.submit-main{display:flex;justify-content:center;align-items:flex-start;padding:16px 12px;min-height:80vh}.submit-card{background:linear-gradient(145deg,#1e1e1e,#252525);border:1px solid #333;border-radius:16px;width:100%;max-width:820px;box-shadow:0 20px 60px rgba(0,0,0,.5);overflow:hidden}.submit-card-header{text-align:center;padding:24px 28px 12px}.submit-icon{width:48px;height:48px;margin:0 auto 12px;background:linear-gradient(135deg,#667eea,#5b6abf);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;box-shadow:0 8px 24px rgba(102,126,234,.3)}.submit-card-header h2{margin:0 0 4px;font-size:20px;font-weight:700;color:#f0f0f0}.submit-subtitle{margin:0;font-size:13px;color:#888}.submit-card-body{padding:4px 28px 24px}.mode-detail-preview .device-badge{margin-bottom:6px;display:inline-flex}.mode-detail-patterns .section-title{margin-bottom:8px}.form-section{margin-bottom:20px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.form-group-compact label,.section-title{display:flex;align-items:center;gap:6px;font-weight:600}.section-title{font-size:14px;color:#ccc;margin:0}.section-title i{color:#667eea}.form-row{display:flex;gap:12px}.form-row .form-group-compact{flex:1}.form-group-compact{margin-bottom:12px}.form-group-compact label{font-size:11px;color:#999;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.form-group-compact label i{font-size:11px;color:#667eea}.form-group-compact input,.form-group-compact textarea{width:100%;padding:10px 12px;background:#2a2a2a;border:1px solid #3a3a3a;border-radius:8px;color:#f0f0f0;font-size:13px;box-sizing:border-box;transition:border-color .3s,box-shadow .3s}.form-group-compact input:focus,.form-group-compact textarea:focus{outline:0;border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.15)}.form-group-compact textarea{resize:vertical;height:42px;min-height:42px;font-family:inherit}.device-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;background:rgba(102,126,234,.15);border:1px solid rgba(102,126,234,.3);border-radius:16px;font-size:12px;font-weight:600;color:#667eea}.patterns-layout{display:flex;gap:16px}.patterns-list{flex:0 0 220px;max-height:380px;overflow-y:auto;padding-right:6px}.patterns-list::-webkit-scrollbar{width:4px}.patterns-list::-webkit-scrollbar-track{background:#222;border-radius:2px}.patterns-list::-webkit-scrollbar-thumb{background:#555;border-radius:2px}.pat-item-submission,.pattern-edit input{background:#2a2a2a;border:1px solid #3a3a3a}.pat-item-submission{display:flex;align-items:center;gap:8px;border-radius:8px;padding:6px 8px;margin-bottom:5px;cursor:pointer;transition:border-color .2s,background .2s}.pat-item-submission:hover{border-color:#667eea;background:#303030}.pat-item-submission.selected{border-color:#667eea;background:rgba(102,126,234,.15)}.pat-item-submission.highlighted{border-color:#667eea;background:rgba(102,126,234,.1)}.pat-item-submission.duplicate{opacity:.6;border-style:dashed;cursor:default}.pat-item-submission-content{flex:1;min-width:0}.pat-name{font-size:12px;font-weight:600;color:#ddd;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.submission-led-strip-container{flex-shrink:0;width:48px;height:20px;overflow:hidden;border-radius:3px;background:#1a1a1a}.submission-led-strip-container canvas{width:100%;height:100%;display:block}.mode-preview{flex:1;display:flex;flex-direction:column;align-items:center;gap:12px}.device-preview-container{position:relative;width:100%;max-width:300px}.upload-device-image{display:block;width:100%;height:auto;position:relative;z-index:2}.highlight-container,.led-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.highlight-container{z-index:3}.highlight{cursor:pointer}.active-highlight,.selected{background:rgba(102,126,234,.3)!important}.pattern-edit{width:100%;display:flex;gap:8px}.pattern-edit input{flex:1;padding:8px 10px;border-radius:6px;color:#f0f0f0;font-size:12px;box-sizing:border-box;transition:border-color .3s}.pattern-edit input:focus{outline:0;border-color:#667eea}.submit-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 24px;margin-top:20px;background:linear-gradient(135deg,#667eea,#5b6abf);color:#fff;border:0;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(102,126,234,.4)}.submit-btn:active{transform:translateY(0)}.submit-card .alert{margin:0 28px 12px}@media (max-width:680px){.submit-main{padding:12px 8px}.submit-card-body{padding:4px 16px 16px}.submit-card-header{padding:16px 16px 8px}.form-row{gap:0}.form-row,.patterns-layout{flex-direction:column}.patterns-list{flex:none;max-height:180px}}