:root {
  --blue: #1646a8;
  --blue-deep: #0e2f73;
  --blue-soft: #e8effb;
  --red: #d3312b;
  --ink: #13213f;
  --muted: #55637f;
  --line: #d4def0;
  --card: rgba(255, 255, 255, 0.95);
  --field: #f4f7fd;
  --star-off: #c9d3e6;
  --star-on: #f5b300;
  --ok: #1d8a4e;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px; line-height: 1.55; color: var(--ink);
  background: #eaf1fb url("/banner.jpg") center / cover fixed no-repeat;
  padding: 0 16px;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(234,241,251,0.55), rgba(234,241,251,0.88) 45%, rgba(234,241,251,0.96));
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
[hidden] { display: none !important; }
img { max-width: 100%; }
.wrap { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; padding-block: 28px 48px; display: grid; gap: 18px; }
.wrap.wide { max-width: 1120px; }
.banner { width: 100%; height: auto; border-radius: 16px; display: block; box-shadow: 0 10px 30px rgba(14,47,115,0.18); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 24px; box-shadow: 0 12px 34px rgba(14,47,115,0.12); }
.eyebrow { display: inline-block; background: var(--red); color: #fff; font-weight: 700; font-style: italic; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; padding: 4px 12px; border-radius: 999px; }
h1 { margin: 10px 0 4px; font-size: 26px; line-height: 1.25; color: var(--blue); font-weight: 800; text-wrap: balance; }
h2 { margin: 0 0 4px; font-size: 19px; color: var(--blue); text-wrap: balance; }
.lede { margin: 0; color: var(--muted); }
form.stack { display: grid; gap: 18px; margin-top: 22px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label, .label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.req { color: var(--red); }
input, select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--field);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 13px;
  transition: border-color .15s, background .15s;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(22,70,168,0.15); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.stars { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.star { background: none; border: 0; padding: 2px; cursor: pointer; line-height: 0; border-radius: 8px; }
.star svg { width: 40px; height: 40px; fill: var(--star-off); transition: transform .12s, fill .12s; }
.star.on svg { fill: var(--star-on); }
.star:hover svg { transform: scale(1.1); }
.star:focus-visible { outline: 3px solid rgba(22,70,168,0.4); }
.star-text { margin-left: 8px; font-weight: 600; color: var(--blue); min-width: 8ch; }

.err { color: var(--red); font-size: 13px; margin-top: 6px; }
.btn { font: inherit; font-weight: 700; font-size: 16px; color: #fff; background: var(--blue); border: 0; border-radius: 12px; padding: 14px 18px; cursor: pointer; transition: background .15s, transform .1s; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn:hover { background: var(--blue-deep); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: default; }
.btn:focus-visible { outline: 3px solid rgba(211,49,43,0.45); outline-offset: 2px; }
.btn.ghost { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
.btn.ghost:hover { background: var(--blue-soft); }
.btn.sm { font-size: 14px; padding: 9px 14px; border-radius: 10px; }
.btn.danger { background: transparent; color: var(--red); border: 1.5px solid #f0c3c1; }
.btn.danger:hover { background: #fdeceb; }

.thanks { text-align: center; padding-block: 12px; }
.thanks .tick { width: 72px; height: 72px; margin: 0 auto 12px; border-radius: 50%; background: var(--blue); display: grid; place-items: center; animation: pop .45s ease-out; }
.thanks .tick svg { width: 38px; height: 38px; stroke: #fff; fill: none; stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }
.thanks h2 { font-size: 22px; margin-bottom: 6px; }
.thanks p { color: var(--muted); margin: 0 0 18px; }
@keyframes pop { from { transform: scale(.6); opacity: .3; } to { transform: scale(1); opacity: 1; } }
.contact { text-align: center; font-size: 13px; color: var(--muted); margin: 0; }
.contact b { color: var(--blue); user-select: all; }

/* ---------- Admin ---------- */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.kpi span { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.kpi b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi b small { font-size: 15px; color: var(--star-on); }
.grid2 { display: grid; grid-template-columns: 1fr 1.4fr; gap: 16px; }
.dist { display: grid; gap: 8px; margin-top: 12px; }
.dist-row { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; gap: 10px; font-size: 14px; font-variant-numeric: tabular-nums; }
.dist-row .track { height: 12px; background: var(--blue-soft); border-radius: 6px; overflow: hidden; }
.dist-row .fill { height: 100%; background: var(--star-on); border-radius: 6px; }
.dist-row .n { text-align: right; color: var(--muted); }
.sess { display: grid; gap: 6px; margin-top: 12px; max-height: 260px; overflow-y: auto; padding-right: 4px; }
.sess-row { display: grid; grid-template-columns: 64px 1fr 88px; align-items: center; gap: 10px; font-size: 14px; font-variant-numeric: tabular-nums; }
.sess-row .track { height: 12px; background: var(--blue-soft); border-radius: 6px; overflow: hidden; }
.sess-row .fill { height: 100%; background: var(--blue); border-radius: 6px; }
.sess-row .n { text-align: right; color: var(--muted); }
.filters { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto; gap: 10px; align-items: end; }
.filters label { font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.filters input, .filters select { padding: 9px 11px; }
.table-wrap { overflow-x: auto; margin-top: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 820px; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; background: var(--blue-soft); }
td.num, th.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td .who { font-weight: 700; }
td .sub { color: var(--muted); font-size: 13px; }
td .cmt { white-space: pre-wrap; overflow-wrap: anywhere; max-width: 420px; }
.stars-txt { color: var(--star-on); letter-spacing: 1px; white-space: nowrap; }
.stars-txt .off { color: var(--star-off); }
.empty { color: var(--muted); font-style: italic; padding: 16px 4px; }
.pager { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.confirm { display: inline-flex; gap: 6px; align-items: center; }
.toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 10; }
.login { max-width: 420px; }

@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .row { grid-template-columns: 1fr; }
  .card { padding: 22px 18px; }
  h1 { font-size: 22px; }
  .star svg { width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }