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h1{font-size:1.5rem;color:var(--text-primary)}.header-right{display:flex;align-items:center;gap:1rem}.username{color:var(--text-secondary);font-weight:500;font-size:.95rem}.btn-logout{background:var(--background);color:var(--text-primary);padding:.625rem 1.25rem;border-radius:8px;font-weight:500;font-size:.9rem;border:1px solid var(--border)}.btn-logout:hover{background:var(--border);border-color:var(--text-secondary)}.app-main{flex:1;padding:2rem 0}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.app-footer{background:var(--surface);border-top:1px solid var(--border);padding:1.5rem 0;text-align:center}.app-footer p{color:var(--text-secondary);font-size:.9rem}.app-loading{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.app-loading p{color:var(--text-secondary)}.spinner-large{width:3rem;height:3rem;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@media (max-width: 768px){.header-content{padding:0 1rem}.header-left h1{font-size:1.25rem}.username{display:none}.container{padding:0 1rem}.app-main{padding:1.5rem 0}}@media (max-width: 480px){.header-left h1{font-size:1.1rem}.btn-logout{padding:.5rem 1rem;font-size:.85rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4F46E5;--primary-dark: #4338CA;--primary-light: #6366F1;--success: #10B981;--error: #EF4444;--warning: #F59E0B;--background: #F9FAFB;--surface: #FFFFFF;--text-primary: #111827;--text-secondary: #6B7280;--border: #E5E7EB;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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