:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --ink: #1c1a17;
  --muted: #6b6459;
  --line: #e0dacf;
  --accent: #c94a2c;
  --accent-ink: #ffffff;
  --field: #faf8f3;
  --ok: #2f7d32;
  --radius: 10px;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.45;
}

header {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 1.1rem 1.6rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
header h1 { font-size: 1.05rem; margin: 0; letter-spacing: -0.01em; }
header .host { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
header nav { margin-left: auto; display: flex; gap: 1.3rem; font-size: 0.85rem; }
header nav button {
  background: none; border: none; cursor: pointer; padding: 0 0 0.2rem;
  color: var(--muted); font-size: 0.85rem; font-family: inherit;
  border-bottom: 2px solid transparent;
}
header nav button.on { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }
header .logout { color: var(--muted); text-decoration: none; font-size: 0.8rem; }

.wrap { max-width: 1040px; margin: 1.6rem auto; padding: 0 1.6rem; }
.studio { display: grid; grid-template-columns: 1fr 380px; gap: 1.4rem; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.card h2 {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--muted); margin: 0; padding: 1rem 1.2rem 0.2rem;
}
.card .body { padding: 0.6rem 1.2rem 1.2rem; }

label { display: block; font-size: 0.78rem; color: var(--muted); margin: 0.85rem 0 0.3rem; }
input[type=text], input[type=url], input[type=password], select {
  width: 100%; padding: 0.55rem 0.65rem; border: 1px solid var(--line);
  background: var(--field); border-radius: 8px; font-size: 0.9rem;
  color: var(--ink); font-family: inherit;
}
.row { display: flex; gap: 0.8rem; }
.row > div { flex: 1; }

.slugline { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); margin-top: 0.4rem; }
.slugline b { color: var(--accent); }

.swatches { display: flex; gap: 0.5rem; margin-top: 0.3rem; }
.sw { width: 30px; height: 30px; border-radius: 6px; border: 1px solid var(--line); cursor: pointer; padding: 0; }
.sw.sel { outline: 2px solid var(--ink); outline-offset: 1px; }

.toggle { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem; font-size: 0.85rem; }
.logo-drop {
  margin-top: 0.35rem; border: 1px dashed var(--line); border-radius: 8px;
  padding: 0.7rem; font-size: 0.8rem; color: var(--muted);
  background: var(--field); text-align: center; cursor: pointer;
}

.preview { position: sticky; top: 1.6rem; text-align: center; align-self: start; }
.preview .qrbox { padding: 1.4rem; display: flex; justify-content: center; min-height: 240px; align-items: center; }
.preview img { width: 230px; height: auto; image-rendering: pixelated; }
.status { font-size: 0.75rem; margin: 0.2rem 0 0; }
.status.ok::before { content: "•"; color: var(--ok); margin-right: 0.3rem; }
.status.bad { color: var(--accent); }
.status.bad::before { content: "•"; color: var(--accent); margin-right: 0.3rem; }

.btns { display: flex; gap: 0.6rem; padding: 0.4rem 1.2rem 1.2rem; }
.btn {
  flex: 1; padding: 0.6rem; border-radius: 8px; border: 1px solid var(--ink);
  background: var(--ink); color: #fff; font-size: 0.85rem; cursor: pointer;
  text-align: center; font-family: inherit;
}
.btn.alt { background: transparent; color: var(--ink); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.branding { margin-top: 1.4rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--line); }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
td .mono { font-family: var(--mono); font-size: 0.8rem; }
td .link-actions button {
  background: none; border: 1px solid var(--line); border-radius: 6px;
  padding: 0.25rem 0.5rem; font-size: 0.75rem; cursor: pointer; margin-right: 0.3rem;
  color: var(--ink); font-family: inherit;
}
.pill { font-size: 0.72rem; padding: 0.1rem 0.5rem; border-radius: 999px; }
.pill.on { background: #e7f2e8; color: var(--ok); }
.pill.off { background: #f0e5e2; color: var(--accent); }

.bars { margin-top: 0.6rem; }
.bar-row { display: flex; align-items: center; gap: 0.6rem; margin: 0.25rem 0; font-size: 0.8rem; }
.bar-row .lab { width: 90px; color: var(--muted); }
.bar-row .track { flex: 1; background: var(--field); border-radius: 4px; height: 14px; overflow: hidden; }
.bar-row .fill { background: var(--accent); height: 100%; }
.bar-row .n { width: 34px; text-align: right; font-family: var(--mono); }

.hidden { display: none; }
.empty { color: var(--muted); font-size: 0.85rem; padding: 1rem 0; }
.bignum { font-size: 2rem; font-weight: 700; }

footer { position: fixed; bottom: 0.5rem; right: 0.9rem; font-size: 0.72rem; color: var(--muted); }

.login-wrap { max-width: 320px; margin: 18vh auto; text-align: center; }
.login-wrap h1 { font-size: 1.2rem; }
.login-wrap .err { color: var(--accent); font-size: 0.85rem; }
.login-wrap button { width: 100%; margin-top: 0.9rem; }