:root{--bg-primary: #0f1419;--bg-secondary: #1a1f2e;--bg-card: #232936;--text-primary: #e7e9ea;--text-secondary: #8b98a5;--accent-blue: #1d9bf0;--accent-green: #00ba7c;--accent-red: #f4212e;--accent-yellow: #ffd400;--accent-purple: #7856ff;--border-color: #2f3542}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}.container{max-width:1400px;margin:0 auto;padding:0 20px}.card{background-color:var(--bg-card);border-radius:12px;padding:20px;border:1px solid var(--border-color)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-title{font-size:1.1rem;font-weight:600}.stat-value{font-size:2rem;font-weight:700}.stat-label{font-size:.875rem;color:var(--text-secondary)}.stat-change{font-size:.875rem;display:flex;align-items:center;gap:4px}.stat-change.positive{color:var(--accent-green)}.stat-change.negative{color:var(--accent-red)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1200px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.btn{padding:8px 16px;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;border:none}.btn-primary{background-color:var(--accent-blue);color:#fff}.loading{display:flex;justify-content:center;padding:40px;color:var(--text-secondary)}.error{color:var(--accent-red);padding:20px;text-align:center}.time-range-selector{display:flex;gap:8px}.time-range-btn{padding:6px 12px;border-radius:6px;font-size:.75rem;font-weight:500;cursor:pointer;border:1px solid var(--border-color);background-color:transparent;color:var(--text-secondary);transition:all .2s}.time-range-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.time-range-btn.active{background-color:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.navbar{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.nav-brand{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.nav-links{display:flex;gap:8px}.nav-link{padding:8px 16px;border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:all .2s}.nav-link:hover{color:var(--text-primary);background-color:var(--bg-card)}.nav-link.active{color:var(--accent-blue);background-color:#1d9bf01a}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){border-color:var(--text-secondary);color:var(--text-primary)}.btn:disabled{opacity:.5;cursor:not-allowed}.alert{padding:12px 16px;border-radius:8px;font-size:.875rem}.alert-success{background-color:#00ba7c26;color:var(--accent-green);border:1px solid var(--accent-green)}.alert-error{background-color:#f4212e26;color:var(--accent-red);border:1px solid var(--accent-red)}.status-badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:.75rem;font-weight:500}.status-active{background-color:#00ba7c26;color:var(--accent-green)}.notification-list{display:flex;flex-direction:column}.notification-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-color)}.notification-item:last-child{border-bottom:none}.notification-info{flex:1}.notification-title{font-size:.9rem;font-weight:500;margin-bottom:4px}.notification-desc{font-size:.8rem;color:var(--text-secondary)}.toggle{position:relative;display:inline-block;width:48px;height:26px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:26px;transition:.2s}.toggle-slider:before{position:absolute;content:"";height:20px;width:20px;left:2px;bottom:2px;background-color:var(--text-secondary);border-radius:50%;transition:.2s}.toggle input:checked+.toggle-slider{background-color:var(--accent-blue);border-color:var(--accent-blue)}.toggle input:checked+.toggle-slider:before{transform:translate(22px);background-color:#fff}@keyframes skeleton-pulse{0%,to{opacity:.4}50%{opacity:.8}}.skeleton{background:var(--bg-secondary);border-radius:8px;animation:skeleton-pulse 1.5s ease-in-out infinite}.card:hover{border-color:var(--accent-blue);box-shadow:0 4px 12px #1d9bf01a;transform:translateY(-1px);transition:all .2s ease}.btn:hover{transform:scale(1.02);transition:transform .2s ease}.btn:active{transform:scale(.98)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:24px;height:24px;border:3px solid var(--bg-secondary);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.error-card{background-color:#f4212e26;border:1px solid var(--accent-red);border-radius:8px;padding:20px;text-align:center}.error-card-icon{font-size:2rem;color:var(--accent-red);margin-bottom:12px}.error-card-title{font-size:1rem;font-weight:600;color:var(--accent-red);margin-bottom:8px}.error-card-message{font-size:.875rem;color:var(--text-secondary);margin-bottom:16px}.nav-hamburger{display:none;width:44px;height:44px;border:none;background:transparent;color:var(--text-primary);font-size:1.5rem;cursor:pointer;align-items:center;justify-content:center}.nav-mobile-menu{display:none;position:fixed;top:57px;left:0;right:0;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:16px;flex-direction:column;gap:8px;z-index:1000;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nav-mobile-menu.open{display:flex}@media(max-width:768px){.nav-hamburger{display:flex}.nav-links{display:none}.time-range-btn{min-width:44px;min-height:44px;padding:8px 16px}.btn{min-width:44px;min-height:44px}}