:root {
  --bg: #f3f4f1;
  --surface: #ffffff;
  --text: #1d2321;
  --muted: #5d6764;
  --line: #dfe3df;
  --accent: #0f6b5c;
  --accent-hover: #0b574b;
  --accent-soft: #e3f1ed;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warn: #8a5a00;
  --warn-soft: #fdf1d8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 30, 25, .06), 0 4px 16px rgba(20, 30, 25, .05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --surface: #1c2220;
    --text: #e6ebe8;
    --muted: #9aa5a1;
    --line: #2e3633;
    --accent: #3fb39c;
    --accent-hover: #5cc6b1;
    --accent-soft: #1d3530;
    --danger: #f08277;
    --danger-soft: #3a2120;
    --warn: #e7b54d;
    --warn-soft: #3a3020;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
h1 { font-size: 24px; line-height: 1.25; margin: 0 0 12px; letter-spacing: -.01em; }
h2 { font-size: 17px; margin: 0 0 16px; }
p { margin: 0 0 12px; }
.muted, .sub { color: var(--muted); }
.sub { font-size: 13px; overflow-wrap: anywhere; }
.lead { font-size: 16px; }
.hint { font-size: 13px; color: var(--muted); margin: 4px 0 0; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 16px; color: var(--text); }
.brand img { display: block; border-radius: 7px; }

/* ---- публичные страницы ---- */
body.public { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.panel {
  width: 100%; max-width: 440px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 32px;
}
.panel .brand { margin-bottom: 28px; }
.panel .actions { margin-top: 20px; }
.done-mark {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 24px; font-weight: 700; margin-bottom: 16px;
}

/* ---- формы ---- */
.form { display: grid; gap: 16px; margin-top: 8px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 550; }
input[type=text], input[type=email], input[type=password], input[type=search] {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
input:focus-visible, .btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  border-radius: 8px; padding: 10px 18px; white-space: nowrap;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
@media (prefers-color-scheme: dark) { .btn, .btn:hover { color: #0c1513; } }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn-secondary:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--line); }
.btn-danger:hover { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; }

.alert { background: var(--danger-soft); color: var(--danger); border-radius: 8px; padding: 10px 14px; margin: 8px 0; font-size: 14px; }

/* ---- админка ---- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 60px;
  display: flex; align-items: center; gap: 32px;
}
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 550;
}
.topbar nav a:hover { color: var(--text); background: var(--bg); }
.topbar nav a.active { color: var(--accent); background: var(--accent-soft); }
.logout { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.who { color: var(--muted); }

.page { max-width: 1160px; margin: 0 auto; padding: 28px 24px 64px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { margin: 0; }
.page-tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search input { width: 280px; padding: 9px 12px; }
.count { color: var(--muted); font-weight: 500; font-size: 18px; margin-left: 4px; }
.crumbs { margin-bottom: 16px; font-size: 14px; }
.crumbs a { text-decoration: none; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: var(--shadow); }
.card.narrow { max-width: 520px; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 20px; align-items: start; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 16px 0 20px; font-size: 14px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.action-list { display: grid; gap: 18px; }
.action-list form { display: grid; justify-items: start; gap: 2px; }

.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg);
}
.table td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table .name { font-weight: 600; text-decoration: none; color: var(--text); }
.table .name:hover { color: var(--accent); }
.row-actions { text-align: right; white-space: nowrap; }
.row-actions form { display: inline; }
.row-actions > * + * { margin-left: 6px; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; }
.badge-active { background: var(--accent-soft); color: var(--accent); }
.badge-invited { background: var(--warn-soft); color: var(--warn); }
.badge-locked { background: var(--danger-soft); color: var(--danger); }
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 4px; border: 1px solid var(--line); color: var(--muted); margin-left: 6px; vertical-align: 1px; }
.tag-quiet { border-style: dashed; }

.flash { border-radius: 10px; padding: 14px 16px; margin-bottom: 20px; border: 1px solid transparent; }
.flash p { margin: 0; }
.flash-ok { background: var(--accent-soft); border-color: var(--accent); }
.flash-error { background: var(--warn-soft); border-color: var(--warn); }
.copy { display: flex; gap: 8px; margin-top: 10px; }
.copy input { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }

.empty { background: var(--surface); border: 1px dashed var(--line); border-radius: 12px; padding: 40px 24px; text-align: center; color: var(--muted); }

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
  .topbar-inner { gap: 16px; padding: 0 16px; }
  .who { display: none; }
  .page { padding: 20px 16px 48px; }
  .search input { width: 100%; }
  .page-tools { width: 100%; flex-direction: column; align-items: stretch; }
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; }
  .table tr { padding: 12px 16px; border-bottom: 1px solid var(--line); }
  .table td { border: 0; padding: 4px 0; }
  .table td[data-label]::before { content: attr(data-label); display: block; font-size: 12px; color: var(--muted); }
  .row-actions { text-align: left; padding-top: 8px !important; white-space: normal; }
}
@media (max-width: 520px) {
  .topbar-inner { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .topbar nav { order: 3; flex-basis: 100%; }
  .panel { padding: 24px 20px; }
}