:root{--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16213e;--bg-card-hover:#1c2a4a;--bg-input:#0a3d62;--text-primary:#e8e8f0;--text-secondary:#a0a0b8;--text-muted:#6c6c85;--accent:#667eea;--accent-hover:#7c93ff;--accent-gradient:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--success:#11998e;--success-light:#11998e26;--warning:#f39c12;--warning-light:#f39c1226;--danger:#e74c3c;--danger-light:#e74c3c26;--border:#ffffff14;--border-active:#667eea66;--shadow-sm:0 2px 8px #0003;--shadow-md:0 8px 32px #0000004d;--shadow-lg:0 16px 64px #0006;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition:all .2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}@font-face{font-family:Inter;src:local(Inter);font-display:swap}html{font-size:16px}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}a{color:var(--accent);transition:var(--transition);text-decoration:none}a:hover{color:var(--accent-hover)}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);z-index:100;flex-direction:column;width:260px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;padding:24px 20px;font-size:20px;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.sidebar-nav a{border-radius:var(--radius-sm);color:var(--text-secondary);transition:var(--transition);align-items:center;gap:12px;padding:10px 14px;font-size:14px;display:flex}.sidebar-nav a:hover{color:var(--text-primary);background:#ffffff0d}.sidebar-nav a.active{color:var(--accent);background:#667eea26;font-weight:500}.sidebar-nav svg{flex-shrink:0;width:20px;height:20px}.main-content{flex:1;min-height:100vh;margin-left:260px;padding:32px}.page-header{margin-bottom:32px}.page-header h1{margin-bottom:4px;font-size:28px;font-weight:700}.page-header p{color:var(--text-secondary);font-size:14px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:24px}.card:hover{border-color:var(--border-active)}.card-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:8px;padding:24px;display:flex}.stat-card .label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px}.stat-card .value{font-size:32px;font-weight:700}.stat-card .change{font-size:13px}.stat-card .change.positive{color:var(--success)}.stat-card .change.negative{color:var(--danger)}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);font-size:14px;font-weight:500;font-family:var(--font-family);border:none;align-items:center;gap:8px;padding:10px 20px;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.form-group{margin-bottom:20px}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-size:14px;font-family:var(--font-family);transition:var(--transition);padding:10px 14px}.form-input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #667eea26}.form-input::placeholder{color:var(--text-muted)}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);padding:12px 16px;font-size:12px;font-weight:600}.data-table td{border-bottom:1px solid var(--border);padding:14px 16px;font-size:14px}.data-table tr:hover td{background:#ffffff05}.badge{border-radius:20px;align-items:center;padding:4px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.login-page{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:48px 40px}.login-card h1{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:28px;font-weight:700}.login-card .subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.login-card .btn{justify-content:center;width:100%;padding:12px}.login-error{background:var(--danger-light);color:var(--danger);border-radius:var(--radius-sm);margin-bottom:16px;padding:10px 14px;font-size:13px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:500px;max-height:90vh;box-shadow:var(--shadow-lg);padding:32px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-header h2{font-size:20px;font-weight:600}.modal-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px;font-size:24px;line-height:1}.loading-spinner{justify-content:center;padding:40px;display:flex}.loading-spinner:after{content:"";border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.sidebar{width:100%;position:relative}.main-content{margin-left:0}.app-layout{flex-direction:column}.card-grid{grid-template-columns:1fr}}