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auto;display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border:1px solid var(--border);border-radius:10px;cursor:pointer;color:var(--text);background:#ffffff0a;touch-action:manipulation;user-select:none;-webkit-user-select:none}.upload-btn:hover:not(:disabled){border-color:#38bdf873;background:#38bdf814}.upload-btn:disabled{opacity:.45;cursor:not-allowed}.model-load-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#060a14d1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.model-load-overlay[hidden]{display:none!important}.model-load-card{width:min(420px,100%);padding:22px 20px;border-radius:var(--radius);border:1px solid var(--border);background:#0c1224f2;box-shadow:0 24px 48px #00000073}.model-load-title{margin:0 0 8px;font-size:16px;font-weight:600}.model-load-stage{margin:0 0 12px;font-size:13px;color:var(--accent)}.model-load-bar{height:6px;border-radius:999px;background:var(--surface2);overflow:hidden;margin-bottom:12px}.model-load-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s ease}.model-load-hint{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}.status-pill--loading .status-dot{background:#fbbf24;animation:pulse 1s ease-in-out infinite}@media (max-width: 420px){.send-btn .btn-text{display:none}.send-btn:not(.is-stop) .send-icon{display:block}.send-btn.is-stop .stop-icon{display:block}.send-btn{min-width:40px;height:36px;padding:0}}