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button{flex:1;padding:.75rem;border:none;border-radius:0;background-color:var(--background-color);font-weight:500}.sidebar-tabs button.active{background-color:var(--white);border-bottom:2px solid var(--primary-color)}.sidebar-content{flex:1;overflow-y:auto;padding:1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.25rem;font-weight:500;font-size:.9rem}.form-group input,.form-group select{width:100%}@media (max-width: 768px){.sidebar{width:100%;max-height:300px}}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:var(--white);padding:1rem 2rem;box-shadow:var(--box-shadow);border-bottom:2px solid var(--primary-color)}.app-header h1{margin:0;font-size:1.8rem}.app-header .tagline{margin:0;color:var(--accent-color);font-size:.9rem}.app-layout{display:flex;flex:1;overflow:hidden}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden}@media (max-width: 768px){.app-layout{flex-direction:column}.app-header h1{font-size:1.4rem}}*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color: #8B5A2B;--secondary-color: #D4A574;--accent-color: #C19A6B;--background-color: #FAF6F1;--text-color: #3D3D3D;--white: #FFFFFF;--border-color: #E0E0E0;--border-radius: 8px;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1);font-family:Helvetica Neue,Arial,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:var(--text-color);background-color:var(--background-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:Georgia,serif;color:var(--primary-color);margin-bottom:.5rem}button{border-radius:var(--border-radius);border:1px solid var(--border-color);padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--white);cursor:pointer;transition:all .25s}button:hover{background-color:var(--primary-color);color:var(--white);border-color:var(--primary-color)}button:focus,button:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}input,select,textarea{font-family:inherit;font-size:1em;padding:.5em;border:1px solid var(--border-color);border-radius:var(--border-radius)}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary-color);outline-offset:0}