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.send-btn{background:var(--primary);color:var(--primary-contrast);border-color:transparent;box-shadow:var(--primary-shadow)}.msg-input .send-btn:hover:not(:disabled){transform:scale(1.05) rotate(5deg)}.msg-input .send-btn:active:not(:disabled){transform:scale(.95)}.msg-input .attach-btn:hover{transform:rotate(15deg)}[data-theme=innovative] .msg-input .send-btn{background:linear-gradient(135deg,var(--primary) 0%,#7b00ff 100%)}.msg-input .input-wrap{background:var(--surface-2);border:1px solid var(--border);border-radius:22px;padding:4px 12px;max-height:140px;overflow:auto}.msg-input .input-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus)}.msg-input textarea{width:100%;border:0;background:transparent;resize:none;padding:8px 0;outline:none;font-size:16px}.file-chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:13px;margin:6px 0}.file-chip 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