*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #1e2128;--bg-surface: #262b34;--bg-raised: #2e343f;--bg-hover: #363d4a;--border: #2a2f38;--border-accent: #3a4250;--text-primary: #e8eaed;--text-secondary:#8b96a5;--text-muted: #4f5b6b;--accent: #4a9eff;--accent-dim: rgba(74, 158, 255, .12);--accent-hover: #6cb3ff;--success: #3ecf8e;--warning: #f5a623;--danger: #e5534b;--danger-dim: rgba(229, 83, 75, .12);--mono: "IBM Plex Mono", monospace;--sans: "IBM Plex Sans", sans-serif;--radius: 4px;--radius-lg: 8px;--nav-width: 220px;--header-h: 52px}html,body{height:100%;background:var(--bg-base);color:var(--text-primary);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{height:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-accent);border-radius:3px}.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-base);position:relative;overflow:hidden}.login-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(0deg,transparent,transparent 39px,var(--border) 39px,var(--border) 40px),repeating-linear-gradient(90deg,transparent,transparent 39px,var(--border) 39px,var(--border) 40px);opacity:.25;pointer-events:none}.login-card{position:relative;z-index:1;width:380px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:0 24px 80px #00000080}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px}.login-logo-mark{width:32px;height:32px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:500;color:#fff;letter-spacing:-1px}.login-logo-text{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--text-primary)}.login-logo-sub{font-size:11px;color:var(--text-muted);font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;margin-top:1px}.login-title{font-size:20px;font-weight:500;margin-bottom:6px}.login-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:28px}.field{margin-bottom:16px}.field label{display:block;font-size:12px;font-family:var(--mono);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.field input{width:100%;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-family:var(--sans);font-size:14px;padding:9px 12px;outline:none;transition:border-color .15s}.field input:focus{border-color:var(--accent);background:var(--bg-hover)}.field input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:var(--radius);border:1px solid transparent;font-family:var(--sans);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;text-decoration:none}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);width:100%}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:var(--border)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-accent)}.btn-danger{background:var(--danger-dim);color:var(--danger);border-color:transparent}.btn-danger:hover{background:#e5534b33}.error-msg{background:var(--danger-dim);border:1px solid rgba(229,83,75,.3);color:var(--danger);border-radius:var(--radius);padding:10px 12px;font-size:13px;margin-bottom:16px}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--nav-width);flex-shrink:0;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{height:var(--header-h);padding:0 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-logo-mark{width:26px;height:26px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;font-weight:500;color:#fff;letter-spacing:-.5px;flex-shrink:0}.sidebar-title{font-size:13px;font-weight:600;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 8px}.nav-section{margin-bottom:20px}.nav-section-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);padding:0 8px;margin-bottom:4px}.nav-item{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:var(--radius);cursor:pointer;color:var(--text-secondary);font-size:13.5px;transition:all .12s;-webkit-user-select:none;user-select:none;border:1px solid transparent;margin-bottom:1px}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-dim);color:var(--accent);border-color:#4a9eff33}.nav-item svg{flex-shrink:0;opacity:.7}.nav-item.active svg{opacity:1}.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border);flex-shrink:0}.user-info{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius);margin-bottom:8px}.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--bg-hover);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;color:var(--accent);flex-shrink:0}.user-email{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-base)}.topbar{height:var(--header-h);padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--bg-surface)}.topbar-title{font-size:15px;font-weight:500}.topbar-meta{font-family:var(--mono);font-size:11px;color:var(--text-muted)}.page-content{flex:1;overflow-y:auto;padding:28px 24px}.placeholder-page{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--text-muted)}.placeholder-page svg{opacity:.3}.placeholder-page h3{font-size:15px;font-weight:500;color:var(--text-secondary)}.placeholder-page p{font-size:13px;text-align:center;max-width:300px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.stat-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:8px}.stat-value{font-size:26px;font-weight:600;font-family:var(--mono);color:var(--text-primary)}.stat-sub{font-size:12px;color:var(--text-secondary);margin-top:4px}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .2s ease forwards}