:root{--primary:#156dc5;--primary-dark:#0f559b;--text:#172033;--muted:#657083;--line:#d8dee8;--line-strong:#c9d3e2;--surface:#fff;--surface-soft:#f8fafc;--page:#f3f6fa;--success:#197b3c;--success-bg:#e8f6ee;--error:#b42318;--error-bg:#fde8e7}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--page);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.page{width:min(100%,1120px);margin:0 auto;padding:12px}.topbar{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}h1,h2,h3,p{margin:0}h1{letter-spacing:0;font-size:22px;line-height:1.15}h2{font-size:16px;line-height:1.25}h3{font-size:15px}.counter{border:1px solid var(--line);background:var(--surface);border-radius:8px;flex:none;place-items:center;width:62px;height:46px;display:grid}.counter strong{font-size:18px;line-height:1}.counter span{color:var(--muted);font-size:12px}.content{gap:10px;padding-bottom:76px;display:grid}.section-block,.driver-card{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:12px;box-shadow:0 8px 24px #1720330d}.section-head,.driver-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.upload-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.upload-box{border:1px solid var(--line);background:var(--surface-soft);border-radius:8px;grid-template-rows:auto 1fr auto;align-items:start;gap:8px;min-height:160px;padding:10px;transition:border-color .12s,background .12s,box-shadow .12s;display:grid}.upload-box:hover{border-color:var(--line-strong);background:#fff;box-shadow:0 6px 18px #1720330f}.upload-box.dragging{border-color:var(--primary);background:#eef6ff;box-shadow:0 0 0 3px #156dc51f}.upload-box.filled{border-color:var(--line-strong);background:#fff}.upload-info{gap:2px;display:grid}.upload-info span{color:var(--muted);font-size:13px;font-weight:650;display:block}.upload-info strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--text);font-size:12px;font-weight:500;display:block;overflow:hidden}.upload-preview{aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);background:#eef2f7;border-radius:8px;width:100%;display:block}.file-button,.link-button,.danger-button{border:1px solid var(--line);min-height:34px;color:var(--text);cursor:pointer;background:#fff;border-radius:7px;justify-content:center;align-items:center;padding:7px 10px;line-height:1.2;display:inline-flex}.upload-box .file-button{background:var(--surface);width:100%;font-weight:650}.upload-box .file-button:hover{border-color:var(--primary);color:var(--primary)}.file-input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.link-button{color:var(--primary);border-color:#0000;font-weight:650}.danger-button{color:var(--error);border-color:#0000}.drivers{gap:8px;display:grid}.message{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px}.message p{white-space:pre-wrap}.message span{color:var(--muted);margin-top:6px;font-size:13px;display:block}.message.success{background:var(--success-bg);color:var(--success);border-color:#b7e1c6}.message.error{background:var(--error-bg);color:var(--error);border-color:#f4b6b2}.submit-bar{border-top:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff0;padding:8px 10px 10px;position:fixed;bottom:0;left:0;right:0}.primary-button{background:var(--primary);color:#fff;text-transform:uppercase;border:0;border-radius:8px;width:min(100%,944px);min-height:44px;margin:0 auto;font-weight:750;display:block}.primary-button:hover:not(:disabled){background:var(--primary-dark)}@media (max-width:680px){.page{padding:8px}.topbar{align-items:center}h1{font-size:20px}.upload-grid{grid-template-columns:1fr}.section-block,.driver-card{padding:10px}.upload-box{min-height:144px}.section-head,.driver-head{align-items:center}.file-button{width:100%}}