:root{--bg-color:#0d1117;--card-bg:#161b22;--card-border:#30363d;--text-main:#c9d1d9;--text-dim:#8b949e;--primary:#0f8;--danger:#ff4d4d;--info:#3d94ff;--warning:#e3b341;--sidebar-width:240px}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}h1,h2,h3,h4{color:#fff;margin-top:0}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;transition:opacity .2s}button:hover{opacity:.8}.layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--card-bg);border-right:1px solid var(--card-border);flex-direction:column;padding:20px;display:flex}.main-content{flex:1;padding:30px;overflow-y:auto}.card{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:8px;margin-bottom:20px;padding:20px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px;display:grid}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-dim);border-bottom:1px solid var(--card-border);padding:12px;font-weight:500}td{border-bottom:1px solid var(--card-border);padding:12px}tr:hover td{background-color:#ffffff05}.success{color:var(--primary)}.danger{color:var(--danger)}.info{color:var(--info)}.status-badge{text-transform:uppercase;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:700}.status-badge.success{color:var(--primary);background-color:#00ff8826}.status-badge.expired{color:var(--danger);background-color:#ff4d4d26}.status-badge.pending{color:var(--warning);background-color:#e3b34126}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}