:root {
  --bg: #0e1116;
  --fg: #e6e6e6;
  --muted: #8b95a3;
  --accent: #4f8cff;
  --accent-fg: #ffffff;
  --field-bg: #1a1f29;
  --border: #2a3140;
  --ok: #2bb673;
  --bad: #e15a5a;
  --chip: #283041;
  --chip-on: #4f8cff;
}
* { box-sizing: border-box; }
html, body {
  background: var(--bg); color: var(--fg); margin: 0;
  font-family: -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
}
main { max-width: 720px; margin: 4rem auto 3rem; padding: 0 1.5rem; }
h1 { margin: 0 0 0.25rem; }
.lead { color: var(--muted); margin-top: 0; }
.foot { color: var(--muted); font-size: 0.85rem; margin-top: 3rem; text-align: center; }

.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field > span { font-size: 0.9rem; color: var(--muted); }
.field small { font-weight: normal; color: var(--muted); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 540px) { .row { grid-template-columns: 1fr; } }

input[type="text"], select {
  background: var(--field-bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.7rem 0.9rem; font-size: 1rem;
}
input[type="text"]:focus, select:focus { outline: none; border-color: var(--accent); }
#tag-input { margin-top: 0.4rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; min-height: 2rem; }
.chip {
  background: var(--chip); color: var(--fg); padding: 0.4rem 0.75rem;
  border-radius: 999px; cursor: pointer; user-select: none;
  border: 1px solid transparent; font-size: 0.9rem;
}
.chip.on { background: var(--chip-on); color: var(--accent-fg); }
.chip .x { margin-left: 0.4rem; opacity: 0.6; }
.chip:hover { border-color: var(--accent); }

.file-drop {
  border: 2px dashed var(--border); border-radius: 12px; padding: 1.4rem;
  cursor: pointer; background: var(--field-bg);
}
.file-drop.dragover { border-color: var(--accent); background: rgba(79, 140, 255, 0.08); }
.file-drop input[type="file"] { display: block; margin-top: 0.6rem; color: var(--fg); }
.file-hint { display: block; color: var(--muted); margin-top: 0.5rem; font-size: 0.85rem; }

.actions { display: flex; align-items: center; gap: 1rem; margin-top: 0.5rem; }
button {
  background: var(--accent); color: var(--accent-fg); border: none;
  border-radius: 8px; padding: 0.7rem 1.4rem; font-size: 1rem; cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: not-allowed; }

.progress {
  flex: 1; height: 26px; background: var(--field-bg); border-radius: 12px;
  position: relative; overflow: hidden; border: 1px solid var(--border);
}
#bar { height: 100%; background: var(--accent); width: 0%; transition: width 0.2s; }
#pct {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
}
.hidden { display: none !important; }

.result { margin-top: 1rem; padding: 1rem; border-radius: 8px; font-size: 0.95rem; }
.result.ok { background: rgba(43, 182, 115, 0.12); border: 1px solid var(--ok); }
.result.bad { background: rgba(225, 90, 90, 0.12); border: 1px solid var(--bad); }