:root{--color-bg: #f4f6f9;--color-surface: #ffffff;--color-sidebar: #1e2a38;--color-sidebar-hover: #263545;--color-sidebar-active: #2d4156;--color-sidebar-text: #a0b0c0;--color-sidebar-text-active: #ffffff;--color-header: #ffffff;--color-border: #e2e8f0;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #dbeafe;--color-online: #22c55e;--color-offline: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--color-text: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--sidebar-width: 240px;--header-height: 56px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition-fast: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5;overflow-x:hidden}html{overflow-x:hidden}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--color-sidebar);display:flex;flex-direction:column;z-index:100;transition:transform var(--transition-fast)}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand h1{font-size:1.15rem;font-weight:700;color:#fff;letter-spacing:-.02em}.sidebar-brand .brand-icon{width:28px;height:28px;background:var(--color-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--color-sidebar-text);text-decoration:none;font-size:.93rem;font-weight:500;border-radius:0;transition:background var(--transition-fast),color var(--transition-fast)}.sidebar-nav a:hover{background:var(--color-sidebar-hover);color:var(--color-sidebar-text-active);text-decoration:none}.sidebar-nav a.active{background:var(--color-sidebar-active);color:var(--color-sidebar-text-active)}.sidebar-nav a .nav-icon{font-size:1.15rem;width:22px;text-align:center;flex-shrink:0}.main-content{flex:1;min-width:0;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}.header{position:sticky;top:0;z-index:50;height:var(--header-height);background:var(--color-header);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:var(--shadow-sm)}.header-title{font-size:1.1rem;font-weight:600;color:var(--color-text)}.header-actions{display:flex;align-items:center;gap:12px}.page-content{flex:1;padding:24px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.card-header{padding:16px 20px;border-bottom:1px solid var(--color-border);font-weight:600;font-size:.95rem}.card-body{padding:20px}.machine-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge--online{background:#dcfce7;color:#15803d}.badge--offline{background:#fee2e2;color:#b91c1c}.badge--warning{background:#fef3c7;color:#92400e}.badge-dot{width:7px;height:7px;border-radius:50%;display:inline-block}.badge--online .badge-dot{background:var(--color-online)}.badge--offline .badge-dot{background:var(--color-offline)}.badge--warning .badge-dot{background:var(--color-warning)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;font-size:.88rem;border:1px solid transparent;transition:background var(--transition-fast),border-color var(--transition-fast)}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:#ef4444;color:#fff;border-color:#ef4444}.btn-danger:hover{background:#dc2626;border-color:#dc2626}.btn-sm{padding:5px 10px;font-size:.82rem}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 16px;font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-secondary);border-bottom:2px solid var(--color-border);white-space:nowrap}td{padding:10px 16px;border-bottom:1px solid var(--color-border);font-size:.9rem}tr:hover{background:#f8fafc}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-weight:500;font-size:.88rem;color:var(--color-text-secondary)}.form-input{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.93rem;font-family:inherit;color:var(--color-text);background:var(--color-surface);transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.progress-bar{height:8px;background:var(--color-border);border-radius:100px;overflow:hidden}.progress-bar-fill{height:100%;border-radius:100px;transition:width .3s ease}.progress-bar-fill--good{background:var(--color-online)}.progress-bar-fill--medium{background:var(--color-warning)}.progress-bar-fill--low{background:var(--color-offline)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-center{text-align:center}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-4{gap:16px}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg)}.login-card{width:100%;max-width:380px;padding:32px;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.login-card 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12px}.header-title{font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55vw}.card-body{padding:16px}.card-header{padding:14px 16px}.card-header>.flex{flex-wrap:wrap;gap:8px}h2{font-size:1.25rem}.btn{padding:10px 16px}.btn-sm{padding:7px 12px;font-size:.85rem}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.table-wrapper table{min-width:520px}th,td{padding:8px 10px;font-size:.85rem}.info-table,.info-table tbody,.info-table tr,.info-table td{display:block;width:100%}.info-table tr{padding:8px 0;border-bottom:1px solid var(--color-border)}.info-table tr:last-child{border-bottom:none}.info-table td{padding:2px 0;border-bottom:none}.info-table td:first-child{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);width:auto!important}.form-input{max-width:100%}.stat-card .card-body>div:last-child{font-size:1.3rem!important}}@media (max-width: 480px){html{font-size:13px}.page-content{padding:12px}.login-card{margin:16px;padding:24px}.machine-grid .card-body{padding:14px}.card-header>.flex .btn-sm{padding:6px 10px;font-size:.78rem}}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}@media (max-width: 480px){.dashboard-stats{grid-template-columns:repeat(2,1fr);gap:10px}}.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}@media (max-width: 768px){.detail-grid{grid-template-columns:1fr}}.sidebar-footer{padding:12px 20px;border-top:1px solid rgba(255,255,255,.08);color:var(--color-sidebar-text);font-size:.75rem;opacity:.6}.machine-grid .card:hover{box-shadow:var(--shadow-md)}