body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--primary-color: #0070f3;--primary-hover: #005bb5;--secondary-color: #1a1a1a;--background-color: #ffffff;--card-background: #f9f9f9;--text-color: #333;--text-light: #666;--border-color: #eaeaea;--border-radius: 8px;--shadow: 0 4px 14px 0 rgba(0, 0, 0, .05);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--success-color: #28a745}@media (prefers-color-scheme: dark){:root{--primary-color: #00a0ff;--primary-hover: #007ce0;--secondary-color: #f0f0f0;--background-color: #121212;--card-background: #1e1e1e;--text-color: #e0e0e0;--text-light: #999;--border-color: #333}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.6}.app-container{max-width:1200px;margin:0 auto;padding:0 24px}main{padding:48px 0}.header{display:flex;justify-content:space-between;align-items:center;padding:24px 0;border-bottom:1px solid var(--border-color)}.logo a{font-size:24px;font-weight:700;color:var(--primary-color);text-decoration:none}.btn{padding:10px 20px;border:none;border-radius:var(--border-radius);font-size:16px;font-weight:500;cursor:pointer;transition:all .2s ease-in-out}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:#fff}.btn-large{padding:14px 28px;font-size:18px}.hero{text-align:center;padding:80px 0}.hero-title{font-size:48px;font-weight:700;margin-bottom:16px;line-height:1.2}.hero-subtitle{font-size:20px;color:var(--text-light);margin-bottom:32px}.features{padding:60px 0;text-align:center}.section-title{font-size:36px;font-weight:600;margin-bottom:48px;text-align:center}.feature-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.feature-card{background-color:var(--card-background);padding:32px;border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow);text-align:left}.feature-card h3{font-size:20px;font-weight:600;margin-bottom:12px}.feature-card p{color:var(--text-light)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px}.user-profile{display:flex;align-items:center;gap:12px}.profile-image{width:40px;height:40px;border-radius:50%}.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.dashboard-card{background-color:var(--card-background);padding:32px;border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow)}.dashboard-card h3{font-size:20px;font-weight:600;margin-bottom:24px}.wallet-info p{margin-bottom:16px;display:flex;align-items:center;gap:8px}.status-dot{width:10px;height:10px;background-color:var(--success-color);border-radius:50%;display:inline-block}.address-bar{display:flex;align-items:center;background-color:var(--background-color);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:8px}.address-label{font-weight:700;margin-right:8px}.address-text{flex-grow:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:monospace}.btn-copy{background:transparent;border:none;cursor:pointer;padding:4px;display:flex;align-items:center;color:var(--text-light)}.btn-copy:hover{color:var(--primary-color)}.dashboard-actions{display:flex;gap:16px}.transak-button{padding:10px 20px;margin:0;font-size:16px;color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;font-weight:500;transition:all .2s ease-in-out;flex-grow:1}.transak-button.buy{background-color:#00bcd4}.transak-button.buy:hover{background-color:#0097a7}.transak-button.sell{background-color:#ff5722}.transak-button.sell:hover{background-color:#e64a19}.error-banner{width:100%;background-color:#ff4d4f;color:#fff;padding:16px;text-align:center;border-radius:var(--border-radius);margin-bottom:24px}.loading-spinner{border:4px solid rgba(0,0,0,.1);border-left-color:var(--primary-color);border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.footer{text-align:center;padding:48px 0;border-top:1px solid var(--border-color);color:var(--text-light)}.footer p{margin:0}