:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--border: #475569}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:1rem}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:1.5rem;display:flex;flex-direction:column}.sidebar-logo{font-size:1.5rem;font-weight:700;color:var(--accent);margin-bottom:2rem;display:flex;align-items:center;gap:.5rem}.sidebar-nav{display:flex;flex-direction:column;gap:.5rem;flex:1}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-secondary);transition:all .2s}.nav-item:hover,.nav-item.active{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--accent);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:600}.card{background:var(--bg-secondary);border-radius:.75rem;padding:1.5rem;border:1px solid var(--border)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-title{font-size:1.125rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:.5rem;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:.375rem .75rem;font-size:.875rem}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary)}.form-input{width:100%;padding:.75rem 1rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:.5rem;color:var(--text-primary);transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--accent)}.form-input::placeholder{color:var(--text-secondary)}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:.875rem 1rem;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:500;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}tbody tr:hover{background:var(--bg-tertiary)}.badge{display:inline-flex;padding:.25rem .625rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#22c55e33;color:var(--success)}.badge-warning{background:#f59e0b33;color:var(--warning)}.badge-error{background:#ef444433;color:var(--error)}.badge-info{background:#3b82f633;color:var(--accent)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--bg-secondary);border-radius:.75rem;padding:1.25rem;border:1px solid var(--border)}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.5rem}.stat-value{font-size:1.75rem;font-weight:700}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-secondary);border-radius:.75rem;padding:1.5rem;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;color:var(--text-secondary);padding:.25rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}.loading{display:flex;align-items:center;justify-content:center;padding:3rem}.spinner{width:2rem;height:2rem;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-primary) 0%,#1a1a2e 100%)}.login-box{background:var(--bg-secondary);border-radius:1rem;padding:2.5rem;width:100%;max-width:400px;border:1px solid var(--border)}.login-title{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:.5rem}.login-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:2rem}.toast-container{position:fixed;top:1rem;right:1rem;z-index:200;display:flex;flex-direction:column;gap:.5rem}.toast{padding:1rem 1.25rem;border-radius:.5rem;display:flex;align-items:center;gap:.75rem;animation:slideIn .3s ease}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--error);color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}