: 5px; background: #e2e7ef; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 5px; transition: width .3s;
  background: linear-gradient(90deg, var(--accent), #7a5cff); }
.pct { font-size: 15px; font-weight: 700; width: 52px; text-align: right; }
.eta { text-align: center; color: var(--dim); font-size: 12.5px; margin-top: 10px; }

.done-box { text-align: center; padding: 34px 20px 10px; }
.big-ico {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
  background: rgba(31,157,85,.10); border: 1px solid rgba(31,157,85,.35);
  display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--ok);
}
.done-box h3 { font-size: 18px; margin-bottom: 6px; }
.done-box p { color: var(--dim); font-size: 13px; margin-bottom: 20px; }

@media (max-width: 560px) {
  body { padding: 12px 8px 40px; }
  .body { padding: 16px; }
  .row .right { margin-left: 0; width: 100%; }
}