:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #16181d;
  --muted: #666d7a;
  --line: #e2e5ea;
  --accent: #2f6df6;
  --ok: #1a9a5f;
  --bad: #d0413b;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1116;
    --card: #171a21;
    --ink: #e8eaee;
    --muted: #8a93a3;
    --line: #262b35;
    --accent: #5b8cff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px 48px;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  max-width: 760px;
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 2px 12px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}

.brand { display: flex; align-items: center; gap: 9px; }

.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--muted); opacity: .45; flex: none;
}
.dot.live { background: var(--ok); opacity: 1; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}

h1 { font-size: 20px; margin: 0 0 6px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .07em;
     color: var(--muted); margin: 0 0 12px; font-weight: 600; }

.muted { color: var(--muted); font-size: 13px; margin: 6px 0 0; }

label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }

input, textarea {
  width: 100%;
  margin-top: 5px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
textarea { resize: vertical; margin-top: 0; }

input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }

.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.danger { color: var(--bad); }
.wide { width: 100%; }

.row { display: flex; gap: 10px; margin-top: 10px; }
.row.wrap { flex-wrap: wrap; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 12px; border-radius: 999px;
}
.chip.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.chip-name { font-weight: 500; }
.chip-plat { color: var(--muted); font-size: 12px; }

#dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 30px 16px; text-align: center;
  border: 1.5px dashed var(--line); border-radius: 12px;
  cursor: pointer; margin: 0;
}
#dropzone:hover, #dropzone.over { border-color: var(--accent); }
#dropzone .big { font-weight: 600; font-size: 16px; }

.item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-top: 1px solid var(--line);
}
.item:first-child { border-top: 0; }
.item-meta { min-width: 0; }
.item-name { font-weight: 500; overflow-wrap: anywhere; }
.item.ok .item-name { color: var(--ok); }
.item.bad .item-name { color: var(--bad); }

.code {
  font: 28px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .18em; margin: 8px 0 0;
}

code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; }

#toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(120%);
  background: var(--ink); color: var(--bg);
  padding: 11px 17px; border-radius: 10px; font-size: 14px;
  transition: transform .2s ease; max-width: min(92vw, 420px); text-align: center;
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.bad { background: var(--bad); color: #fff; }