:root{color-scheme:light;--ink:#171717;--muted:#6f7378;--line:#e3e5e8;--line-strong:#c9cdd2;--brand-red:#df7f82;--brand-red-deep:#c8666a;--brand-red-soft:#fff3f3;--switch:#334155;--switch-hover:#1f2937;--success:#16865f;--danger:#c73542;--paper:#fff}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{color:var(--ink);background:var(--paper);font-family:Pretendard,SUIT,Noto Sans KR,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}.upload-page,.upload-shell{min-height:100vh}.upload-shell{display:flex;flex-direction:column;background:#fff}.site-header{min-height:80px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97)}.site-header-inner{width:min(100%,1320px);min-height:80px;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:23px;font-weight:900;letter-spacing:-1.25px}.brand span{color:var(--brand-red)}.header-label{color:#555a60;font-size:14px;font-weight:700}.session-controls{display:flex;align-items:center;gap:18px}.session-status{display:inline-flex;align-items:center;gap:7px;color:#646a70;font-size:13px;font-weight:700}.session-status img{width:18px;height:18px}.switch-order-button{min-height:40px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--switch);border-radius:9px;color:#fff;background:var(--switch);font-size:13px;font-weight:800;transition:background-color .16s ease,border-color .16s ease,transform .16s ease}.switch-order-button:not(:disabled):hover{border-color:var(--switch-hover);background:var(--switch-hover);transform:translateY(-1px)}.switch-order-button img{width:17px;height:17px}.workspace-view{width:min(100%,948px);flex:1 1;margin:0 auto;padding:104px 24px 120px}.workspace-intro{margin-bottom:44px;text-align:center}.auth-content h1,.workspace-intro h1{margin:0;font-size:clamp(34px,3vw,46px);line-height:1.18;letter-spacing:-2.25px}.workspace-intro p{margin:20px 0 0;color:var(--muted);font-size:17px;line-height:1.65}.drop-zone{min-height:444px;padding:54px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1.5px dashed var(--line-strong);border-radius:6px;background:#fff;text-align:center;transition:border-color .18s ease,background-color .18s ease,transform .18s ease}.drop-zone.is-dragging{border-color:var(--brand-red);background:var(--brand-red-soft);transform:scale(1.005)}.drop-zone.has-files{min-height:300px}.upload-icon{width:76px;height:76px;margin-bottom:26px}.drop-zone strong{color:#686d72;font-size:17px;font-weight:500}.file-limits{margin-top:38px;color:#73787e;font-size:13px;line-height:1.6}.primary-button,.secondary-button{border-radius:8px;font-weight:800;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}.primary-button{min-height:52px;padding:13px 24px;border:1px solid var(--brand-red);color:#fff;background:var(--brand-red);box-shadow:0 8px 20px rgba(201,102,106,.16)}.primary-button:not(:disabled):hover{border-color:var(--brand-red-deep);background:var(--brand-red-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(201,102,106,.22)}.primary-button:focus-visible,.secondary-button:focus-visible,.switch-order-button:focus-visible{outline:3px solid rgba(223,127,130,.28);outline-offset:3px}.file-select-button{width:212px;min-height:60px;margin-top:28px;font-size:16px}.secondary-button{min-height:48px;padding:11px 18px;border:1px solid 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span{flex:none;color:var(--muted);font-size:12px}.progress{width:100%;height:4px;margin-top:10px;display:block;overflow:hidden;border:0;border-radius:999px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#eef0f2}.progress::-webkit-progress-bar{border-radius:999px;background:#eef0f2}.progress::-webkit-progress-value{border-radius:999px;background:var(--brand-red);-webkit-transition:width .2s ease;transition:width .2s ease}.progress::-moz-progress-bar{border-radius:999px;background:var(--brand-red);-moz-transition:width .2s ease;transition:width .2s ease}.file-row.state-failed .progress::-webkit-progress-value{background:var(--danger)}.file-row.state-failed .progress::-moz-progress-bar{background:var(--danger)}.file-row.state-ready .progress::-webkit-progress-value{background:var(--success)}.file-row.state-ready .progress::-moz-progress-bar{background:var(--success)}.file-row p{margin:7px 0 0;color:var(--danger);font-size:12px}.file-row.state-ready p{color:var(--success)}.submit-files-button{width:100%;margin-top:22px}.workspace-action-button{width:100%;margin-top:12px}.session-error{margin-top:18px;text-align:center}.auth-view,.checking-view{flex:1 1;display:grid;place-items:center;padding:72px 24px 96px}.auth-content{width:min(100%,460px)}.eyebrow{margin:0 0 12px;color:var(--brand-red-deep);font-size:12px;font-weight:800;letter-spacing:1.5px}.lead{margin:16px 0 34px;color:var(--muted);line-height:1.65}form{grid-gap:20px;gap:20px}form,label{display:grid}label{grid-gap:9px;gap:9px;font-size:14px;font-weight:700}input{width:100%;min-height:52px;padding:14px 15px;border:1px solid var(--line-strong);border-radius:8px;outline:none;background:#fff}input:focus{border-color:var(--brand-red);box-shadow:0 0 0 3px rgba(223,127,130,.16)}form .primary-button{width:100%;margin-top:2px}.form-error{margin:0;color:var(--danger);font-size:13px}.store-link{margin:24px 0 0;text-align:center}.site-footer a,.store-link a{color:var(--brand-red-deep);font-weight:800;text-decoration:none}.site-footer a:focus-visible,.site-footer a:hover,.store-link a:focus-visible,.store-link a:hover{text-decoration:underline}.checking-view{align-content:center;color:var(--muted);text-align:center}.checking-view img{width:42px;height:42px;margin:0 auto 14px}.checking-view p{margin:0}.site-footer{min-height:100px;padding:28px 20px;display:grid;place-items:center;border-top:1px solid var(--line)}.site-footer p{margin:0;color:#666b70;font-size:13px;text-align:center}@media (max-width:720px){.site-header,.site-header-inner{min-height:66px}.site-header-inner{padding:0 18px}.brand{font-size:20px}.header-label,.session-status{display:none}.switch-order-button{min-height:38px;padding:0 12px}.workspace-view{padding:56px 18px 72px}.workspace-intro{margin-bottom:30px}.auth-content h1,.workspace-intro h1{font-size:31px;letter-spacing:-1.4px}.workspace-intro p{margin-top:14px;font-size:15px}.drop-zone{min-height:360px;padding:40px 18px}.drop-zone.has-files{min-height:270px}.upload-icon{width:62px;height:62px;margin-bottom:20px}.file-select-button{width:min(100%,220px)}.file-limits{max-width:290px;margin-top:28px}.file-meta{display:block}.file-meta span{display:block;margin-top:5px}.auth-view,.checking-view{padding:52px 20px 72px}.site-footer{min-height:84px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important}}