.kv-widget{--kv-accent:#2563eb;--kv-accent-fg:#ffffff;--kv-line:rgba(128, 128, 128, 0.35);--kv-tint:rgba(128, 128, 128, 0.12);box-sizing:border-box;max-width:720px;margin:2em auto;padding:20px 22px;border:1px solid var(--kv-line);border-radius:12px;background:#fff0;color:inherit;font-size:15px;line-height:1.7}@supports (background:color-mix(in srgb,currentColor 10%,transparent)){.kv-widget{--kv-line:color-mix(in srgb, currentColor 22%, transparent);--kv-tint:color-mix(in srgb, currentColor 8%, transparent)}}.kv-widget[hidden]{display:none!important}.kv-widget *,.kv-widget *::before,.kv-widget *::after{box-sizing:inherit}.kv-title{margin:0 0 8px;font-size:18px;font-weight:700;line-height:1.5;color:inherit}.kv-consent{margin:0 0 16px;font-size:13px;opacity:.75}.kv-consent a{color:var(--kv-accent)}.kv-start,.kv-send{appearance:none;border:0;border-radius:8px;background:var(--kv-accent);color:var(--kv-accent-fg);font-size:15px;font-weight:700;line-height:1.4;padding:12px 28px;cursor:pointer}.kv-start:hover:not(:disabled),.kv-send:hover:not(:disabled){opacity:.9}.kv-start:disabled,.kv-send:disabled{opacity:.55;cursor:default}.kv-log{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;margin-bottom:14px}.kv-msg{max-width:88%;padding:10px 14px;border-radius:12px;white-space:pre-wrap;word-break:break-word}.kv-msg--ai{align-self:flex-start;background:var(--kv-tint);color:inherit;border-bottom-left-radius:4px}.kv-msg--me{align-self:flex-end;background:var(--kv-accent);color:var(--kv-accent-fg);border-bottom-right-radius:4px}.kv-msg--pending{opacity:.7;font-style:italic}.kv-label{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.kv-input{display:block;width:100%;padding:10px 12px;border:1px solid var(--kv-line);border-radius:8px;background:#fff0;color:inherit;font-family:inherit;font-size:15px;line-height:1.6;resize:vertical}.kv-input::placeholder{color:inherit;opacity:.5}.kv-input:focus{outline:2px solid var(--kv-accent);outline-offset:1px}.kv-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px}.kv-progress{font-size:13px;opacity:.7}.kv-error{margin:12px 0 0;padding:8px 12px;border-left:3px solid #dc2626;background:var(--kv-tint);font-size:14px}.kv-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.kv-notice{margin:1em 0;padding:10px 14px;border-left:4px solid #d97706;background:var(--kv-tint,rgb(128 128 128 / .12));font-size:14px}@media (max-width:600px){.kv-widget{padding:16px;margin:1.5em 0}.kv-msg{max-width:94%}.kv-start,.kv-send{width:100%;padding:14px 20px}.kv-actions{flex-direction:column-reverse;align-items:stretch}.kv-progress{text-align:center}}