.ExcelViewer-header{width:100%;background-color:green;min-height:150px;display:flex}.File-Read-Container{max-width:500px;margin:auto 5vw;padding:12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;box-sizing:border-box}.drop-area{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;border:2px dashed #cbd5e1;background:linear-gradient(180deg,#fff9,#fafafa99);transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease;cursor:pointer;flex-wrap:wrap}.drop-area.drag-over{border-color:#2563eb;background-color:#2563eb0a;box-shadow:0 6px 20px #2563eb12}.drop-left{display:flex;gap:10px;align-items:center;min-width:0;flex:1 1 auto}.drop-icon{width:44px;height:44px;border-radius:8px;background:#eef2ff;display:inline-flex;align-items:center;justify-content:center;color:#3730a3;font-weight:600;flex:0 0 44px}.drop-text .title{font-weight:600;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drop-text .hint{margin-top:3px;font-size:13px;color:#475569}.file-input{cursor:pointer;padding:6px 8px;border-radius:8px;border:1px solid #e2e8f0;background:#fff;color:#0f172a;font-weight:600;transition:box-shadow .12s ease,transform 80ms ease;flex:0 1 220px;min-width:120px;max-width:60%}.file-upload-button{margin-left:8px;margin-right:auto;padding:8px 12px;border-radius:8px;border:1px solid #cbd5e1;background:#656565;color:#fff;font-weight:700;cursor:pointer;transition:background-color .12s ease,transform 80ms ease}.file-upload-button:hover{background:green;transform:translateY(-1px)}.File-Read-Container .file-hint{display:block;margin-top:10px;font-size:13px;color:#64748b}:root{--excel-green: #107c10;--excel-green-600: #0b6f0b;--excel-accent: #e6f4ea;--btn-text: #a2ed9e;--muted: #2d844d;--shadow: rgba(16, 124, 16, .12);--glass: rgba(255,255,255,.6)}.select-sheet-container{min-height:170px;width:50%;margin:10px;align-self:center;background-color:#e6f4ea;border-radius:50px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;padding:12px;box-sizing:border-box}.select-sheet-title{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;padding:.25rem 0;text-align:center;font-size:clamp(1.25rem,2.5vw,2rem);line-height:1.2;font-weight:600;letter-spacing:.01em;color:#0f172a;width:100%;margin:0 auto;word-break:break-word;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.select-button-container{display:flex;flex-wrap:wrap;gap:12px;padding:0 12px;margin:0 auto;align-items:center;justify-content:center;box-sizing:border-box}.sheet-button{--pad-vertical: 10px;--pad-horizontal: 16px;display:inline-flex;align-items:center;gap:10px;background:#0b6f0b;color:var(--btn-text);border:1px solid rgba(10,70,12,.12);border-radius:8px;padding:var(--pad-vertical) var(--pad-horizontal);cursor:pointer;font-size:15px;font-weight:600;min-width:120px;text-align:left;box-shadow:0 6px 18px var(--shadow);transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;user-select:none;-webkit-tap-highlight-color:transparent}.sheet-button:before{content:"";display:inline-block;width:34px;height:24px;flex:0 0 34px;border-radius:4px;background:linear-gradient(180deg,#fff,#eaf7ea);border:2px solid rgba(10,70,12,.08);box-shadow:inset 0 -6px 10px #107c100a;position:relative}.sheet-button:after{content:"";pointer-events:none;width:20px;height:14px;position:absolute;margin-left:6px;margin-top:3px;background-image:linear-gradient(to right,rgba(10,70,12,.06) 2px,transparent 1px),linear-gradient(to bottom,rgba(10,70,12,.06) 2px,transparent 1px);background-size:6px 6px,6px 6px;border-radius:2px;opacity:.85}.sheet-button:hover{transform:translateY(-3px);box-shadow:0 10px 26px #107c1024;border-color:#107c1038}.sheet-button:active{transform:translateY(2px);border-color:var(--excel-green-600, #057a12);box-shadow:inset 0 1px #ffffff1f,0 2px 6px #031d082e;background:#0d542e}.sheet-button:focus{outline:none;box-shadow:0 0 0 3px #107c1024,0 10px 26px #107c101f}.sheet-button .sub{display:block;font-size:12px;font-weight:500;color:var(--muted);opacity:.95}.sheet-button.selected{background:linear-gradient(180deg,#e9f6ea,#dff0db);border:1px solid var(--excel-green);color:var(--excel-green-600);transform:translateY(-1px) scale(1.01);box-shadow:0 12px 30px #107c1029}.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}.sheet-button .pill{margin-left:auto;background:#107c1014;color:var(--excel-green-600);padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700;min-width:36px;text-align:center}@media (max-width: 800px){.drop-area{gap:10px;padding:10px}.drop-icon{width:36px;height:36px;flex:0 0 36px}.file-input{max-width:100%;flex:1 1 auto}.btn-read{width:100%;margin-left:0}.sheet-button{font-size:14px;padding:8px 12px}.select-sheet-container{gap:10px;padding:8px}.sheet-button{flex:1 1 100%;min-width:0;justify-content:flex-start;padding:10px 14px}.sheet-button:after{display:none}}