:root {
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f6f7f9;
  --card: #ffffff;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --ok: #15803d;
  --err: #b91c1c;
  --radius: 10px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.top { padding: 28px 0 8px; }
.top h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.02em; }
.top h1 .dot { color: var(--accent); }
.tagline { margin: 4px 0 0; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

label { display: block; margin-bottom: 8px; }

textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font: inherit;
  resize: vertical;
  min-height: 180px;
}
textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }

.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.spacer { flex: 1; }
.muted { color: var(--muted); font-size: 0.9rem; }

button {
  font: inherit;
  border-radius: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--card);
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.primary:not(:disabled):hover { filter: brightness(1.08); }
button.ghost:hover { border-color: var(--ink); }

.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--accent); transition: width 0.6s ease; }

.progress p { margin: 10px 0 0; }

.toolbar { margin-top: 0; }
.output article { margin-top: 14px; }

.error { border-color: #fecaca; background: #fef2f2; }
.error p { color: var(--err); margin-top: 0; }

/* Markdown keluaran */
.output article h1 { font-size: 1.35rem; margin: 0.4em 0; }
.output article h2 { font-size: 1.12rem; margin: 1.2em 0 0.4em; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.output article h3 { font-size: 1rem; margin: 1em 0 0.3em; }
.output article p { margin: 0.5em 0; }
.output article table { border-collapse: collapse; width: 100%; margin: 0.8em 0; font-size: 0.88rem; }
.output article th, .output article td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.output article th { background: #f3f4f6; }
.output article ol, .output article ul { padding-left: 1.4em; }
.output article strong { font-weight: 600; }

footer { padding: 8px 0 32px; }

/* Unggah file + tab bagian */
.file-row { margin: 0 0 10px; }
#parse-status { flex: 1; min-width: 200px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 4px; }
.tab { padding: 6px 14px; font-size: 0.9rem; border-radius: 99px; background: var(--bg); }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); font-weight: 600; }

/* Unduhan per bagian */
.dl-row { margin-top: 8px; }
.dl-row button { padding: 6px 12px; font-size: 0.9rem; }
.dl-row button:not(:disabled):hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 560px) {
  .top h1 { font-size: 1.35rem; }
  .card { padding: 16px; }
}