:root{--bg-primary: #f5f0e8;--bg-card: #ffffff;--text-primary: #1a1a1a;--text-secondary: #666666;--accent-green: #22c55e;--accent-blue: #3b82f6;--border-color: #e5e5e5;--shadow: 0 4px 20px rgba(0, 0, 0, .08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);min-height:100vh;color:var(--text-primary)}#root{min-height:100vh;display:flex;flex-direction:column}.app{flex:1;display:flex;flex-direction:column;align-items:center;padding:60px 20px}.header{position:absolute;top:30px;left:40px;right:40px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-tabs{display:flex;gap:8px;background:var(--bg-card);padding:4px;border-radius:8px;box-shadow:0 1px 3px #0000001a}.nav-tab{padding:8px 20px;border:none;background:transparent;font-size:.9rem;cursor:pointer;border-radius:6px;transition:all .2s;color:var(--text-secondary)}.nav-tab:hover{color:var(--text-primary)}.nav-tab.active{background:var(--accent-blue);color:#fff}.hero{text-align:center;margin-top:80px;margin-bottom:40px}.hero h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:16px}.hero p{color:var(--text-secondary);font-size:1.1rem}.shortener-container{width:100%;max-width:600px}.input-group{display:flex;background:var(--bg-card);border-radius:50px;padding:8px;box-shadow:var(--shadow);margin-bottom:16px}.url-input{flex:1;border:none;padding:16px 24px;font-size:1rem;background:transparent;outline:none}.url-input::placeholder{color:#999}.shorten-btn{background:linear-gradient(135deg,var(--accent-blue),#8b5cf6);color:#fff;border:none;padding:16px 32px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,opacity .2s}.shorten-btn:hover{opacity:.9;transform:scale(1.02)}.shorten-btn:disabled{opacity:.6;cursor:not-allowed}.custom-alias-toggle{text-align:center;margin-bottom:16px}.toggle-btn{background:none;border:none;color:var(--text-secondary);font-size:.9rem;cursor:pointer;text-decoration:underline}.toggle-btn:hover{color:var(--text-primary)}.custom-alias-group{display:flex;background:var(--bg-card);border-radius:12px;padding:4px;box-shadow:var(--shadow);margin-bottom:24px}.alias-prefix{padding:12px 16px;color:var(--text-secondary);font-size:.95rem;border-right:1px solid var(--border-color)}.alias-input{flex:1;border:none;padding:12px 16px;font-size:.95rem;background:transparent;outline:none}.result-card{background:var(--bg-card);border-radius:16px;padding:32px;box-shadow:var(--shadow);text-align:center;margin-top:24px}.success-icon{width:48px;height:48px;background:var(--accent-green);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.success-icon svg{width:24px;height:24px;color:#fff}.result-card h3{color:var(--text-secondary);font-weight:500;margin-bottom:16px}.short-url-display{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:24px}.short-url{font-size:1.5rem;font-weight:700;color:var(--accent-blue)}.copy-btn{display:flex;align-items:center;gap:6px;background:var(--bg-primary);border:1px solid var(--border-color);padding:8px 16px;border-radius:8px;font-size:.9rem;cursor:pointer;transition:background .2s}.copy-btn:hover{background:#e8e3db}.copied{background:#dcfce7!important;border-color:var(--accent-green)!important;color:var(--accent-green)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 20px;border-radius:8px;margin-top:16px;text-align:center}.new-url-btn{background:none;border:1px solid var(--border-color);padding:12px 24px;border-radius:8px;font-size:.95rem;cursor:pointer;margin-top:16px}.new-url-btn:hover{background:var(--bg-primary)}@media(max-width:640px){.hero h1{font-size:2rem}.input-group{flex-direction:column;border-radius:16px}.shorten-btn{width:100%;border-radius:12px}}.auth-section,.user-menu{display:flex;align-items:center;gap:12px}.user-avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--accent-blue)}.user-name{font-size:.9rem;color:var(--text-secondary);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.auth-btn{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;border:none;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.login-btn{background:#fff;color:#333;box-shadow:0 1px 4px #00000026}.login-btn:hover{background:#f8f9fa;box-shadow:0 2px 8px #0003}.login-btn.large{padding:14px 28px;font-size:1rem}.logout-btn{background:transparent;color:var(--text-secondary);border:1px solid var(--text-muted)}.logout-btn:hover{background:#ffffff0d;color:var(--text-primary)}.google-icon{width:18px;height:18px}.auth-required-card{background:var(--bg-card);border-radius:20px;padding:48px;text-align:center;max-width:400px}.auth-required-card .lock-icon{font-size:3rem;margin-bottom:16px}.auth-required-card h3{margin:0 0 12px;font-size:1.5rem}.auth-required-card p{color:var(--text-secondary);margin:0 0 24px;line-height:1.6}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--bg-card);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-callback{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:20px}.stats-container{width:100%;max-width:800px;margin:0 auto}.stats-container h2{text-align:center;margin-bottom:24px;font-size:1.5rem}.stats-form{margin-bottom:24px}.input-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.stats-input{flex:1;min-width:200px;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-card)}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:.9rem;color:var(--text-secondary);cursor:pointer}.checkbox-label input{width:16px;height:16px}.fetch-btn{padding:12px 24px;background:var(--accent-blue);color:#fff;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:opacity .2s}.fetch-btn:hover{opacity:.9}.fetch-btn:disabled{opacity:.5;cursor:not-allowed}.stats-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px;border-radius:8px;text-align:center}.stats-results{background:var(--bg-card);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.stats-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.total-clicks{display:flex;flex-direction:column}.clicks-number{font-size:3rem;font-weight:800;color:var(--accent-blue);line-height:1}.clicks-label{font-size:.9rem;color:var(--text-secondary);margin-top:4px}.stats-meta{text-align:right}.long-url{color:var(--text-secondary);font-size:.85rem;margin:0}.filters{display:flex;gap:24px;margin-bottom:24px;flex-wrap:wrap}.filter-group{display:flex;align-items:center;gap:12px}.filter-group label{font-size:.9rem;color:var(--text-secondary)}.range-buttons{display:flex;gap:8px}.range-btn{padding:8px 16px;border:1px solid var(--border-color);background:var(--bg-primary);border-radius:6px;font-size:.85rem;cursor:pointer;transition:all .2s}.range-btn:hover{border-color:var(--accent-blue)}.range-btn.active{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}.interval-select{padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:.85rem;background:var(--bg-primary);cursor:pointer}.chart-container{margin-top:16px}.no-data{height:200px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:1rem}@media(max-width:640px){.input-row{flex-direction:column}.stats-input,.fetch-btn{width:100%}.stats-header{flex-direction:column;gap:12px}.stats-meta{text-align:left}.filters{flex-direction:column;gap:16px}.range-buttons{flex-wrap:wrap}}