.header-picker[hidden]{display:none}.header-picker{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:20px;background:#01070dc9;backdrop-filter:blur(8px)}.header-picker__panel{width:min(860px,100%);height:min(840px,calc(100dvh - 40px));max-height:calc(100dvh - 40px);overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr) auto;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:0 24px 80px #000a}.header-picker__head,.header-picker__foot{position:sticky;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;background:var(--panel)}.header-picker__head{top:0;border-bottom:1px solid var(--line)}.header-picker__head h2{margin:0;font-size:20px}.header-picker__close{width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:var(--panel2);color:var(--text);font-size:22px}.header-picker__body{min-height:0;overflow:auto;padding:18px}.header-picker__tabs{display:flex;gap:8px;margin-bottom:14px}.header-picker__tabs button{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel2);color:var(--text)}.header-picker__tabs button[aria-selected=true]{border-color:var(--profile-accent);color:var(--profile-accent)}.header-picker__preview{position:relative;width:100%;aspect-ratio:930/560;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#071923}.header-picker__preview img{width:100%;height:100%;object-fit:cover}.header-picker__preview:after{content:"";position:absolute;inset:28% 0 0;background:linear-gradient(180deg,transparent 0%,#020914cc 45%,#02070cf7 85%)}.header-picker__preview-note{position:absolute;z-index:1;left:22px;bottom:18px;color:white;font-weight:800}.header-picker__position{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin:13px 0 18px}.header-picker__position input{width:100%;accent-color:var(--profile-accent)}.header-picker__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.header-choice{position:relative;padding:0;overflow:hidden;border:2px solid transparent;border-radius:10px;background:var(--panel2);color:var(--text);text-align:left}.header-choice[aria-pressed=true]{border-color:var(--profile-accent);box-shadow:0 0 0 2px var(--profile-glow)}.header-choice img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.header-choice span{display:block;padding:8px 9px;font-size:12px;font-weight:700}.header-picker__empty{grid-column:1/-1;padding:24px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);text-align:center}.header-picker__foot{bottom:0;justify-content:flex-end;border-top:1px solid var(--line)}.header-picker__foot button{padding:10px 18px;border:1px solid var(--line);border-radius:9px;background:var(--panel2);color:var(--text)}.header-picker__foot .header-picker__save{border-color:transparent;background:linear-gradient(110deg,#6832bd,#c32bae);color:white;font-weight:800}.header-picker__status{margin-right:auto;color:var(--muted);font-size:13px}.header-picker-notice{position:fixed;z-index:110;right:20px;bottom:20px;max-width:360px;padding:12px 15px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);box-shadow:var(--shadow)}@media(max-width:700px){.header-picker{padding:0;place-items:end center}.header-picker__panel{height:94dvh;max-height:94dvh;border-radius:16px 16px 0 0}.header-picker__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-picker__body{padding:14px}.header-picker__preview{aspect-ratio:930/560}}@media(max-width:420px){.header-picker__grid{grid-template-columns:1fr}.header-picker__position{grid-template-columns:auto 1fr}.header-picker__position output{display:none}}
@media(max-width:1100px){.header-picker{padding:14px 14px 82px;place-items:stretch center}.header-picker__panel{width:min(860px,100%);height:100%;max-height:100%}.header-picker__foot{flex:none;min-height:68px}.header-picker__foot .header-picker__save{min-height:46px;padding-inline:20px}}
@media(max-width:700px){.header-picker{padding:0 0 72px;place-items:stretch center}.header-picker__panel{height:100%;max-height:100%;border-radius:16px 16px 0 0}}