.admin-shell { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0; }
body { margin: 0; background: #0d1117; color: #e6edf3; font: 16px/1.5 system-ui, -apple-system, sans-serif; }
.login-card, .panel, .metric-card { background: #161b22; border: 1px solid #30363d; border-radius: 18px; padding: 24px; box-shadow: 0 14px 40px #0003; }
.login-card { max-width: 440px; margin: 8vh auto; }
.eyebrow { color: #58a6ff; font-size: 12px; letter-spacing: .16em; font-weight: 700; }
h1, h2 { margin-top: 0; }
.muted, .hint, small { color: #8b949e; }
label { display: grid; gap: 8px; margin: 16px 0; font-weight: 600; }
input { box-sizing: border-box; width: 100%; background: #0d1117; color: #e6edf3; border: 1px solid #484f58; border-radius: 10px; padding: 12px; font: inherit; }
button { border: 0; border-radius: 10px; padding: 11px 16px; background: #238636; color: white; cursor: pointer; font: inherit; font-weight: 700; }
button.secondary { background: #21262d; border: 1px solid #484f58; }
.error { color: #ff7b72; min-height: 24px; }
.hidden { display: none; }
.dashboard-header, .panel-heading, .header-actions { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 22px 0; }
.metric-card { display: grid; gap: 8px; }
.metric-card strong { font-size: 22px; }
.panel { margin-top: 16px; }
pre { overflow: auto; background: #0d1117; border-radius: 10px; padding: 16px; color: #a5d6ff; }
.notice { color: #c9d1d9; }
@media (max-width: 680px) { .admin-shell { padding-top: 20px; } .dashboard-header { align-items: start; flex-direction: column; } .metric-grid { grid-template-columns: 1fr; } .header-actions { width: 100%; justify-content: space-between; } }