:root{--bg-primary: #0f1419;--bg-secondary: #1a2332;--bg-card: #1e2a3a;--bg-elevated: #243447;--accent: #3b82f6;--accent-hover: #2563eb;--accent-soft: rgba(59, 130, 246, .15);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border: #334155;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--font: "DM Sans", system-ui, sans-serif;--mono: "JetBrains Mono", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.app-layout{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:.875rem 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo{display:flex;align-items:center;gap:.625rem;font-weight:700;font-size:1.25rem;color:var(--text-primary);text-decoration:none}.logo:hover{text-decoration:none}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),#8b5cf6);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.nav-links{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.nav-link{padding:.5rem 1rem;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-weight:500;transition:all .2s}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:var(--bg-elevated);text-decoration:none}.main-content{flex:1;padding:2rem 0 4rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--radius-sm);border:none;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}.btn:hover{text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-elevated);color:var(--text-primary)}.btn-sm{padding:.375rem .75rem;font-size:.875rem}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1.25rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.875rem}.form-input{width:100%;padding:.75rem 1rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.form-input::placeholder{color:var(--text-muted)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.card-title{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.hero{text-align:center;padding:3rem 0 2rem}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:700;line-height:1.2;margin-bottom:1rem;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{color:var(--text-secondary);font-size:1.125rem;max-width:560px;margin:0 auto 2rem}.shorten-form{max-width:680px;margin:0 auto}.shorten-input-group{display:flex;gap:.75rem;flex-wrap:wrap}.shorten-input-group .form-input{flex:1;min-width:200px}.shorten-result{margin-top:1.5rem;padding:1rem 1.25rem;background:var(--accent-soft);border:1px solid rgba(59,130,246,.3);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.shorten-result-url{font-family:var(--mono);font-size:.95rem;color:var(--accent);word-break:break-all}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.stat-value{font-size:2rem;font-weight:700;color:var(--accent);line-height:1}.stat-label{color:var(--text-secondary);font-size:.875rem;margin-top:.5rem}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:.875rem 1rem;text-align:left;border-bottom:1px solid var(--border)}.data-table th{color:var(--text-secondary);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}.data-table tr:hover td{background:var(--bg-elevated)}.url-cell{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mono{font-family:var(--mono);font-size:.875rem}.badge{display:inline-block;padding:.25rem .625rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-success{background:#10b98133;color:var(--success)}.badge-danger{background:#ef444433;color:var(--danger)}.auth-page{min-height:calc(100vh - 80px);display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{width:100%;max-width:420px}.auth-card h2{text-align:center;margin-bottom:.5rem}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:2rem}.auth-footer{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.875rem}.alert{padding:.875rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.875rem}.alert-error{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:#10b98126;border:1px solid rgba(16,185,129,.3);color:#6ee7b7}.alert-info{background:var(--accent-soft);border:1px solid rgba(59,130,246,.3);color:#93c5fd}.toolbar{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap;align-items:center}.toolbar .form-input{max-width:280px}.page-header{margin-bottom:2rem}.page-header h1{font-size:1.75rem;margin-bottom:.5rem}.page-header p{color:var(--text-secondary)}.actions-cell{display:flex;gap:.5rem;flex-wrap:wrap}.notification-list{display:flex;flex-direction:column;gap:.75rem}.notification-item{padding:1rem;background:var(--bg-elevated);border-radius:var(--radius-sm);border-left:3px solid var(--accent)}.notification-item.read{opacity:.6;border-left-color:var(--border)}.notification-time{font-size:.75rem;color:var(--text-muted);margin-top:.25rem}.loading{text-align:center;padding:3rem;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-secondary)}.empty-state-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;max-width:480px;width:100%}.modal h3{margin-bottom:1rem}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}@media (max-width: 640px){.navbar-inner{flex-direction:column;align-items:stretch}.nav-links{justify-content:center}.shorten-input-group{flex-direction:column}.data-table th:nth-child(3),.data-table td:nth-child(3){display:none}}