:root{
  --bg:#070907;
  --panel:#0d110e;
  --panel2:#101611;
  --accent:#7ee8a9;
  --accent2:#34d17c;
  --text:#f4f7f4;
  --muted:#98a29a;
  --line:rgba(126,232,169,.2);
  --line2:rgba(255,255,255,.08);
  --danger:#ff8a8a;
}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 70% -10%,rgba(126,232,169,.08),transparent 34%),var(--bg)}
button,input,select{font:inherit}
.brand{font-size:13px;font-weight:800;letter-spacing:.28em;color:var(--text)}
.brand span{color:var(--accent)}
.eyebrow{margin:0;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.24em;text-transform:uppercase}
.login-body{display:grid;place-items:center;padding:28px}
.login-shell{width:min(100%,460px)}
.login-panel{border:1px solid var(--line);border-radius:14px;background:rgba(13,17,14,.88);padding:34px}
.login-panel h1{margin:24px 0 24px;font-size:32px;line-height:1.05}
.login-form{display:grid;gap:16px}
.login-form label{display:grid;gap:8px;color:var(--muted);font-size:13px}
.login-form input{width:100%;border:1px solid var(--line2);border-radius:10px;background:#070907;color:var(--text);padding:13px 14px;outline:none}
.login-form input:focus{border-color:var(--accent)}
.login-form button{border:0;border-radius:999px;background:linear-gradient(180deg,var(--accent),var(--accent2));color:#06130b;font-weight:800;padding:13px 18px;cursor:pointer}
.form-error{border:1px solid rgba(255,138,138,.35);border-radius:10px;background:rgba(255,138,138,.08);color:var(--danger);padding:11px 12px;font-size:13px}
.login-note{margin:18px 0 0;color:var(--muted);font-size:12px}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 32px;border-bottom:1px solid var(--line2);background:rgba(7,9,7,.9);backdrop-filter:blur(12px)}
.participant{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
.class-badge{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--line);border-radius:999px;background:rgba(126,232,169,.1);color:var(--accent);padding:4px 11px;font-weight:800}
.logout{border:1px solid var(--line2);border-radius:999px;background:transparent;color:var(--text);padding:6px 12px;cursor:pointer}
.page{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:44px 0 36px}
.intro{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:22px}
.intro h1{margin:7px 0 0;font-size:38px;line-height:1.05}
.intro p:last-child{color:var(--muted);margin:0;font-size:13px}
.metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.metric-card,.chart-card,.payout-card{border:1px solid var(--line);border-radius:14px;background:rgba(13,17,14,.78)}
.metric-card{display:grid;gap:10px;min-height:150px;padding:20px}
.metric-card.main{grid-column:span 2}
.metric-card span,.payout-values span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em}
.metric-card strong{font-size:27px;line-height:1.08}
.metric-card.main strong{font-size:34px}
.metric-card small{color:var(--muted);font-size:13px}
.unlock-card strong{font-size:24px;white-space:nowrap}
.chart-card{margin-top:14px;padding:22px}
.section-head{display:flex;align-items:start;justify-content:space-between;gap:18px}
.section-head h2,.payout-card h2{margin:5px 0 0;font-size:22px}
.legend{display:flex;gap:16px;color:var(--muted);font-size:12px}
.dot{display:inline-block;width:9px;height:9px;border-radius:999px;margin-right:7px}
.dot.contribution{background:var(--accent)}
.dot.payout{background:#f4d35e}
.nav-chart{display:block;width:100%;height:auto;margin-top:18px;overflow:visible}
.axis{stroke:var(--line2);stroke-width:1}
.axis-label{fill:var(--muted);font-size:11px}
.nav-line{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.nav-point{fill:var(--bg);stroke:var(--accent);stroke-width:2}
.contribution-point{fill:var(--accent);stroke:#06130b;stroke-width:3}
.payout-point{fill:#f4d35e;stroke:#06130b;stroke-width:3}
.payout-card{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:14px;padding:22px}
.payout-values{display:flex;gap:14px}
.payout-values article{min-width:190px;border:1px solid var(--line2);border-radius:12px;background:rgba(255,255,255,.03);padding:16px}
.payout-values strong{display:block;margin-top:7px;font-size:25px}
.disclaimer{margin-top:24px;border-top:1px solid var(--line2);padding-top:18px;color:var(--muted);font-size:12px}
.muted{color:var(--muted);font-size:13px}
.admin-nav{display:flex;align-items:center;gap:14px}
.admin-nav a{color:var(--muted);text-decoration:none;font-size:13px}
.admin-nav a:hover{color:var(--accent)}
.admin-page{width:min(1280px,calc(100% - 40px))}
.admin-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:14px}
.admin-two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.admin-panel{border:1px solid var(--line);border-radius:14px;background:rgba(13,17,14,.78);padding:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:grid;gap:8px;color:var(--muted);font-size:13px}
.form-grid input,.form-grid select{width:100%;border:1px solid var(--line2);border-radius:10px;background:#070907;color:var(--text);padding:12px 13px;outline:none}
.form-grid input:focus,.form-grid select:focus{border-color:var(--accent)}
.span-2{grid-column:span 2}
.button-row{display:flex;gap:10px;align-items:center}
.button-row button{border:0;border-radius:999px;background:linear-gradient(180deg,var(--accent),var(--accent2));color:#06130b;font-weight:800;padding:11px 18px;cursor:pointer}
.button-row button[name="action"]{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.admin-error{margin-bottom:14px}
.preview-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.preview-metrics article{border:1px solid var(--line2);border-radius:12px;padding:14px;background:rgba(255,255,255,.03)}
.preview-metrics span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.12em}
.preview-metrics strong{display:block;margin-top:7px;font-size:22px}
.admin-table{width:100%;border-collapse:collapse;margin-top:14px}
.admin-table th,.admin-table td{border-bottom:1px solid var(--line2);padding:10px 8px;text-align:left;font-size:12px;vertical-align:top}
.admin-table th{color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.admin-table td{color:var(--text)}
.admin-table.compact td,.admin-table.compact th{padding:8px 6px}
.payout-history{align-items:flex-start}
@media(max-width:980px){
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric-card.main{grid-column:span 2}
  .intro,.payout-card{align-items:start;flex-direction:column}
  .admin-layout,.admin-two{grid-template-columns:1fr}
}
@media(max-width:620px){
  .topbar{align-items:start;flex-direction:column;padding:16px 20px}
  .participant{flex-wrap:wrap}
  .page{width:min(100% - 28px,1180px);padding-top:28px}
  .metric-grid{grid-template-columns:1fr}
  .metric-card.main{grid-column:auto}
  .metric-card strong,.metric-card.main strong{font-size:27px}
  .section-head{flex-direction:column}
  .legend{flex-wrap:wrap}
  .payout-values{width:100%;flex-direction:column}
  .payout-values article{min-width:0}
  .form-grid{grid-template-columns:1fr}
  .span-2{grid-column:auto}
  .admin-nav{flex-wrap:wrap}
}