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#a7f3d0;background:#fff;border-radius:4px;cursor:pointer;color:#065f46}.btn-clear:hover{background:#d1fae5}.btn-add-more{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 16px;margin-top:8px;background:var(--color-paper);border:2px dashed var(--color-border);border-radius:8px;color:var(--color-ink-light);font-size:13px;font-family:inherit;cursor:pointer;transition:all .2s}.btn-add-more:hover{border-color:var(--color-terracotta);color:var(--color-terracotta);background:var(--color-cream)}.btn-add-more:disabled{opacity:.5;cursor:not-allowed}.btn-add-more:disabled:hover{border-color:var(--color-border);color:var(--color-ink-light);background:var(--color-paper)}.upload-area.disabled,.upload-box.disabled .upload-area,.upload-box.disabled .btn-add-more{opacity:.5;cursor:not-allowed;pointer-events:none}.upload-box.disabled .files-list{opacity:.7}.upload-status{margin-top:16px;padding:12px 16px;background:#eff6ff;border-radius:8px;border:1px solid #bfdbfe}.upload-progress{height:4px;background:#dbeafe;border-radius:2px;overflow:hidden;margin-bottom:8px}.upload-progress-bar{height:100%;background:var(--color-terracotta);width:0%;transition:width .3s}.upload-status-text{font-size:13px;color:#1e40af}.spreadsheet-container{border:1px solid var(--color-border);border-radius:8px;overflow:hidden;background:var(--color-paper);margin-bottom:24px}.sheet-tabs{display:flex;background:#f3f4f6;border-bottom:1px solid var(--color-border);padding:0 8px;gap:2px}.sheet-tab{display:flex;align-items:center;gap:8px;padding:10px 16px;background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;font-size:13px;font-family:inherit;color:var(--color-ink-light);transition:all 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svg{height:24px;width:auto}.join-name{display:block;font-weight:600;font-size:14px;color:var(--color-ink);margin-bottom:4px}.join-desc{font-size:11px;color:var(--color-ink-light)}.key-selection-grid{display:flex;align-items:center;gap:16px;max-width:600px}.key-select-box{flex:1}.key-label{display:block;font-size:12px;color:var(--color-ink-light);margin-bottom:6px}.key-equals{font-size:24px;color:var(--color-ink-light);padding-top:20px}.key-stats{margin-top:8px;font-size:12px;color:var(--color-ink-light)}.key-stats strong{color:var(--color-ink)}.match-preview{margin-top:20px;padding:16px;background:#ecfdf5;border-radius:8px;border:1px solid #a7f3d0}.match-preview.warning{background:#fffbeb;border-color:#fcd34d}.match-preview.error{background:#fef2f2;border-color:#fca5a5}.match-preview-content{display:flex;align-items:center;gap:12px}.match-icon{color:#059669;flex-shrink:0}.match-preview.warning .match-icon{color:#d97706}.match-preview.error 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0}.skeleton-container{width:100%;max-width:800px}.skeleton-header{height:24px;width:200px;background:linear-gradient(90deg,#e5e5e5 25%,#f0f0f0,#e5e5e5 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px;margin-bottom:24px}.skeleton-upload-area{height:120px;background:linear-gradient(90deg,#e5e5e5 25%,#f0f0f0,#e5e5e5 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px;margin-bottom:16px}.skeleton-button{height:44px;width:140px;background:linear-gradient(90deg,#e5e5e5 25%,#f0f0f0,#e5e5e5 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:6px}