:root{
  --bg:#000000;
  --surface:#0b0b0b;
  --surface-2:#141414;
  --surface-3:#1d1d1d;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --text:#f3f3f3;
  --muted:#a1a1a1;
  --primary:#ffffff;
  --primary-hover:#e9e9e9;
  --danger:#ff7a7a;
  --shadow:0 24px 80px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Manrope',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
img{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
code{background:var(--surface-2);padding:2px 8px;border-radius:999px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:var(--surface-2);padding:12px 16px;border-radius:12px;z-index:1000}

.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#000}
.minimal-shell{width:min(100%,440px)}
.minimal-card{background:transparent;border:none;box-shadow:none;padding:0;text-align:center}
.brand-logo{width:220px;height:220px;object-fit:cover;border-radius:18px;margin:0 auto 24px;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.brand-title{margin:0;font-size:clamp(2.4rem,2rem + 1.5vw,3.2rem);font-weight:800;letter-spacing:.02em}
.brand-subtitle{margin:8px 0 28px;color:var(--muted);font-size:1.05rem}
.auth-form{display:grid;gap:14px}
.minimal-form input,.hash-box{width:100%;padding:16px 18px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--text);outline:none}
.minimal-form input:focus,.hash-box:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(255,255,255,.06)}
.login-btn{width:100%;min-height:48px;border-radius:14px;background:var(--primary);color:#000;font-weight:800;border:1px solid transparent}
.login-btn:hover{background:var(--primary-hover)}
.alert{margin:0 0 16px;padding:14px 16px;border-radius:14px;font-size:.95rem}
.alert-error{background:rgba(255,122,122,.10);border:1px solid rgba(255,122,122,.22);color:#ffd0d0}

.site-dark{background:var(--bg);color:var(--text)}
.topbar,.dashboard-shell{width:min(1240px,calc(100% - 32px));margin-inline:auto}
.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:28px 0 20px}
.topbar h1{margin:0;font-size:2rem}
.topbar-actions{display:flex;gap:12px;align-items:center}
.user-pill,.badge{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-weight:700}
.dashboard-shell{display:grid;gap:20px;padding-bottom:40px}
.hero-card,.panel-card,.toolbar,.concert-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.hero-card,.panel-card,.concert-card{padding:24px}
.dark-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;color:var(--muted);margin:0 0 8px}
.intro,.muted{color:var(--muted)}
.hero-card h2,.panel-card h2,.concert-card h2{margin:0 0 10px;line-height:1.1}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hero-stats article{padding:18px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line)}
.hero-stats strong{display:block;font-size:1.8rem}
.hero-stats span{color:var(--muted)}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel-head,.concert-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}
.checks-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.check-item{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.toolbar{padding:18px}
.search-form{display:grid;grid-template-columns:1fr auto;gap:12px}
.search-form input{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 18px;border-radius:14px;border:1px solid var(--line);font-weight:800;transition:.18s ease}
.btn-primary{background:#fff;color:#000;border-color:#fff}
.btn-secondary,.btn-download{background:var(--surface-2);color:var(--text)}
.file-table-wrap{overflow:auto}
.file-name{display:flex;align-items:center;gap:12px;font-weight:700}
th,td{text-align:left;padding:14px 10px;border-top:1px solid var(--line)}
th{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.empty-state{padding:42px 24px;text-align:center;background:var(--surface);border:1px dashed var(--line-strong);border-radius:24px}
.code-block{white-space:pre-wrap;background:var(--surface-2);padding:16px;border:1px solid var(--line);border-radius:16px;overflow:auto}
.hash-box{margin-top:16px;min-height:130px;background:var(--surface);color:var(--text)}

@media (max-width: 980px){.admin-grid,.dark-hero{grid-template-columns:1fr}.checks-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width: 640px){.topbar{flex-direction:column;align-items:flex-start}.topbar-actions{width:100%;justify-content:space-between}.search-form,.checks-grid{grid-template-columns:1fr}.hero-stats{grid-template-columns:1fr}.btn{width:100%}th:nth-child(2),td:nth-child(2){display:none}.brand-logo{width:180px;height:180px}}