:root {
  --bg: #f5f4f0; --panel: #ffffff; --ink: #1d2430; --muted: #6b7280; --line: #e3e1da;
  --accent: #1f5fbf; --accent-soft: #e8f0fc; --ok: #1d7a46; --warn: #b45309; --err: #b42318;
  --cfg: #6d3fb5; --cfg-soft: #f1eafb;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif; font-size: 14px; color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); height: 100vh; display: flex; flex-direction: column; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; height: 48px;
  background: #18202c; color: #fff; flex: none; }
.brand { font-weight: 650; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.brand small { font-weight: 400; color: #9aa4b2; font-size: 13px; }
.logo { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: #f2b533; color: #18202c; font-weight: 800; }
.modes { display: flex; gap: 4px; background: #263041; padding: 3px; border-radius: 8px; }
.mode { border: 0; background: transparent; color: #c8d0db; padding: 6px 14px; border-radius: 6px; }
.mode.active { background: #fff; color: #18202c; }
body.cfg .mode.active { background: var(--cfg); color: #fff; }

.layout { flex: 1; display: flex; min-height: 0; }
aside { width: 260px; flex: none; background: var(--panel); border-right: 1px solid var(--line); overflow: auto; padding: 10px 0; }
main { flex: 1; overflow: auto; padding: 20px 24px 60px; min-width: 0; }

.nav-group { padding: 10px 16px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  display: flex; justify-content: space-between; align-items: center; }
.nav-group button { border: 0; background: none; color: var(--accent); font-size: 16px; line-height: 1; padding: 0 2px; }
body.cfg .nav-group button { color: var(--cfg); }
.nav-item { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 6px 16px 6px 26px; color: var(--ink); }
.nav-item:hover { background: #f3f2ee; }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 550; }
body.cfg .nav-item.active { background: var(--cfg-soft); color: var(--cfg); }
.nav-item .tag { color: var(--muted); font-size: 12px; }

h1 { font-size: 20px; margin: 0 0 4px; font-weight: 650; }
h2 { font-size: 15px; margin: 22px 0 8px; font-weight: 650; }
.sub { color: var(--muted); margin-bottom: 16px; }
.toolbar { display: flex; gap: 8px; align-items: center; margin: 12px 0; flex-wrap: wrap; }
.btn { border: 1px solid var(--line); background: #fff; padding: 6px 12px; border-radius: 6px; }
.btn:hover { border-color: #c9c6bc; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
body.cfg .btn.primary { background: var(--cfg); border-color: var(--cfg); }
.btn.danger { color: var(--err); }
.btn.small { padding: 2px 8px; font-size: 12px; }
.spacer { flex: 1; }
.status { color: var(--muted); font-size: 13px; }
.status b { color: var(--ink); }
.dirty { color: var(--warn); font-weight: 600; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
table.grid { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.grid th { text-align: left; font-weight: 600; font-size: 12px; color: var(--muted); background: #faf9f6; padding: 7px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.grid td { padding: 6px 10px; border-bottom: 1px solid #f0eee8; vertical-align: middle; }
.grid tr:last-child td { border-bottom: 0; }
.grid tbody tr.click:hover { background: #f7f9fd; cursor: pointer; }
.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }
.grid input, .grid select { width: 100%; border: 1px solid transparent; background: transparent; padding: 4px 6px; border-radius: 4px; }
.grid input:focus, .grid select:focus { border-color: var(--accent); background: #fff; outline: none; }
.grid td.tight { width: 1%; white-space: nowrap; }
.posted { color: var(--ok); font-weight: 700; }
.empty { color: var(--muted); padding: 18px; text-align: center; }

.form { display: grid; grid-template-columns: 180px minmax(200px, 460px); gap: 10px 14px; align-items: center; }
.form label { color: var(--muted); }
.form input, .form select, .form textarea { border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; background: #fff; width: 100%; }
.form input[type=checkbox] { width: auto; }
.form input:focus, .form select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.messages { margin: 12px 0; }
.msg { padding: 8px 12px; border-radius: 6px; margin-bottom: 6px; background: #fff8e6; border: 1px solid #f3dfae; }
.msg.err { background: #fdecea; border-color: #f5c2bd; color: var(--err); }
.msg.ok { background: #e9f6ee; border-color: #bfe3cc; color: var(--ok); }

#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 10; max-width: 420px; }
.toast { background: #18202c; color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.toast.err { background: var(--err); }

/* режим «Налаштування» */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 14px 0 16px; }
.tab { border: 0; background: none; padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--cfg); border-color: var(--cfg); font-weight: 600; }
.code-wrap { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #1e2430; min-height: 420px; }
.gutter { padding: 10px 8px; color: #6b7686; text-align: right; font: 13px/1.55 "JetBrains Mono", Consolas, monospace; user-select: none; background: #1a1f29; white-space: pre; }
.gutter .bad { color: #ff8a80; font-weight: 700; }
textarea.code { flex: 1; border: 0; resize: vertical; padding: 10px 12px; background: transparent; color: #e6e9ef; min-height: 420px;
  font: 13px/1.55 "JetBrains Mono", Consolas, monospace; outline: none; white-space: pre; tab-size: 4; overflow: auto; }
.issues { margin-top: 12px; }
.issue { font-size: 13px; padding: 5px 10px; border-left: 3px solid var(--err); background: #fff; margin-bottom: 4px; }
.issue.warning { border-color: var(--warn); }
.hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.type-cell { display: flex; gap: 4px; }
.type-cell select { flex: 1; }
.type-cell input { width: 58px; }
.pill { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px; background: #eef0f3; color: var(--muted); margin-left: 6px; }
pre.out { background: #1e2430; color: #e6e9ef; padding: 12px; border-radius: 8px; white-space: pre-wrap; font: 13px/1.5 "JetBrains Mono", Consolas, monospace; min-height: 60px; }
.grid tfoot td { font-weight: 650; background: #faf9f6; border-top: 1px solid var(--line); }
.grid a { color: var(--accent); text-decoration: none; }
.grid a:hover { text-decoration: underline; }
a.brand { color: inherit; text-decoration: none; }
.who { display: flex; align-items: center; gap: 10px; color: #c8d0db; font-size: 13px; margin-left: 16px; }
.linkbtn { border: 0; background: none; color: #9ec1ff; padding: 0; font: inherit; cursor: pointer; }
.top { gap: 12px; }
.top .modes { margin-left: auto; }
.btn { text-decoration: none; color: inherit; display: inline-block; }
.btn.primary { color: #fff; }
.grid input[type=checkbox], .form input[type=checkbox] { width: auto; }