*{margin:0;padding:0;box-sizing:border-box}main{flex:1;padding:20px}main.container{display:block;max-width:1400px;width:100%;margin:0 auto;padding:40px 20px;background-color:var(--primary-bg-color);border-radius:12px;box-shadow:0 8px 25px rgba(0,0,0,0.1)}main h1{color:var(--primary-text-color);font-size:2.5rem;margin-bottom:10px;text-align:center}main .subtitle{color:var(--secondary-text-color);text-align:center;margin-bottom:30px;font-size:1.1rem}main h3{color:var(--primary-text-color);font-size:1.1rem;margin-bottom:15px}.tool-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:30px}.upload-section,.data-section{background:var(--input-bg-color);padding:25px;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,0.1);border:1px solid var(--input-border-color)}.upload-area{border:2px dashed var(--input-border-color);border-radius:8px;padding:40px;text-align:center;cursor:pointer;transition:all 0.3s;background:var(--header-bg-color);margin-bottom:20px}.upload-area:hover{border-color:var(--button-bg-color)}.upload-area svg{stroke:var(--secondary-text-color);margin-bottom:15px}.upload-area h3{margin-bottom:10px}.upload-area p{color:var(--secondary-text-color);font-size:0.9rem}.preview-container{margin-top:20px;text-align:center}.preview-container img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--input-border-color)}.exif-data{background:var(--header-bg-color);padding:20px;border-radius:8px;border:1px solid var(--input-border-color);max-height:600px;overflow-y:auto}.exif-grid{display:flex;flex-direction:column;gap:8px}.exif-row{display:grid;grid-template-columns:200px 1fr;gap:15px;padding:10px;background:var(--input-bg-color);border-radius:6px;align-items:center}.exif-label{color:var(--secondary-text-color);font-weight:600;font-size:0.9rem}.exif-value{color:var(--primary-text-color);font-family:monospace;font-size:0.9rem;word-break:break-word}.exif-section{margin-top:20px;padding-top:20px;border-top:2px solid var(--input-border-color)}.exif-section h4{color:var(--primary-text-color);margin-bottom:10px}.no-data{text-align:center;padding:40px;color:var(--secondary-text-color)}.no-data p{margin-bottom:10px;font-size:1.1rem}.no-data small{font-size:0.85rem}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;padding:60px 20px;color:var(--secondary-text-color);text-align:center}.placeholder svg{stroke:var(--secondary-text-color);opacity:0.5}.info-box{display:flex;gap:12px;padding:16px;background:var(--input-bg-color);border-radius:12px;font-size:0.9rem;color:var(--primary-text-color);box-shadow:0 4px 15px rgba(0,0,0,0.1);border:1px solid var(--input-border-color);margin-top:20px}.info-box svg{flex-shrink:0;stroke:var(--button-bg-color)}.info-box strong{color:var(--button-bg-color)}.hidden{display:none!important}@media(max-width:1024px){.tool-layout{grid-template-columns:1fr}.exif-row{grid-template-columns:150px 1fr}}@media(max-width:600px){main h1{font-size:2rem}main .subtitle{font-size:1rem}.exif-row{grid-template-columns:1fr;gap:5px}}