:root {
  --bg1: #e8f1ff; --bg2: #f3e9ff; --ink: #14213d; --muted: #5b6785;
  --glass: rgba(255, 255, 255, .62); --border: rgba(255, 255, 255, .85);
  --accent: #3b82f6; --accent2: #8b5cf6; --ok: #16a34a; --warn: #d97706; --err: #dc2626;
  --shadow: 0 10px 30px rgba(31, 55, 120, .15);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg1: #0d1226; --bg2: #1a1236; --ink: #e6ebff; --muted: #9aa6cc;
    --glass: rgba(30, 38, 70, .62); --border: rgba(120, 140, 220, .25);
    --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif; color: var(--ink);
  background: linear-gradient(135deg, var(--bg1), var(--bg2)) fixed; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.topbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; padding: .6rem 1.2rem; background: var(--glass);
  backdrop-filter: blur(14px); border-block-end: 1px solid var(--border); box-shadow: var(--shadow); }
.topbar nav { display: flex; gap: 1rem; flex: 1; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--ink); }
.who { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.who form, .lang-form { display: inline; margin: 0; }
.page { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem; }
.card { background: var(--glass); backdrop-filter: blur(14px); border: 1px solid var(--border); border-radius: 18px;
  box-shadow: var(--shadow); padding: 1.4rem; }
.narrow { max-width: 520px; margin-inline: auto; } .wide { max-width: 640px; }
.guest { display: grid; place-items: center; padding: 1rem; }
.auth-card { width: 100%; max-width: 420px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1rem; margin-block: 1rem; }
.stat span { display: block; color: var(--muted); font-size: .85rem; } .stat strong { font-size: 1.6rem; }
label { display: block; margin-block: .7rem; font-weight: 600; }
label.check { font-weight: 400; margin-block: .25rem; }
input:not([type=checkbox]), select { display: block; width: 100%; margin-top: .3rem; padding: .6rem .75rem; border-radius: 10px;
  border: 1px solid var(--border); background: rgba(255, 255, 255, .8); color: #14213d; font: inherit; }
fieldset { border: 1px solid var(--border); border-radius: 12px; margin-block: 1rem; }
.btn { display: inline-block; padding: .6rem 1.1rem; border: 0; border-radius: 12px; color: #fff; cursor: pointer; font: inherit;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 4px 0 rgba(30, 40, 120, .35); transition: transform .12s, box-shadow .12s; }
.btn:hover { transform: translateY(-1px); text-decoration: none; } .btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(30, 40, 120, .35); }
.btn.small { padding: .3rem .7rem; font-size: .85rem; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0 .25rem; } .link.active { font-weight: 700; }
.alert { padding: .7rem 1rem; border-radius: 10px; margin-block: .8rem; border: 1px solid; }
.alert-ok { border-color: var(--ok); color: var(--ok); } .alert-error { border-color: var(--err); color: var(--err); } .alert-warn { border-color: var(--warn); color: var(--warn); }
.err { display: block; color: var(--err); font-weight: 400; font-size: .85rem; }
.muted { color: var(--muted); } .chip { padding: .1rem .6rem; border-radius: 999px; background: rgba(59, 130, 246, .15); }
.head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; } table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: .55rem .6rem; border-block-end: 1px solid var(--border); }
.actions { display: flex; gap: .6rem; align-items: center; } .actions form { display: flex; gap: .3rem; margin: 0; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: .5rem; border-block-end: 1px solid var(--border); }
.inline { display: flex; gap: .4rem; align-items: center; } .pager { display: flex; gap: 1rem; }
.reqs { list-style: none; padding: 0; } .reqs .ok { color: var(--ok); } .reqs .bad { color: var(--err); } .reqs .warn { color: var(--warn); }
.lang { text-align: center; margin-top: 1rem; }