:root{--ink:#172522;--muted:#697670;--green:#1f5b4d;--green2:#17473d;--pale:#edf4f1;--line:#dce4e1;--danger:#a52d2d;--bg:#f4f6f5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft JhengHei","PingFang HK",system-ui,sans-serif}.upload-shell{width:min(640px,calc(100% - 28px));margin:38px auto}.admin-shell{width:min(1100px,calc(100% - 28px));margin:28px auto}.brand{display:flex;align-items:center;gap:11px;margin:0 4px 25px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--green);color:#fff;font:700 23px Georgia}.brand strong,.brand small{display:block}.brand small{margin-top:2px;color:var(--muted)}.panel{background:#fff;border:1px solid #e1e7e4;border-radius:20px;padding:clamp(24px,5vw,42px);box-shadow:0 15px 42px rgba(24,54,47,.07)}.hidden{display:none!important}.eyebrow{margin:0 0 8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.13em}h1{margin:0 0 9px;font-size:clamp(27px,5vw,36px);line-height:1.18}.subtitle{margin:0;color:var(--muted);font-size:14px}.dropzone{display:flex;min-height:250px;margin-top:28px;border:2px dashed #b6c7c1;border-radius:16px;background:#fbfcfc;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:8px;text-align:center;transition:.2s}.dropzone:hover,.dropzone.dragging{border-color:var(--green);background:var(--pale);transform:translateY(-2px)}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.dropzone>span:last-of-type{color:var(--muted);font-size:13px}.upload-arrow{display:grid;place-items:center;width:53px;height:53px;border-radius:50%;background:var(--green);color:#fff;font-size:28px;margin-bottom:7px}.file-list{display:grid;gap:8px;margin-top:14px}.selected-file{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 13px;border-radius:10px;background:#f1f5f3;font-size:13px}.selected-file span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected-file span:last-child{color:var(--muted);white-space:nowrap}button{border:0;border-radius:10px;padding:14px 20px;background:var(--green);color:#fff;font:700 15px inherit;cursor:pointer}form>button{width:100%;margin-top:16px}button:hover{background:var(--green2)}button:disabled{opacity:.45;cursor:not-allowed}.secondary{width:100%;background:var(--pale);color:var(--green)}.error{min-height:20px;margin:10px 0 0;color:var(--danger);font-size:14px}.progress{height:8px;margin-top:16px;border-radius:999px;background:#e5ebe9;overflow:hidden}.progress span{display:block;height:100%;width:0;background:var(--green);transition:width .15s}.success{text-align:center}.success-icon{display:grid;place-items:center;width:66px;height:66px;margin:12px auto 19px;border-radius:50%;background:var(--pale);color:var(--green);font-size:34px;font-weight:800}.success button{margin-top:22px}footer{text-align:center;margin:18px;color:var(--muted);font-size:12px}.admin-header{display:flex;align-items:start;justify-content:space-between}.login-panel{max-width:470px;margin:60px auto}.login-panel label{display:block;margin:24px 0 8px;font-size:14px;font-weight:700}input{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;color:var(--ink);background:#fff}input:focus{outline:3px solid rgba(31,91,77,.13);border-color:var(--green)}.text-button{padding:7px;background:transparent;color:var(--green)}.toolbar{display:flex;justify-content:space-between;align-items:end;margin:18px 4px}.toolbar h1{font-size:30px}.search span{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}.search input{width:260px}.file-table{padding:0;overflow:hidden}.table-head,.file-row{display:grid;grid-template-columns:minmax(260px,1fr) 180px 100px 125px;align-items:center;gap:14px;padding:13px 20px}.table-head{background:#f7f9f8;color:var(--muted);font-size:12px;font-weight:700}.file-row{border-top:1px solid var(--line);font-size:13px}.file-main{display:flex;align-items:center;gap:11px;min-width:0}.file-type{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border-radius:8px;background:var(--pale);color:var(--green);font-size:10px;font-weight:800}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:650}.actions{display:flex;justify-content:end;gap:5px}.actions a,.actions button{padding:7px 9px;border-radius:7px;background:transparent;color:var(--green);font-size:12px;text-decoration:none}.actions .delete{color:var(--danger)}.empty{text-align:center;padding:60px;color:var(--muted)}dialog{width:min(920px,calc(100% - 28px));height:min(760px,calc(100% - 28px));padding:0;border:0;border-radius:15px;box-shadow:0 25px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(13,27,23,.55)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 18px;border-bottom:1px solid var(--line)}.dialog-head strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}iframe{width:100%;height:calc(100% - 58px);border:0}@media(max-width:760px){.table-head{display:none}.file-row{grid-template-columns:1fr auto;padding:14px}.file-row>span{display:none}.actions{grid-column:2}.toolbar{align-items:stretch;flex-direction:column;gap:15px}.search input{width:100%}.panel{border-radius:15px}.dropzone{min-height:220px}}