*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #ff4757;--color-secondary: #5352ed;--color-success: #2ed573;--color-warning: #ffa502;--color-error: #ff4757;--color-text: #2f3542;--color-text-light: #57606f;--color-background: #f1f2f6;--color-surface: #ffffff;--color-border: #ddd;--shadow: 0 2px 10px rgba(0, 0, 0, .1);--border-radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-background);color:var(--color-text);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:var(--color-background)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.app-header{background:var(--color-surface);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center;padding:20px 0}.logo h1{color:var(--color-primary);font-size:24px;font-weight:700}.tagline{color:var(--color-text-light);font-size:12px}.status{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--border-radius);font-size:14px;font-weight:500}.status--success{background:rgba(46,213,115,.1);color:var(--color-success)}.status--error{background:rgba(255,71,87,.1);color:var(--color-error)}.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.app-main{padding:40px 0}.app-grid{display:grid;grid-template-columns:1fr 320px;gap:30px}@media (max-width: 768px){.app-grid{grid-template-columns:1fr;gap:20px}}.card{background:var(--color-surface);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:24px;margin-bottom:24px}.card h2{margin-bottom:20px;color:var(--color-text);font-size:20px}.card h3{margin-bottom:16px;color:var(--color-text);font-size:16px}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.metric-card{background:var(--color-surface);padding:24px;border-radius:var(--border-radius);box-shadow:var(--shadow);text-align:center}.metric-value{font-size:32px;font-weight:700;color:var(--color-primary);margin-bottom:8px}.metric-label{color:var(--color-text-light);font-size:14px;margin-bottom:8px}.metric-change{font-size:12px;font-weight:500}.metric-change.positive{color:var(--color-success)}.metric-change.negative{color:var(--color-error)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--color-text)}.form-input,.form-textarea,.form-select{width:100%;padding:12px;border:1px solid var(--color-border);border-radius:var(--border-radius);font-size:14px;background:var(--color-surface);transition:border-color .2s}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--color-primary)}.form-textarea{resize:vertical;min-height:100px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:none;border-radius:var(--border-radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;gap:8px}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:#ff3742;transform:translateY(-1px)}.btn--secondary{background:var(--color-secondary);color:#fff}.btn--success{background:var(--color-success);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.chart-container{position:relative;height:300px;margin:20px 0}.activity-feed{max-height:400px;overflow-y:auto}.activity-item{display:flex;align-items:center;padding:12px 0;border-bottom:1px solid var(--color-border)}.activity-item:last-child{border-bottom:none}.activity-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-right:12px;font-size:14px}.activity-icon--success{background:rgba(46,213,115,.1);color:var(--color-success)}.activity-icon--warning{background:rgba(255,165,2,.1);color:var(--color-warning)}.activity-content{flex:1}.activity-text{font-size:14px;color:var(--color-text)}.activity-time{font-size:12px;color:var(--color-text-light)}@media (max-width: 768px){.container{padding:0 16px}.metrics-grid{grid-template-columns:1fr}.app-main{padding:20px 0}.header-content{flex-direction:column;gap:16px;text-align:center}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card{animation:fadeIn .5s ease-out}