html,body,#root{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.admin-layout{min-height:100vh}.admin-sidebar-logo{display:flex;align-items:center;gap:8px;height:56px;padding:0 16px;color:#fff;font-weight:600;letter-spacing:.5px;border-bottom:1px solid rgba(255,255,255,.06)}.admin-sidebar-logo .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#5b6cff,#b06cff)}.admin-page{padding:16px 24px 32px}.admin-page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.admin-page-header h1{margin:0;font-size:20px;font-weight:600;line-height:1.4}.admin-page-header p{margin:4px 0 0;color:#0000008c;font-size:13px}.admin-login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(circle at 20% 20%,#6573ff22 0%,transparent 40%),radial-gradient(circle at 80% 80%,#b06cff22 0%,transparent 45%),linear-gradient(135deg,#0f1115,#1a1d27)}.admin-login-card{width:380px;padding:32px;background:#fff;border-radius:12px;box-shadow:0 20px 60px #0f111573}.admin-login-card h1{margin:0 0 4px;font-size:22px;font-weight:600}.admin-login-card p.tip{margin:0 0 24px;color:#0000008c;font-size:13px}.admin-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}@media(max-width:1100px){.admin-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}