:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #2ecc71;--primary-glow: rgba(46, 204, 113, .4);--danger-color: #e74c3c;--danger-glow: rgba(231, 76, 60, .4);--secondary-action-color: #3498db;--secondary-action-glow: rgba(52, 152, 219, .4);--warning-color: #f39c12}body[data-theme=light]{--background-color: #f4f7f6;--secondary-background: #ffffff;--text-color: #34495e;--light-text-color: #7f8c8d;--border-color: #ecf0f1;--shadow-color: rgba(52, 73, 94, .1);--placeholder-bg: #f0f0f0;--placeholder-icon: #ccc;--pre-bg: #fafafa;--pre-text: #2c3e50;--modal-bg: rgba(0, 0, 0, .6);--hero-gradient-start: #a8e063;--hero-gradient-end: #56ab2f}body[data-theme=dark]{--background-color: #1a1a1a;--secondary-background: #2c2c2c;--text-color: #ecf0f1;--light-text-color: #95a5a6;--border-color: #3a3a3a;--shadow-color: rgba(0, 0, 0, .3);--placeholder-bg: #333;--placeholder-icon: #555;--pre-bg: #222;--pre-text: #bdc3c7;--modal-bg: rgba(0, 0, 0, .8);--hero-gradient-start: #2c5364;--hero-gradient-end: #203a43}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;margin:0;background-color:var(--background-color);color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s,color .3s}.container{max-width:1100px;margin:0 auto;padding:0 24px}.hero-section{padding:80px 0;text-align:center;background:linear-gradient(45deg,var(--hero-gradient-start),var(--hero-gradient-end));color:#fff;position:relative;transition:background .5s ease}.header-controls{position:absolute;top:20px;right:20px;left:20px;display:flex;justify-content:space-between;align-items:center}.auth-controls{display:flex;align-items:center;gap:12px}.auth-button,.theme-toggle-button{background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:10px 16px;font-size:.9rem;font-weight:500;color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:background-color .3s,transform 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p{font-size:1.25rem;max-width:600px;margin:0 auto;opacity:.9}.usage-info{margin-top:24px;background:#0003;display:inline-block;padding:10px 20px;border-radius:20px;font-size:1rem;font-weight:500;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.main-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:40px 0}@media (max-width: 768px){.main-content{grid-template-columns:1fr}}.content-card{background-color:var(--secondary-background);border-radius:12px;box-shadow:0 4px 12px var(--shadow-color);padding:32px;transition:transform .3s,box-shadow .3s,background-color .3s;position:relative}.content-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px var(--shadow-color)}.card-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:2px solid var(--border-color);margin-bottom:24px}.content-card h2{font-size:1.75rem;margin:0;padding:0;border:none}.reset-button-header{background-color:transparent;border:1px solid var(--border-color);color:var(--light-text-color);padding:8px 16px;font-size:.9rem;font-weight:500;border-radius:6px;cursor:pointer;transition:all .3s}.reset-button-header:hover{background-color:var(--border-color);color:var(--text-color)}.upload-section .image-placeholder{border:3px dashed var(--border-color);border-radius:10px;height:350px;display:flex;align-items:center;justify-content:center;cursor:pointer;background-color:var(--background-color);margin-bottom:24px;background-size:contain;background-repeat:no-repeat;background-position:center;transition:border-color .3s,background-color .3s,filter .3s;position:relative;overflow:hidden}.upload-section .image-placeholder.dragging{border-color:var(--primary-color);transform:scale(1.02)}.upload-section .image-placeholder:hover{border-color:var(--primary-color)}.image-placeholder[style*="cursor: not-allowed"]{filter:grayscale(.8) brightness(.9)}.image-placeholder 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.3s;width:40px;height:40px;line-height:40px;text-align:center;border-radius:50%}.modal-close-button:hover{color:var(--text-color);transform:scale(1.1);background-color:var(--border-color)}.modal-image{width:100%;max-height:50vh;object-fit:contain;background-color:var(--background-color)}.modal-diagnosis{padding:24px 32px 32px;overflow-y:auto}.modal-diagnosis h2{margin-top:0;margin-bottom:16px;font-size:1.5rem}.modal-diagnosis pre{white-space:pre-wrap;word-wrap:break-word;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;font-size:1rem;line-height:1.7;color:var(--pre-text);background:var(--background-color);padding:16px;border-radius:8px}.modal-diagnosis span{display:block;margin-top:24px;font-size:.9rem;color:var(--light-text-color);text-align:right}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-30px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.api-key-missing{text-align:center;padding:40px}footer{text-align:center;padding:40px 20px;margin-top:40px;color:var(--light-text-color);font-size:.9rem;border-top:1px solid var(--border-color)}