:root{
  --bg:#f3f5f7; --surface:#ffffff; --surface-2:#f8f9fb; --text:#20242a;
  --muted:#6b7280; --border:#dde2e7; --accent:#22252a;
  --success:#e1f4e5; --success-text:#176b2c;
  --warn:#fff2c7; --warn-text:#755500;
  --danger:#f9dddd; --danger-text:#8a2323;
  --shadow:0 8px 24px rgba(25,35,45,.07);
  --radius:16px;
}
*{box-sizing:border-box}
html{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
body{margin:0;background:var(--bg);color:var(--text)}
a{color:inherit}
.app-shell{min-height:100vh}
.topbar{
  background:var(--surface); border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:50;
}
.topbar-inner{
  max-width:1520px; margin:0 auto; padding:10px 22px;
  display:flex; align-items:center; gap:18px; min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:250px}
.brand img{width:54px;height:54px;object-fit:contain}
.brand-title{font-size:18px;font-weight:800;line-height:1.05}
.brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
.main-nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.main-nav a{
  text-decoration:none;padding:10px 12px;border-radius:10px;color:#4b5563;font-weight:700;font-size:14px
}
.main-nav a:hover,.main-nav a.active{background:#eef1f4;color:#111}
.userbox{margin-left:auto;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.user-meta{text-align:right}.user-meta strong{display:block;font-size:14px}.user-meta span{font-size:12px;color:var(--muted)}
.page{max-width:1520px;margin:0 auto;padding:26px 22px 42px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.page-title{margin:0;font-size:30px;letter-spacing:-.02em}.page-sub{color:var(--muted);margin-top:6px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;
  border:1px solid transparent;border-radius:10px;background:var(--accent);color:#fff;
  text-decoration:none;font-weight:800;font-size:14px;cursor:pointer
}
.btn.secondary{background:var(--surface);color:var(--text);border-color:#cfd5db}
.btn.soft{background:#eceff2;color:#222;border-color:#eceff2}
.btn.warn{background:#8a5c00}.btn.danger{background:#9f2e2e}
.btn:disabled{opacity:.55;cursor:not-allowed}
.grid{display:grid;gap:14px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px;min-width:0
}
.card h2,.card h3{margin:0 0 8px}.card-sub{color:var(--muted);font-size:13px}
.metric-label{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.055em}
.metric-value{font-size:30px;font-weight:900;margin-top:7px;letter-spacing:-.03em}
.metric-note{font-size:13px;color:var(--muted);margin-top:4px}
.status-row{display:flex;align-items:center;gap:10px}
.dot{width:11px;height:11px;border-radius:50%;background:#999;flex:none}
.dot.ok{background:#2f9e44}.dot.warn{background:#d99b00}.dot.bad{background:#c83d3d}
.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}
.badge.ok{background:var(--success);color:var(--success-text)}
.badge.warn{background:var(--warn);color:var(--warn-text)}
.badge.bad{background:var(--danger);color:var(--danger-text)}
.section-title{display:flex;justify-content:space-between;gap:12px;align-items:end;margin:28px 0 12px}
.section-title h2{margin:0;font-size:21px}.section-title span{color:var(--muted);font-size:13px}
.event-card{display:flex;flex-direction:column;gap:14px}
.event-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.event-name{font-size:20px;font-weight:900}.event-date{color:var(--muted);margin-top:3px}
.progress{height:10px;background:#eceff2;border-radius:999px;overflow:hidden}
.progress > span{display:block;height:100%;background:#4e555d;border-radius:999px}
.event-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mini-stat{background:var(--surface-2);border-radius:10px;padding:10px}
.mini-stat span{display:block;color:var(--muted);font-size:11px}.mini-stat strong{font-size:18px}
.notice{border-radius:12px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);margin-bottom:10px}
.notice.warn{background:var(--warn);border-color:#ecd98c;color:#5f4b00}
.notice.bad{background:var(--danger);border-color:#e7b0b0;color:#7c2525}
.notice.ok{background:var(--success);border-color:#b6dfbe;color:#1f642f}
.table-wrap{overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
th{background:#f7f8fa;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#68707a}
tr:last-child td{border-bottom:0}
.form-card{max-width:760px}
label{display:block;font-weight:800;margin:14px 0 6px}
input,select,textarea{
  width:100%;padding:11px 12px;border:1px solid #bcc4cc;border-radius:9px;background:#fff;font:inherit
}
input:focus,select:focus,textarea:focus{outline:3px solid #dde3e8;border-color:#7b858f}
textarea{min-height:90px;resize:vertical}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:30px}
.login-logo{display:block;width:128px;height:128px;object-fit:contain;margin:0 auto 14px}
.login-title{text-align:center;margin:0;font-size:27px}.login-sub{text-align:center;color:var(--muted);margin:6px 0 22px}
.footer-note{text-align:center;color:var(--muted);font-size:12px;margin-top:16px}
.quick-list{display:grid;gap:9px}.quick-item{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:12px 0;border-bottom:1px solid #edf0f2}
.quick-item:last-child{border-bottom:0}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.topbar-inner{align-items:flex-start}.main-nav{order:3;width:100%}.brand{min-width:0}}
@media(max-width:700px){
  .page{padding:18px 13px 32px}.topbar-inner{padding:9px 13px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .user-meta{display:none}.brand-title{font-size:16px}.brand-sub{display:none}.brand img{width:46px;height:46px}
  .main-nav{overflow:auto;flex-wrap:nowrap;padding-bottom:2px}.main-nav a{white-space:nowrap}
  .page-title{font-size:25px}.event-stats{grid-template-columns:repeat(3,1fr)}
}