:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-card: #1e2130;--bg-card-hover: #252840;--bg-input: #151822;--border-color: #2a2e3f;--border-active: #6366f1;--text-primary: #e8eaf0;--text-secondary: #9ca3af;--text-muted: #6b7280;--text-accent: #818cf8;--accent-primary: #6366f1;--accent-primary-hover: #4f46e5;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);--success: #34d399;--success-bg: rgba(52, 211, 153, .1);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .1);--warning: #fbbf24;--warning-bg: rgba(251, 191, 36, .1);--info: #60a5fa;--info-bg: rgba(96, 165, 250, .1);--google-play: #34a853;--app-store: #0a84ff;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15);--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--text-accent);text-decoration:none}a:hover{color:var(--accent-primary)}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:1.5rem 0;position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;transition:transform var(--transition-normal)}.sidebar-logo{padding:0 1.5rem 1.5rem;border-bottom:1px solid var(--border-color);margin-bottom:1rem}.sidebar-logo h1{font-size:1.25rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.sidebar-logo p{font-size:.75rem;color:var(--text-muted);margin-top:2px}.sidebar-nav{flex:1;padding:0 .75rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.65rem 1rem;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition-fast);cursor:pointer;margin-bottom:2px;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:#6366f11f;color:var(--accent-primary)}.nav-item svg{width:18px;height:18px;flex-shrink:0}.main-content{flex:1;margin-left:260px;padding:2rem;max-width:calc(100vw - 260px)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h2{font-size:1.5rem;font-weight:700;letter-spacing:-.5px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition-normal)}.card:hover{border-color:#6366f133;box-shadow:var(--shadow-glow)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.25rem;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-gradient);opacity:0;transition:opacity var(--transition-normal)}.stat-card:hover:before{opacity:1}.stat-card .stat-label{font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.stat-card .stat-value{font-size:2rem;font-weight:800;margin-top:.25rem;letter-spacing:-1px}.stat-card .stat-change{font-size:.8rem;font-weight:600;margin-top:.25rem;display:flex;align-items:center;gap:4px}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem 1.1rem;border-radius:var(--radius-md);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);border:none;font-family:inherit}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 8px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #6366f166}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent-primary)}.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid transparent}.btn-danger:hover{background:#f8717133}.btn-sm{padding:.35rem .75rem;font-size:.78rem}.btn-icon{padding:.45rem;border-radius:var(--radius-sm)}.form-group{margin-bottom:1rem}.form-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:.35rem}.form-input,.form-select{width:100%;padding:.6rem .85rem;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:border-color var(--transition-fast)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-muted)}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:.75rem 1rem;font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color)}.data-table td{padding:.85rem 1rem;font-size:.9rem;border-bottom:1px solid var(--border-color)}.data-table tr:hover td{background:#6366f10a}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.3px}.badge-success{background:var(--success-bg);color:var(--success)}.badge-danger{background:var(--danger-bg);color:var(--danger)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-info{background:var(--info-bg);color:var(--info)}.badge-gplay{background:#34a8531f;color:var(--google-play)}.badge-appstore{background:#0a84ff1f;color:var(--app-store)}.rank-up{color:var(--success);display:inline-flex;align-items:center;gap:2px;font-weight:600}.rank-down{color:var(--danger);display:inline-flex;align-items:center;gap:2px;font-weight:600}.rank-neutral{color:var(--text-muted)}.chart-container{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem}.chart-title{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:2rem;width:100%;max-width:480px;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}.modal h3{font-size:1.15rem;font-weight:700;margin-bottom:1.5rem}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:2rem}.auth-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:2.5rem;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.auth-card h1{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:.5rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-card .subtitle{text-align:center;color:var(--text-muted);font-size:.85rem;margin-bottom:2rem}.auth-card .btn-primary{width:100%;justify-content:center;padding:.75rem}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.85rem;color:var(--text-muted)}.alert{padding:.75rem 1rem;border-radius:var(--radius-md);font-size:.85rem;margin-bottom:1rem}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(248,113,113,.2)}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(52,211,153,.2)}.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-center{display:flex;align-items:center;justify-content:center;min-height:200px}.empty-state{text-align:center;padding:3rem 2rem;color:var(--text-muted)}.empty-state svg{width:48px;height:48px;margin-bottom:1rem;opacity:.4}.empty-state h3{font-size:1.1rem;color:var(--text-secondary);margin-bottom:.5rem}.ai-report{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.5rem;line-height:1.8;max-width:1000px}.markdown-content h1,.markdown-content h2,.markdown-content h3{margin-top:2rem;margin-bottom:1rem;color:var(--text-primary);font-weight:700;letter-spacing:-.3px}.markdown-content h2{border-bottom:2px solid var(--border-color);padding-bottom:.5rem}.markdown-content p{margin-bottom:1.25rem;color:var(--text-secondary)}.markdown-content ul,.markdown-content ol{padding-left:1.5rem;margin-bottom:1.5rem}.markdown-content li{margin-bottom:.5rem;color:var(--text-secondary)}.markdown-content table{width:100%;border-collapse:separate;border-spacing:0;margin:1.5rem 0;border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden}.markdown-content th,.markdown-content td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--border-color);font-size:.9rem}.markdown-content th{background:var(--bg-secondary);color:var(--text-secondary);font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:.5px}.markdown-content tr:last-child td{border-bottom:none}.markdown-content tr:nth-child(2n) td{background:#ffffff05}.markdown-content blockquote{border-left:4px solid var(--accent-primary);padding:.5rem 1rem;background:#6366f10d;margin:1rem 0;font-style:italic;color:var(--text-muted)}.markdown-content code{background:var(--bg-secondary);padding:.2rem .4rem;border-radius:4px;font-family:JetBrains Mono,Fira Code,monospace;font-size:.85rem;color:var(--success)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:1rem;max-width:100vw}.card-grid{grid-template-columns:1fr}.page-header{flex-direction:column;gap:1rem;align-items:flex-start}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}