:root{--bg: #0f1119;--bg-card: #1a1d2e;--bg-input: #252840;--text: #e1e4f0;--text-dim: #888ba0;--accent: #4f8ff7;--accent-hover: #3b7be0;--green: #34c759;--red: #ff4757;--orange: #ff9f43;--border: #2a2d40;--radius: 10px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--accent);text-decoration:none}input,select,textarea,button{font-family:inherit;font-size:14px}.sidebar{position:fixed;left:0;top:0;bottom:0;width:220px;background:var(--bg-card);border-right:1px solid var(--border);padding:20px 0;z-index:10}.sidebar .logo{padding:0 20px 20px;font-size:18px;font-weight:700;color:var(--accent);border-bottom:1px solid var(--border);margin-bottom:10px}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:12px 20px;color:var(--text-dim);font-size:14px;transition:all .15s;border-left:3px solid transparent}.sidebar nav a:hover,.sidebar nav a.active{color:var(--text);background:#4f8ff714;border-left-color:var(--accent)}.sidebar .nav-icon{font-size:18px;width:22px;text-align:center}.main{margin-left:220px;padding:30px;min-height:100vh}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card .label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .value.accent{color:var(--accent)}.stat-card .value.green{color:var(--green)}.stat-card .value.red{color:var(--red)}.stat-card .sub{font-size:12px;color:var(--text-dim);margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}tr:hover td{background:#4f8ff708}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{opacity:.85}.btn-sm{padding:5px 10px;font-size:12px}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-success{background:var(--green);color:#fff}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px;font-weight:500}.form-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--accent)}.badge{display:inline-block;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600}.badge-success{background:#34c75926;color:var(--green)}.badge-danger{background:#ff475726;color:var(--red)}.badge-warning{background:#ff9f4326;color:var(--orange)}.badge-info{background:#4f8ff726;color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;width:90%;max-width:500px;max-height:80vh;overflow-y:auto}.modal h3{margin-bottom:20px;font-size:18px}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.mb-4{margin-bottom:16px}.text-dim{color:var(--text-dim);font-size:13px}.text-right{text-align:right}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:48px;width:100%;max-width:400px}.login-card h1{font-size:24px;margin-bottom:8px}.login-card p{color:var(--text-dim);margin-bottom:32px;font-size:14px}.toast{position:fixed;top:20px;right:20px;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;z-index:200;animation:slideIn .3s ease}.toast-success{background:var(--green);color:#fff}.toast-error{background:var(--red);color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}