.app-container{max-width:800px;margin:2rem auto;padding:1rem;text-align:center;font-family:system-ui,sans-serif}.app-header h1{font-size:2.5em;margin:0}.card{padding:2em;margin-bottom:1.5rem}.json-output{text-align:left;margin-top:1.5rem;padding:1rem;border-radius:8px;background-color:#1e1e1e;color:#d4d4d4;font-family:monospace;font-size:14px;line-height:1.4;overflow-x:auto}body.light .json-output{background-color:#f5f5f5;color:#333}.logo{height:1.8em;vertical-align:middle;margin-right:.3em}.spinner{display:inline-block;width:1em;height:1em;border:2px solid rgba(0,0,0,.2);border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle;margin-right:.5em;opacity:0;animation:spin .6s linear infinite,fadeIn .3s forwards}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{to{opacity:1}}.api-test-button[disabled]{opacity:.7;cursor:not-allowed}.api-test-button.light{color:#000}.api-test-button.dark{color:#fff}.button-text{display:inline-block;transition:opacity .3s ease}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark}body{margin:0;display:flex;justify-content:center;min-width:320px;min-height:100vh;background-color:#242424;color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body.light{background-color:#fff;color:#213547}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:#fff;cursor:pointer;transition:border-color .25s,background-color .2s,color .2s}body.light button{background-color:#f9f9f9;color:#000}button:hover{border-color:#646cff}.theme-toggle{position:fixed;top:1rem;right:1rem;z-index:200;font-size:1.5em;width:2.8em;height:2.8em;display:flex;align-items:center;justify-content:center;border-radius:50%;border:none;cursor:pointer;background:#1a1a1a;color:#fff;transition:background-color .2s,color .2s,transform .15s}.theme-toggle:hover{background-color:#ffffff1a;transform:scale(1.1)}body.light .theme-toggle{background-color:#f9f9f9;color:#000}body.light .theme-toggle:hover{background-color:#0000000d;transform:scale(1.1)}