:root {
  --sub: var(--text2);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Noto Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  font-size: 14px; line-height: 1.5;
}

/* topbar */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.tb-left { display: flex; align-items: center; gap: 10px; }
.home-link { display: flex; align-items: center; gap: 5px; color: var(--sub); text-decoration: none; font-size: 13px; }
.home-link:hover { color: var(--text); }
.sep { width: 1px; height: 18px; background: var(--border); }
.logo { font-weight: 700; font-size: 15px; }
.tbtn { background: var(--panel2); border: 1px solid var(--border); color: var(--text); border-radius: 7px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
.tbtn:hover { border-color: var(--accent); }

/* layout */
.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
.hidden { display: none !important; }
.spacer { flex: 1; }

/* dropzone */
.dropzone {
  border: 2px dashed var(--border); border-radius: 14px; padding: 46px 20px;
  text-align: center; background: var(--panel); transition: .15s; cursor: pointer;
}
.dropzone:hover { border-color: #475160; }
.dropzone.drag { border-color: var(--accent); background: var(--panel2); }
.dz-icon { font-size: 30px; letter-spacing: 4px; }
.dz-title { font-size: 18px; font-weight: 700; margin: 12px 0 4px; }
.dz-sub { color: var(--sub); font-size: 13px; margin: 0 0 16px; }

/* buttons */
.btn-primary {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 9px 18px; font-size: 14px; font-weight: 700; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; filter: none; }

/* controls */
.controls { margin-top: 16px; }
.ctrl-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}
.load-info { font-size: 13px; color: var(--sub); }
.ctrl-row label { font-size: 13px; color: var(--sub); display: flex; align-items: center; gap: 6px; }
select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 13px; }
input[type="text"], input[type="url"] { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 13px; width: 100%; max-width: 280px; }

/* progress */
.progress { margin-top: 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.pbar { height: 10px; background: var(--bg); border-radius: 6px; overflow: hidden; }
.pbar-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .3s; }
.p-text { font-size: 13px; margin-top: 8px; }
.key-states { font-size: 12px; color: var(--sub); margin-top: 5px; display: flex; gap: 10px; flex-wrap: wrap; }

/* results */
.result-bar { display: flex; align-items: center; margin-top: 18px; gap: 12px; }
.result-bar #resultInfo { font-size: 14px; font-weight: 700; }
.results { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 14px; }
.rcard { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.rcard img, .rcard canvas { width: 100%; display: block; background: #fff; }
.rcard .rcap { font-size: 11px; color: var(--sub); padding: 5px 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rcard.err { border-color: var(--danger); }

.note { color: var(--sub); font-size: 12px; margin-top: 26px; line-height: 1.6; }

@media (max-width: 560px) {
  .ctrl-row { gap: 10px; }
  .results { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}