:root {
  --blue: #2a5bd7;
  --blue-dark: #1e46ad;
  --ink: #1b1b1b;
  --muted: #666;
  --line: #e3e3e3;
  --bg: #fff;
  --bg-soft: #f4f4f4;
  --green: #2f9e44;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--blue); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* header */
header {
  border-bottom: 3px solid var(--blue);
}
header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-size: 26px; font-weight: 700; letter-spacing: -0.5px;
  color: var(--blue); text-decoration: none; display: flex; align-items: center; gap: 8px;
}
.brand svg { width: 28px; height: 28px; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--blue); }

/* hero */
.hero { background: var(--bg-soft); padding: 30px 0 26px; }
.hero h1 { font-size: 26px; font-weight: 600; margin: 0 0 4px; letter-spacing: -0.3px; }
.hero p { margin: 0; color: var(--muted); font-size: 15px; }
.hero .cols { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; }
.hero h2 { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.hero .how { font-size: 14px; color: #444; }
.hero .how ol { margin: 6px 0 0; padding-left: 20px; }
.hero .how li { margin: 3px 0; }

/* picker */
.step { text-align: center; font-size: 26px; font-weight: 600; margin: 28px 0 14px; }
.step small { display: block; font-size: 14px; font-weight: 400; color: var(--muted); margin-top: 2px; }
.toolbar { display: flex; gap: 10px; justify-content: center; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar input[type=search] {
  font: inherit; padding: 7px 12px; border: 1px solid #ccc; border-radius: 6px; width: 280px; max-width: 100%;
}
.toolbar button.link { background: none; border: 0; color: var(--blue); cursor: pointer; font: inherit; padding: 4px; }

.grid {
  columns: 6 170px;
  column-gap: 28px;
}
.cat { break-inside: avoid; margin-bottom: 22px; }
.cat h3 { font-size: 20px; font-weight: 600; margin: 0 0 6px; }
.app {
  display: flex; align-items: center; gap: 7px;
  padding: 3px 0; cursor: pointer; user-select: none; -webkit-user-select: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.app input { margin: 0; width: 15px; height: 15px; flex: none; accent-color: var(--blue); }
.app .ic { width: 20px; height: 20px; border-radius: 5px; flex: none; background: var(--bg-soft); object-fit: cover; }
.app .nm { overflow: hidden; text-overflow: ellipsis; }
.app.hide { display: none; }
.cat.empty { display: none; }

/* sticky action bar */
.bar {
  position: sticky; bottom: 0; z-index: 5;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  margin-top: 20px;
}
.bar .wrap {
  display: flex; align-items: center; gap: 16px; justify-content: center;
  padding: 12px 20px; flex-wrap: wrap;
}
.bar .count { color: var(--muted); }
.btn {
  display: inline-block; background: var(--blue); color: #fff; border: 0; border-radius: 8px;
  font: inherit; font-weight: 600; font-size: 16px; padding: 11px 22px; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--blue-dark); }
.btn:disabled { background: #b9c4e6; cursor: default; }
.btn.secondary { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
.btn.secondary:hover { background: #eef2fc; }
.btn.small { font-size: 14px; padding: 7px 14px; }
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; max-width: 700px; }
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; background: var(--bg-soft); border-radius: 20px; padding: 3px 9px 3px 4px; }
.chip .ci { width: 18px; height: 18px; border-radius: 4px; font-size: 11px; }

/* result panel */
.result { background: var(--bg-soft); border-radius: 12px; padding: 22px; margin: 18px auto 30px; max-width: 760px; }
.result h2 { margin: 0 0 6px; font-size: 22px; }
.result .cols { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: start; }
.urlbox { display: flex; gap: 8px; margin: 12px 0; }
.urlbox input { flex: 1; font: 14px/1.2 ui-monospace, Menlo, monospace; padding: 10px; border: 1px solid #ccc; border-radius: 8px; background: #fff; min-width: 0; }
.qr { background: #fff; padding: 10px; border-radius: 10px; border: 1px solid var(--line); }
.qr canvas, .qr img, .qr table { display: block; }
.result .hint { color: var(--muted); font-size: 14px; }

/* list page */
.list { max-width: 560px; margin: 0 auto; padding: 0 16px 40px; }
.list h1 { font-size: 24px; margin: 22px 0 2px; }
.list .sub { color: var(--muted); margin: 0 0 16px; }
.row {
  display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line);
}
.row .ic { width: 52px; height: 52px; border-radius: 12px; background: var(--bg-soft); flex: none; object-fit: cover; }
.row .txt { flex: 1; min-width: 0; }
.row .nm { font-weight: 600; font-size: 16px; }
.row .by { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .get {
  flex: none; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600; font-size: 14px;
  padding: 7px 18px; border-radius: 20px; min-width: 64px; text-align: center;
}
.row.done .get { background: #e6f3ea; color: var(--green); }
.row.done .nm { color: var(--muted); }
.progress { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin: 0 0 14px; }
.progress i { display: block; height: 100%; background: var(--blue); width: 0; transition: width .3s; }
.notice { background: #fff8e1; border: 1px solid #f5e6a8; border-radius: 10px; padding: 12px 14px; font-size: 14px; margin: 0 0 14px; }
.list .actions { display: flex; gap: 10px; margin: 18px 0; flex-wrap: wrap; }

footer { color: var(--muted); font-size: 13px; text-align: center; padding: 30px 20px 40px; }

@media (max-width: 720px) {
  .hero .cols { grid-template-columns: 1fr; gap: 16px; }
  .grid { columns: 2 140px; column-gap: 18px; }
  .cat h3 { font-size: 17px; }
  .result .cols { grid-template-columns: 1fr; }
  .qr { display: none; }
  nav a { margin-left: 12px; }
}
.app .letter { font-size: 11px; }