:root{--bg-color: #f9f7f3;--card-bg: #ffffff;--muted-bg: #f1f3f5;--border: #eeeeee;--text-dark: #3e362e;--text-light: #8a817c;--text-muted: #999999;--primary: #4a3f36;--accent-text: #4a3f36;--like-hover: #ffe3e3;--hover-bg: #efeae3;--nav-bg: rgba(255, 255, 255, .7);--nav-border: rgba(255, 255, 255, .5);color-scheme:light}[data-theme=dark]{--bg-color: #17140f;--card-bg: #221d18;--muted-bg: #2e2720;--border: #38302a;--text-dark: #ece5db;--text-light: #a99e90;--text-muted: #8a7f72;--primary: #6f5d4c;--accent-text: #d8c4a0;--like-hover: #4a2e2e;--hover-bg: #2e2720;--nav-bg: rgba(34, 29, 24, .75);--nav-border: rgba(255, 255, 255, .08);color-scheme:dark}body{font-family:Pretendard,sans-serif;background:var(--bg-color);word-break:keep-all;overflow-wrap:anywhere;margin:0;padding:0;color:var(--text-dark);overflow-x:hidden;transition:background .2s,color .2s}#loginSection{display:flex;align-items:center;justify-content:center;height:100vh;padding:20px;box-sizing:border-box}.login-card{background:var(--card-bg);padding:40px 30px;border-radius:25px;box-shadow:0 10px 40px #0000000f;max-width:350px;width:100%;text-align:center}.login-icon-circle{background:var(--muted-bg);width:64px;height:64px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:24px;color:var(--accent-text)}.login-card h1{font-size:26px;margin:0 0 8px}.login-card .login-desc{font-size:13px;color:var(--text-muted);margin:0}.login-prompt{margin:20px auto 0}.btn-google{background:var(--card-bg);color:var(--text-dark);padding:12px;border:1px solid var(--border);border-radius:30px;font-weight:600;cursor:pointer;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;margin-top:25px}header{display:flex;align-items:center;justify-content:center;padding:15px 20px;position:relative;background:var(--bg-color);z-index:100}header h2{margin:0;font-size:18px;font-weight:800;letter-spacing:.5px}.logout-btn{position:absolute;right:20px;background:none;border:none;cursor:pointer;color:var(--text-dark);padding:0;display:flex}.theme-toggle{position:absolute;left:20px;background:none;border:none;cursor:pointer;color:var(--text-dark);padding:0;display:flex}.desktop-nav{display:none;gap:30px;margin:0 40px}.desktop-nav button{background:none;border:none;font-size:14px;font-weight:600;color:var(--text-light);cursor:pointer;font-family:inherit;padding:0 0 4px}.desktop-nav button.active{color:var(--text-dark);border-bottom:2px solid var(--text-dark)}.tab-content{padding:10px 20px;animation:fadeIn .3s ease;text-align:center}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.upload-section{max-width:600px;margin:0 auto}.upload-section h1{font-size:26px;margin:30px 0 10px}.upload-section .upload-desc{color:var(--text-light);font-size:14px;margin-bottom:30px}.upload-card{background:var(--card-bg);border-radius:30px;padding:60px 20px;box-shadow:0 4px 25px #0000000d;border:1px solid var(--border);cursor:pointer;margin-top:20px}.upload-card h3{font-size:18px;margin:0 0 5px}.upload-card p{font-size:13px;color:var(--text-light);margin:0}.camera-icon-circle{background:var(--primary);color:#fff;width:64px;height:64px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px}.upload-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}.btn-camera,.btn-gallery{display:block;padding:12px 20px;border-radius:30px;font-weight:700;font-size:14px;font-family:inherit;cursor:pointer;text-align:center}.btn-camera{background:var(--primary);color:#fff;border:none}.btn-gallery{background:transparent;color:var(--text-dark);border:1px solid var(--border)}.btn-retake{display:block;margin:16px auto 0;background:none;border:none;color:var(--text-light);font-size:13px;text-decoration:underline;cursor:pointer;font-family:inherit}.camera-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;z-index:3000;display:flex;align-items:center;justify-content:center}.camera-video{width:100%;height:100%;object-fit:cover}.camera-close-btn{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:#0006;color:#fff;border:none;font-size:24px;line-height:1;cursor:pointer}.camera-controls{position:absolute;bottom:40px;left:0;right:0;display:flex;justify-content:center}.camera-shutter-btn{width:72px;height:72px;border-radius:50%;background:#fff;border:4px solid rgba(255,255,255,.5);cursor:pointer}.camera-error{color:#fff;text-align:center;padding:0 30px}.camera-error p{margin-bottom:20px}.camera-error button{padding:10px 24px;border-radius:30px;border:1px solid #fff;background:transparent;color:#fff;font-family:inherit;cursor:pointer}.public-check-row{font-size:13px;margin-top:25px}.public-need-login{color:var(--text-muted)}.link-login{background:none;border:none;padding:0;color:var(--accent-text);font-family:inherit;font-size:13px;font-weight:600;text-decoration:underline;cursor:pointer}.public-check-row input{vertical-align:middle}.btn-analyze{margin-top:20px;padding:12px 35px;background:var(--primary);color:#fff;border-radius:30px;border:none;font-weight:700;cursor:pointer;font-family:inherit;font-size:15px}.btn-analyze:disabled{opacity:.6;cursor:not-allowed}.loading-spinner{margin:25px 0;color:var(--text-light);font-weight:600}.loading-spinner:after{content:"";display:block;width:22px;height:22px;margin:12px auto 0;border:3px solid