:root{--primary-color: #0F172A;--primary-light: #1E293B;--accent-color: #3B82F6;--accent-hover: #2563EB;--text-main: #F8FAFC;--text-muted: #94A3B8;--bg-color: #F1F5F9;--card-bg: #FFFFFF;--border-color: #E2E8F0;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-md: .5rem;--radius-lg: .75rem;font-family:Inter,system-ui,-apple-system,sans-serif}body{margin:0;background-color:var(--bg-color);color:#334155;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:2rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .2s;border:none;font-size:.875rem}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover)}.card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem;border:1px solid var(--border-color)}.input-group{margin-bottom:1rem}.input-label{display:block;font-size:.875rem;font-weight:500;color:var(--primary-light);margin-bottom:.5rem}.form-control{width:100%;padding:.5rem .75rem;border-radius:var(--radius-md);border:1px solid var(--border-color);font-size:.875rem;transition:border-color .2s;box-sizing:border-box}.form-control:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f61a}.dashboard-layout{display:flex;min-height:100vh}.sidebar{width:250px;background-color:var(--primary-color);color:var(--text-main);display:flex;flex-direction:column;transition:width .3s ease;overflow:hidden;flex-shrink:0}.sidebar.collapsed{width:80px}.sidebar.collapsed .nav-item{justify-content:center;padding:.75rem}.sidebar-header{padding:1.5rem;font-weight:700;font-size:1.25rem;border-bottom:1px solid var(--primary-light)}.nav-item{padding:.75rem 1.5rem;color:var(--text-muted);text-decoration:none;transition:all .2s;display:flex;align-items:center;gap:.75rem}.nav-item:hover,.nav-item.active{color:#fff;background-color:var(--primary-light)}.main-content{flex:1;overflow-y:auto;background:var(--bg-color)}.top-bar{background:#fff;padding:1rem 2rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:999}.hamburger-btn{display:none;background:none;border:none;color:var(--primary-color);cursor:pointer;padding:.5rem}@media (max-width: 768px){.container,.card{padding:1rem}.sidebar{position:fixed;height:100vh;z-index:1000;transform:translate(-100%);width:250px;transition:transform .3s ease}.sidebar.mobile-open{transform:translate(0)}.sidebar.collapsed{width:250px}.mobile-overlay.active{display:block}.hamburger-btn{display:flex;align-items:center}.top-bar{padding:1rem}.top-controls{flex-direction:column;align-items:stretch;gap:.5rem}.top-controls button,.top-controls select,.top-controls input{width:100%}h1{font-size:1.5rem}}