.account-card #changeNickname{display:inline-flex;align-items:center;gap:6px;min-height:36px;margin:0 0 6px;padding:4px 10px;border:1px solid #546f8a;border-radius:9px;background:#1c334c;color:#bceee7;font:inherit;font-size:12px;font-weight:600;cursor:pointer}
.account-card #changeNickname:hover{background:#284c60;border-color:#75cbbb}
.account-card #changeNickname:disabled{opacity:.55;cursor:default}
.nickname-editor{margin:0 0 20px;padding:18px;border:1px solid #6094a1;border-radius:15px;background:linear-gradient(135deg,#183743,#192740)}
.nickname-editor[hidden]{display:none!important}
.account-card .nickname-editor label{display:block;margin-bottom:10px;font-size:15px;font-weight:700;color:#eaf9ff}
.account-card .nickname-editor input{display:block;box-sizing:border-box;width:100%;min-width:0;min-height:46px;padding:11px 13px;background:#0f1e31;border:1px solid #5d8d9b;border-radius:10px;color:#f4faff;font:inherit;font-size:16px;line-height:1.5}
.account-card .nickname-editor input[aria-invalid=true]{border-color:#ffb197}
.nickname-caption{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin:8px 0 12px;font-size:11px;line-height:1.7;color:#b1cddd}
.nickname-caption [data-nickname-count]{flex-shrink:0;font-variant-numeric:tabular-nums;color:#a4e7da}
.account-card .nickname-editor p{font-size:12px;line-height:1.7;color:#b9d2e1;margin:12px 0}
.nickname-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.account-card .nickname-buttons button{min-height:44px;font:inherit;font-size:13px;padding:10px 16px;border-radius:10px;cursor:pointer}
.nickname-buttons .primary{flex:1}.nickname-buttons button:disabled{cursor:default;opacity:.5}
.account-card .nickname-feedback{font-size:12px;line-height:1.7;margin:0 0 16px;color:#a8efcd;overflow-wrap:anywhere}
.account-card .nickname-feedback:empty{display:none}
.account-card .nickname-feedback.nickname-error{color:#ffc4b4}
.account-card #changeNickname:focus-visible,.nickname-editor :focus-visible{outline:3px solid #bba3ff;outline-offset:3px}
@media(max-width:380px){.nickname-editor{padding:14px}.nickname-caption{font-size:10px}.account-card #changeNickname{font-size:11px;padding-inline:8px}.nickname-buttons{gap:8px}}