:root {
  --bg: #f6f7f9; --fg: #1d1f23; --muted: #626a76; --card: #fff; --line: #e1e4e9;
  --accent: #1a73e8; --danger: #c5221f; --ok-bg: #e6f4ea; --ok: #137333; --off-bg: #fce8e6;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --fg: #eceef1; --muted: #a2a8b3; --card: #1b1e24; --line: #2e333b;
    --accent: #8ab4f8; --danger: #f28b82; --ok-bg: #1e3a2a; --ok: #81c995; --off-bg: #3c2523; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .05em; }
h1 { font-size: 1.5rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 32px 0 12px; }
.muted, .hint { color: var(--muted); }
.hint { font-size: .85rem; margin: -4px 0 8px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.top .brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.top nav { display: flex; gap: 16px; align-items: center; }
.top nav form { margin: 0; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.flash { background: var(--ok-bg); color: var(--ok); padding: 10px 14px; border-radius: 8px; }
.flash.error-flash { background: var(--off-bg); color: var(--danger); }
.error { color: var(--danger); }
ul.error { padding-left: 20px; }
.empty { text-align: center; padding: 32px 16px; }

.btn { display: inline-block; padding: 9px 16px; border: 0; border-radius: 8px; background: var(--accent);
  color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap; }
@media (prefers-color-scheme: dark) { .btn { color: #0b1220; } }
.btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.link.danger { color: var(--danger); }
.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 4px; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: center; }
input, textarea, select { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--fg); font: inherit; }
input[type=checkbox] { width: auto; }
input[type=color] { width: 64px; height: 40px; padding: 2px; }
.form { max-width: 640px; }
.form .actions { margin-top: 20px; }
.inline-form { display: grid; gap: 8px; }
.inline-form label { margin-top: 0; }
.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.row > div { min-width: 140px; }
.row .grow { flex: 1; }
.logo-preview { width: 80px; height: 80px; object-fit: contain; border: 1px solid var(--line); border-radius: 8px; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.row-actions { display: flex; gap: 12px; align-items: center; justify-content: flex-end; }
.row-actions form { display: flex; gap: 12px; margin: 0; }
.tag { font-size: .75rem; padding: 2px 8px; border-radius: 99px; background: var(--ok-bg); color: var(--ok); }
.tag.off { background: var(--off-bg); color: var(--danger); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat span { display: block; color: var(--muted); font-size: .85rem; }
.stat strong { font-size: 1.6rem; font-variant-numeric: tabular-nums; }
.bars { margin-top: 12px; display: grid; gap: 6px; max-width: 480px; }
.bar { display: grid; grid-template-columns: 40px 1fr 48px; gap: 8px; align-items: center; }
.bar meter { width: 100%; height: 12px; }
.feedback { display: grid; gap: 12px; }
.feedback p { margin: 8px 0 0; white-space: pre-wrap; }

body.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login { width: 100%; max-width: 340px; display: grid; gap: 4px; }
.login .btn { margin-top: 16px; }

body.print { background: #fff; color: #000; }
.sheet { display: grid; grid-template-columns: repeat(auto-fill, 4cm); gap: .5cm; }
.qr { margin: 0; width: 4cm; text-align: center; break-inside: avoid; }
.qr svg { width: 3cm; height: 3cm; }
.qr figcaption { font: 600 11pt ui-monospace, Menlo, monospace; letter-spacing: .08em; }
@media print { .noprint { display: none; } .wrap { padding: 0; max-width: none; } }