/* Isolated support widget based on the reference's 56px launcher and 380px panel. */
.support-chat{position:fixed;right:20px;bottom:20px;z-index:9990;font-family:Inter,system-ui,sans-serif;color:var(--text,#0f172a)}
.support-chat [hidden]{display:none!important}
.support-chat button,.support-chat textarea,.support-chat input{font:inherit;box-sizing:border-box}
.support-chat-launcher{position:relative;width:56px;height:56px;border-radius:50%;background:var(--accent,#4f46e5);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 24px #0003}
.support-chat-launcher svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8}
.support-chat-badge{position:absolute;right:-4px;top:-4px;background:#dc2626;color:#fff;border-radius:50%;width:20px;height:20px;font-size:11px;display:grid;place-items:center}
.support-chat-preview{position:absolute;right:0;bottom:70px;width:260px;background:var(--surface,#fff);border:1px solid var(--border,#ddd);border-radius:12px;padding:14px;cursor:pointer;box-shadow:0 8px 24px #0002;font-size:13px;text-align:left;color:inherit}
.support-chat-panel{position:absolute;right:0;bottom:70px;width:380px;max-height:min(720px,calc(100dvh - 120px));background:var(--surface,#fff);border:1px solid var(--border,#ddd);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 12px 36px #0003}
.support-chat-header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--bg,#f5f6fb);border-bottom:1px solid var(--border,#ddd)}
.support-chat-avatar{width:40px;height:40px;border-radius:50%;background:var(--surface-2,#eef0f8);display:grid;place-items:center;font-weight:700;color:var(--accent,#4f46e5);flex-shrink:0}
.support-chat-heading{flex:1;font-size:14px;line-height:1.4}
.support-chat-heading small{display:block;font-size:11px;color:var(--muted,#64748b)}
.support-chat-close{border:0;background:transparent;color:inherit;font-size:24px!important;cursor:pointer;padding:4px 8px}
.support-chat-scroll{overflow-y:auto;overscroll-behavior:contain}
.support-chat-messages{padding:16px;display:flex;flex-direction:column;gap:12px;min-height:100px;max-height:240px;overflow-y:auto}
.support-chat-message{background:var(--bg,#f5f6fb);border:1px solid var(--border,#ddd);border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.6;white-space:pre-line;overflow-wrap:anywhere}
.support-chat-message[data-user]{background:var(--accent,#4f46e5);color:#fff;border-color:transparent;margin-left:24px}
.support-chat-message time{display:block;font-size:10px;opacity:.7;margin-top:4px}
.support-chat-composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border,#ddd)}
.support-chat-composer textarea{flex:1;min-width:0;resize:vertical;border:1px solid var(--border,#ddd);border-radius:8px;padding:10px 12px;background:var(--bg,#f5f6fb);color:inherit;font-size:13px}
.support-chat-send{width:40px;height:40px;border-radius:8px;background:var(--accent,#4f46e5);color:#fff;border:0;cursor:pointer}
.support-chat .registration-form{padding:14px 16px;margin:0;border-top:1px solid var(--border,#ddd)}
.support-chat-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.support-chat-fields label{font-size:11px;color:var(--muted,#64748b);min-width:0}
.support-chat-fields label:nth-child(n+3){grid-column:1/-1}
.support-chat-fields input{display:block;width:100%;min-width:0;background:var(--bg,#f5f6fb);border:1px solid var(--border,#ddd);border-radius:8px;padding:10px 12px;color:var(--text,#0f172a);font-size:13px}
.support-chat .iti{display:block}
.support-chat-submit{width:100%;background:var(--accent,#4f46e5);color:#fff;border:0;border-radius:10px;padding:12px;font-size:14px;font-weight:700;cursor:pointer;margin-top:12px}
.support-chat-note{font-size:11px;color:var(--muted,#64748b);text-align:center;margin:10px 0 0}
.support-chat-note a{text-decoration:underline}
.support-chat :is(button,input,textarea):focus-visible{outline:2px solid var(--accent,#4f46e5);outline-offset:2px}
@media(max-width:480px){.support-chat{right:16px;bottom:16px}.support-chat-panel{width:calc(100vw - 32px);bottom:66px;max-height:calc(100dvh - 108px)}.support-chat-preview{width:calc(100vw - 80px)}}