:root{--bg-primary:#0a0c14;--bg-secondary:#07080e;--bg-card:#111420;--bg-card-hover:#171c2c;--border-color:#ffffff14;--text-primary:#fff;--text-secondary:#94a3b8;--text-muted:#4e576c;--accent-green:#3fb950;--accent-blue:#38bdf8;--accent-yellow:#f5a623;--accent-red:#ff5b5b;--congestion-empty:#3fb950;--congestion-normal:#f5a623;--congestion-busy:#ff5b5b;--congestion-current:#38bdf8;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--transition:all .2s cubic-bezier(.4, 0, .2, 1);--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 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p{color:var(--text-muted);margin:0;font-size:14px}.equipment-summary{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;display:grid}.summary-card{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;padding:20px 24px;transition:all .2s;display:flex;position:relative;overflow:hidden}.summary-card:hover{border-color:#ffffff26}.summary-card.selected{border-color:var(--primary-bright);box-shadow:0 0 0 1px 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#ff5b5b33}.statistics-loading,.statistics-empty{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:64px 24px;display:flex}.statistics-error{color:var(--accent-red);background:#ff5b5b14;border:1px solid #ff5b5b33;border-radius:12px;padding:24px}@media (width<=768px){.statistics-layout{gap:16px}.statistics-card{padding:16px}.card-header{flex-direction:column;gap:12px;margin-bottom:20px}.card-header-left h3{font-size:18px}.trends-chart-container{gap:6px;height:220px;padding:16px 4px 44px}.trend-axis-label{font-size:10px;bottom:-34px}.trend-bar-wrapper{width:80%}.stats-heatmap-cell{height:40px}.cell-count-text{font-size:11px}.stats-tab-btn{padding:8px 14px;font-size:13px}}.login-container{background-color:var(--bg-secondary);width:100vw;height:100vh;font-family:var(--sans);justify-content:center;align-items:center;padding:20px;display:flex;position:relative;overflow:hidden}.login-bg-glow-1{filter:blur(80px);z-index:1;pointer-events:none;background:radial-gradient(circle,#38bdf826 0%,#38bdf800 70%);width:50vw;height:50vw;position:absolute;top:-10%;left:-10%}.login-bg-glow-2{filter:blur(100px);z-index:1;pointer-events:none;background:radial-gradient(circle,#38bdf81f 0%,#38bdf800 70%);width:60vw;height:60vw;position:absolute;bottom:-10%;right:-10%}.login-card{-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-lg);z-index:10;background:#111420b3;border:1px solid #ffffff14;flex-direction:column;gap:28px;width:100%;max-width:440px;padding:40px;animation:.5s cubic-bezier(.16,1,.3,1) loginCardFadeIn;display:flex;position:relative;box-shadow:0 20px 40px #0000004d}@keyframes loginCardFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-brand{text-align:center;flex-direction:column;align-items:center;gap:12px;display:flex}.brand-logo{background:linear-gradient(135deg,#38bdf826 0%,#0ea5e90d 100%);border:1.5px solid #38bdf866;border-radius:20px;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:4px;display:flex;box-shadow:0 8px 16px #38bdf826}.logo-icon{color:var(--accent-blue);filter:drop-shadow(0 0 6px #38bdf880)}.brand-name{color:var(--text-primary);letter-spacing:-.5px;margin:0;font-size:28px;font-weight:800}.brand-desc{color:var(--text-secondary);margin:0;font-size:13px;font-weight:500}.login-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:var(--text-secondary);letter-spacing:.5px;font-size:13px;font-weight:600}.input-wrapper{align-items:center;display:flex;position:relative}.input-icon{color:var(--text-muted);pointer-events:none;transition:var(--transition);position:absolute;left:14px}.input-wrapper input{border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);background:#07080e99;outline:none;padding:14px 16px 14px 44px;font-size:15px;font-weight:500}.input-wrapper input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #38bdf826}.input-wrapper input:focus+.input-icon{color:var(--accent-blue)}.login-error{color:var(--accent-red);border-radius:var(--radius-sm);background:#ff5b5b1a;border:1px solid #ff5b5b33;padding:10px 14px;font-size:13px;font-weight:500}.login-submit-btn{background:var(--accent-blue);color:#07080e;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:15px;font-weight:700;display:flex}.login-submit-btn:hover{background:#0ea5e9;transform:translateY(-1px);box-shadow:0 4px 12px #38bdf840}.login-submit-btn:active{transform:translateY(0)}.login-submit-btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.login-divider{text-align:center;align-items:center;margin:8px 0;display:flex}.login-divider:before,.login-divider:after{content:"";border-bottom:1px solid var(--border-color);flex:1}.login-divider span{color:var(--text-muted);padding:0 12px;font-size:12px;font-weight:500}.demo-users-list{flex-direction:column;gap:10px;max-height:180px;padding-right:4px;display:flex;overflow-y:auto}.demo-users-list::-webkit-scrollbar{width:6px}.demo-users-list::-webkit-scrollbar-track{background:0 0}.demo-users-list::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.demo-users-list::-webkit-scrollbar-thumb:hover{background:#ffffff26}.demo-user-btn{border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:var(--transition);background:#ffffff05;align-items:center;gap:12px;padding:10px 14px;display:flex;position:relative;overflow:hidden}.demo-user-btn:hover{background:#38bdf80f;border-color:#38bdf84d}.demo-user-avatar img{object-fit:cover;border:1px solid #ffffff1a;border-radius:50%;width:32px;height:32px}.demo-user-info{flex-direction:column;flex-grow:1;display:flex}.demo-user-name{color:var(--text-primary);font-size:14px;font-weight:600}.demo-user-id{color:var(--text-secondary);font-size:11px;font-weight:500}.demo-badge{color:var(--text-muted);transition:var(--transition)}.demo-user-btn:hover .demo-badge{color:var(--accent-blue);transform:scale(1.1)}body.light-mode .login-container{background-color:var(--bg-primary)}body.light-mode .login-card{border-color:var(--border-color);background:#ffffffd9;box-shadow:0 20px 40px #00000014}body.light-mode .input-wrapper input{background:#ffffffe6}body.light-mode .demo-user-btn{background:#00000005}body.light-mode .demo-user-btn:hover{background:#0ea5e90d}