var(--muted-bg);border-top-color:var(--accent-text);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.score-badge{display:flex;flex-direction:column;align-items:center;gap:8px;margin:4px auto 20px}.score-ring{width:96px;height:96px;border-radius:50%;background:conic-gradient(var(--score-color) var(--score-deg),var(--muted-bg) 0);display:flex;align-items:center;justify-content:center}.score-number{width:76px;height:76px;border-radius:50%;background:var(--card-bg);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:var(--score-color)}.score-label{font-size:13px;font-weight:700;color:var(--score-color)}.score-chip{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:10px;background:var(--muted-bg);color:var(--accent-text);font-size:11px;font-weight:700;vertical-align:middle}.result-card{margin-top:30px;background:var(--card-bg);padding:25px;border-radius:20px;text-align:left;word-break:keep-all;font-size:14px;line-height:1.7;box-shadow:0 4px 25px #0000000d}.result-card h4{margin:0 0 15px}.result-section{margin-bottom:18px}.result-section:last-child{margin-bottom:0}.result-section-title{font-weight:700;font-size:15px;color:var(--accent-text);margin-bottom:7px}.result-section p{margin:0 0 6px;line-height:1.7}.result-section ul{margin:4px 0 0;padding-left:20px}.result-section li{line-height:1.7;margin-bottom:3px}.result-card.error{color:#e07a6f}.share-btn{margin-top:16px;display:inline-flex;align-items:center;gap:6px;background:var(--muted-bg);color:var(--text-dark);border:none;border-radius:20px;padding:8px 16px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;transition:.2s}.share-btn:hover{background:var(--hover-bg)}.share-btn .material-symbols-outlined{font-size:18px}.section-title{font-size:20px;font-weight:800;margin-bottom:20px;text-align:left}.history-search{width:100%;box-sizing:border-box;padding:11px 16px;margin-bottom:16px;border:1px solid var(--border);border-radius:14px;background:var(--card-bg);color:var(--text-dark);font-size:14px;font-family:inherit}.history-search::placeholder{color:var(--text-muted)}.history-search:focus{outline:none;border-color:var(--accent-text)}.history-list-item{background:var(--card-bg);border-radius:15px;padding:12px;display:flex;gap:15px;align-items:center;margin-bottom:12px;text-align:left}.history-list-item img{width:60px;height:60px;border-radius:10px;object-fit:cover;flex-shrink:0}.history-list-item .history-title{font-weight:700;font-size:14px}.history-list-item .history-date{font-size:12px;color:var(--text-muted)}.history-main{display:flex;gap:15px;align-items:center;flex:1;min-width:0;cursor:pointer}.history-list-item .item-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.like-btn{display:inline-flex;align-items:center;gap:4px;background:var(--muted-bg);border:none;border-radius:20px;padding:6px 12px;cursor:pointer;font-size:13px;color:var(--text-dark);font-family:inherit;transition:.2s}.like-btn:hover{background:var(--like-hover)}.delete-btn{background:none;border:none;color:#e07a6f;cursor:pointer;font-size:22px;line-height:1;padding:2px 8px}.grid-item{position:relative}.grid-item .like-overlay{position:absolute;bottom:8px;right:8px;background:#0000008c;color:#fff;border:none;padding:5px 10px;border-radius:20px;display:flex;align-items:center;gap:5px;font-size:12px;cursor:pointer;font-family:inherit;transition:.2s}.grid-item .like-overlay:hover{background:#dc3232bf}.masonry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.grid-item img{width:100%;border-radius:12px;object-fit:cover;display:block}.empty-state{color:var(--text-light);font-size:14px;padding:40px 0;text-align:center}.error-screen{max-width:400px;margin:0 auto;padding:80px 20px;text-align:center}.error-screen p{font-size:16px;color:var(--text-dark);margin-bottom:20px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:20px;z-index:2000;animation:fadeIn .2s ease}.modal-card{background:var(--card-bg);border-radius:24px;padding:24px;max-width:440px;width:100%;max-height:85vh;overflow-y:auto;position:relative;text-align:left}.modal-card:focus{outline:none}.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:26px;line-height:1;color:var(--text-muted);cursor:pointer}.modal-img{width:100%;max-height:50vh;object-fit:cover;border-radius:16px;display:block}.modal-date{font-size:12px;color:var(--text-muted);margin:12px 0 2px}.modal-title{margin:6px 0 12px}.bottom-nav{position:fixed;bottom:25px;left:50%;transform:translate(-50%);width:85%;max-width:350px;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--nav-border);border-radius:35px;display:flex;justify-content:space-around;padding:10px 0;z-index:1000;box-shadow:0 8px 30px #0000001f}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-light);background:none;border:none;cursor:pointer;font-family:inherit;gap:4px}.nav-item.active{color:var(--text-dark)}.nav-item .material-symbols-outlined{font-size:28px!important}.nav-item .nav-label{font-size:10px!important;font-weight:500}.nav-item.active .nav-label{font-weight:700}@media(min-width:768px){header{justify-content:space-between;padding:25px 10%}.desktop-nav{display:flex}.bottom-nav{display:none!important}.tab-content{padding:40px 10%}.masonry-grid{grid-template-columns:repeat(4,1fr)}.logout-btn{position:static}.theme-toggle{position:static;margin-right:12px}}@media(max-width:767px){.app-container{padding-bottom:100px}.upload-card{padding:50px 20px}}