:root {
  color-scheme: light;
  --bg: #f3f5fa;
  --surface: #ffffff;
  --surface-2: #f7f8fc;
  --border: #e3e7f0;
  --grid: #eceff5;
  --text: #0e1a33;
  --text-2: #4d5872;
  --muted: #7d879c;
  --brand: #0b2a6f;
  --brand-2: #173f9c;
  --brand-ink: #ffffff;
  --accent: #f4b400;
  --focus: #2a78d6;
  --good: #0f8a4a;
  --good-bg: #e5f5ec;
  --warn: #a86400;
  --warn-bg: #fff3dc;
  --bad: #c0362c;
  --bad-bg: #fdeceb;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --shadow: 0 1px 2px rgba(14, 26, 51, .06), 0 4px 16px rgba(14, 26, 51, .05);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1220; --surface: #161c2c; --surface-2: #1c2335; --border: #2a3247; --grid: #232b3e;
    --text: #eef1f8; --text-2: #b7bfd3; --muted: #8791a8;
    --brand: #0b2a6f; --brand-2: #2451b8; --focus: #5598e7;
    --good: #4cc98a; --good-bg: #173327; --warn: #f2b84b; --warn-bg: #3a2c12; --bad: #f07a70; --bad-bg: #3b1d1b;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1220; --surface: #161c2c; --surface-2: #1c2335; --border: #2a3247; --grid: #232b3e;
  --text: #eef1f8; --text-2: #b7bfd3; --muted: #8791a8;
  --brand: #0b2a6f; --brand-2: #2451b8; --focus: #5598e7;
  --good: #4cc98a; --good-bg: #173327; --warn: #f2b84b; --warn-bg: #3a2c12; --bad: #f07a70; --bad-bg: #3b1d1b;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--focus); }
.num { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: linear-gradient(90deg, #081f55, var(--brand) 60%, #12398f);
  color: var(--brand-ink);
  box-shadow: 0 2px 10px rgba(8, 31, 85, .25);
}
.topbar-inner { max-width: 1320px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; white-space: nowrap; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--accent); color: #081f55; display: grid; place-items: center; font-weight: 800; font-size: 15px; }
.brand small { display: block; font-weight: 500; opacity: .75; font-size: 11.5px; letter-spacing: .4px; text-transform: uppercase; }
.nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav a {
  color: rgba(255, 255, 255, .78); text-decoration: none; padding: 8px 14px; border-radius: 10px; font-weight: 500; white-space: nowrap;
}
.nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.nav a.active { background: rgba(255, 255, 255, .14); color: #fff; box-shadow: inset 0 -2px 0 var(--accent); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: rgba(255, 255, 255, .16); display: grid; place-items: center; font-weight: 700; font-size: 13px; flex: none; }
.user-chip .who { font-size: 13px; line-height: 1.2; text-align: right; }
.user-chip .who span { display: block; opacity: .7; font-size: 11.5px; }
.icon-btn { background: transparent; border: 1px solid rgba(255, 255, 255, .25); color: #fff; border-radius: 9px; padding: 6px 10px; cursor: pointer; font-size: 13px; }
.icon-btn:hover { background: rgba(255, 255, 255, .1); }

main { max-width: 1320px; margin: 0 auto; padding: 22px 20px 60px; }

/* ---------- Generic ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head h1 { font-size: 22px; margin: 0; letter-spacing: -.2px; }
.page-head p { margin: 2px 0 0; color: var(--text-2); font-size: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 18px 20px; }
.card h2 { font-size: 15.5px; margin: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px 0; flex-wrap: wrap; }
.card-head .sub { color: var(--muted); font-size: 13px; }
.section-title { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px; }
.section-title h2 { margin: 0; font-size: 17px; }
.section-title .sub { color: var(--muted); font-size: 13.5px; }
.grid { display: grid; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 8px 14px; cursor: pointer; font-weight: 500; text-decoration: none; color: var(--text);
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn-primary:hover { background: var(--brand); }
.btn-gold { background: var(--accent); border-color: var(--accent); color: #081f55; font-weight: 700; }
.btn-gold:hover { filter: brightness(.96); background: var(--accent); }
.btn-danger { color: var(--bad); }
.btn-sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

label.field { display: grid; gap: 5px; font-size: 13px; color: var(--text-2); font-weight: 500; }
.input, select.input, textarea.input {
  width: 100%; border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 9px 12px; font-size: 15px; color: var(--text);
}
.input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
textarea.input { resize: vertical; min-height: 64px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); }

.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 11px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 13.5px; color: var(--text-2); font-weight: 500; }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.neutral { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; flex: none; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 600; color: var(--text-2); font-size: 12.5px; text-transform: uppercase; letter-spacing: .3px; padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--surface-2); white-space: nowrap; }
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.r, .tbl th.r { text-align: right; }
.tbl tfoot td { font-weight: 700; background: var(--surface-2); border-top: 1px solid var(--border); }
.tbl-wrap { overflow-x: auto; }
.muted { color: var(--muted); }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* ---------- Dashboard ---------- */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.toolbar .live { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 0 var(--good); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 60%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.hero { display: grid; grid-template-columns: 1.35fr repeat(5, 1fr); gap: 12px; }
.tile { padding: 14px 16px; }
.tile .lbl { font-size: 12.5px; color: var(--text-2); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.tile .val { font-size: 26px; font-weight: 700; letter-spacing: -.5px; margin-top: 4px; line-height: 1.15; }
.tile .val small { font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.tile .foot { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.tile.main { background: linear-gradient(135deg, #0b2a6f, #173f9c); color: #fff; border: 0; }
.tile.main .lbl, .tile.main .foot { color: rgba(255, 255, 255, .78); }
.tile.main .val { font-size: 34px; }
.bar { height: 8px; background: var(--grid); border-radius: 99px; overflow: hidden; position: relative; }
.bar > i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 99px; background: var(--brand-2); }
.tile.main .bar { background: rgba(255, 255, 255, .18); margin-top: 10px; }
.tile.main .bar > i { background: var(--accent); }

