:root{--nacre-primary:#6366f1;--nacre-primary-soft:#eef0ff;--nacre-bg:#fafafc;--nacre-surface:#fff;--nacre-surface-muted:#f8f9fc;--nacre-text:#0f172a;--nacre-text-secondary:#475569;--nacre-text-tertiary:#94a3b8;--nacre-divider:#e2e8f0;--nacre-hairline:#edf1f7;--nacre-gradient:linear-gradient(135deg, #7c3aed 0%, #ec4899 50%, #f59e0b 100%);--nacre-gradient-soft:linear-gradient(135deg, #eef0ff 0%, #fce7f3 50%, #fef3c7 100%);--nacre-shadow-card:0 4px 16px -2px #0f172a0d, 0 2px 4px -1px #0f172a0a;--nacre-shadow-elevated:0 12px 32px -8px #0f172a1a, 0 4px 8px -2px #0f172a0d}*{box-sizing:border-box}html,body{background:var(--nacre-bg);color:var(--nacre-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}#root{min-height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#0f172a1f;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#0f172a38}.nacre-auth-page{background:var(--nacre-gradient-soft);background-attachment:fixed;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.nacre-auth-card{-webkit-backdrop-filter:blur(20px);width:100%;max-width:440px;box-shadow:var(--nacre-shadow-elevated);background:#ffffffeb;border:1px solid #ffffffb3;border-radius:24px;padding:40px 36px}.nacre-page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.nacre-page-title{letter-spacing:-.5px;color:var(--nacre-text);margin:0;font-size:26px;font-weight:800}.nacre-page-subtitle{color:var(--nacre-text-secondary);margin:4px 0 0;font-size:13px}.nacre-stat-card{background:var(--nacre-surface);border:1px solid var(--nacre-hairline);box-shadow:var(--nacre-shadow-card);border-radius:16px;height:100%;padding:20px}.nacre-glass-card{-webkit-backdrop-filter:blur(12px);background:#ffffffd9;border:1px solid #ffffffb3;border-radius:20px;padding:24px}.nacre-sider-logo{border-bottom:1px solid var(--nacre-hairline);align-items:center;height:64px;padding:0 20px;display:flex}.nacre-hero{background:var(--nacre-gradient-soft);border:1px solid #ffffffb3;border-radius:24px;margin-bottom:24px;padding:28px 32px}