.members { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.mcard { padding: 16px; display: grid; gap: 10px; position: relative; }
.mcard .top { display: flex; align-items: center; gap: 10px; }
.mcard .rank { position: absolute; top: 12px; right: 14px; font-size: 12px; font-weight: 700; color: var(--muted); }
.mcard .rank.r1 { color: #b27b00; }
.mcard .avatar { background: var(--surface-2); color: var(--brand-2); border: 1px solid var(--border); width: 38px; height: 38px; }
.mcard .name { font-weight: 600; line-height: 1.25; }
.mcard .meta { font-size: 12px; color: var(--muted); }
.mcard .pts { white-space: nowrap; font-size: 28px; font-weight: 700; letter-spacing: -.5px; line-height: 1; }
.mcard .pts small { font-size: 13px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.stack { display: flex; height: 10px; border-radius: 99px; overflow: hidden; gap: 2px; background: var(--grid); }
.stack > i { display: block; height: 100%; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 3px 8px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); }
.chip b { color: var(--text); font-weight: 600; }

.two-col { display: grid; grid-template-columns: 1.1fr 1fr; gap: 14px; }
.chart-box { padding: 8px 16px 16px; position: relative; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--text-2); padding: 10px 20px 0; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
svg text { fill: var(--text-2); font-size: 11.5px; font-family: inherit; }
svg .val-label { fill: var(--text); font-weight: 600; font-size: 12px; }
svg .axis { stroke: var(--border); }
svg .gridline { stroke: var(--grid); }
svg .hit { fill: transparent; cursor: default; }
.tooltip {
  position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .16); border-radius: 10px; padding: 10px 12px; font-size: 13px; min-width: 170px; max-width: 280px;
}
.tooltip .t { font-weight: 700; margin-bottom: 6px; }
.tooltip .row { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.tooltip .row span:first-child { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); }

.feed { list-style: none; margin: 0; padding: 6px 0; max-height: 440px; overflow: auto; }
.feed li { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 9px 20px; border-bottom: 1px solid var(--grid); font-size: 13.5px; }
.feed li:last-child { border-bottom: 0; }
.feed .pts { font-weight: 700; color: var(--good); white-space: nowrap; }
.feed .when { font-size: 12px; color: var(--muted); }

/* ---------- Entry form ---------- */
.entry-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.kpi-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.kpi-opt {
  text-align: left; border: 1.5px solid var(--border); background: var(--surface); border-radius: 12px; padding: 12px 14px; cursor: pointer; display: grid; gap: 4px; position: relative;
}
.kpi-opt:hover { border-color: color-mix(in srgb, var(--focus) 50%, var(--border)); }
.kpi-opt.on { border-color: var(--focus); background: color-mix(in srgb, var(--focus) 7%, var(--surface)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 16%, transparent); }
.kpi-opt .nm { font-weight: 600; font-size: 14px; display: flex; gap: 8px; align-items: center; }
.kpi-opt .pt { font-size: 12.5px; color: var(--text-2); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.preview { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-radius: 12px; background: color-mix(in srgb, var(--accent) 16%, var(--surface)); border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border)); }
.preview .big { font-size: 26px; font-weight: 800; color: var(--text); }
.step { font-size: 12px; font-weight: 700; color: var(--brand-2); text-transform: uppercase; letter-spacing: .5px; margin: 0 0 8px; }
[data-theme="dark"] .step { color: var(--focus); }

/* ---------- Admin ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 10px 14px; cursor: pointer; color: var(--text-2); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button.on { color: var(--text); border-bottom-color: var(--brand-2); }
.tbl input.input { padding: 6px 8px; font-size: 14px; min-width: 70px; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(1200px 600px at 10% -10%, #1d4fc0 0, transparent 60%), linear-gradient(160deg, #061943, #0b2a6f); }
.login-card { width: 100%; max-width: 400px; padding: 30px; display: grid; gap: 14px; }
.login-card h1 { margin: 0; font-size: 21px; }
.login-card .brand-mark { width: 44px; height: 44px; font-size: 19px; border-radius: 12px; }
.err { color: var(--bad); font-size: 13.5px; min-height: 18px; }

/* ---------- Modal & toast ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(6, 12, 28, .5); display: grid; place-items: center; z-index: 60; padding: 16px; }
.modal { width: 100%; max-width: 520px; max-height: calc(100vh - 32px); overflow: auto; padding: 22px; display: grid; gap: 14px; }
.modal h3 { margin: 0; font-size: 18px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #0e1a33; color: #fff; padding: 11px 18px; border-radius: 12px; z-index: 70; font-size: 14px; box-shadow: 0 8px 30px rgba(0, 0, 0, .25); }
.toast.bad { background: var(--bad); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero { grid-template-columns: repeat(3, 1fr); }
  .tile.main { grid-column: 1 / -1; }
  .two-col, .entry-layout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  main { padding: 16px 16px 90px; }
  .topbar-inner { padding: 0 16px; gap: 10px; }
  .brand small, .user-chip .who { display: none; }
  .nav {
    position: fixed; bottom: 0; left: 0; right: 0; background: #081f55; padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); justify-content: space-around; z-index: 30;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, .2);
  }
  .nav a { padding: 8px 10px; font-size: 13px; }
  .hero { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 19px; }
}