/* ============================================================
   QANTOM — Auth modal, account menu, header auth buttons
   ============================================================ */
.authmodal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.authmodal.on{display:flex}
.authmodal__bd{position:absolute;inset:0;background:rgba(10,12,20,.78);backdrop-filter:blur(8px);animation:fade .25s var(--ease)}
.au{position:relative;width:100%;max-width:430px;background:var(--panel);border:1px solid var(--line2);
  border-radius:12px;box-shadow:0 30px 70px -22px rgba(0,0,0,.85);animation:pop .3s var(--ease);
  max-height:92vh;overflow:auto}
.au__x{position:absolute;top:12px;right:12px;width:32px;height:32px;display:grid;place-items:center;
  background:transparent;border:none;border-radius:8px;color:var(--muted2);cursor:pointer;transition:all var(--fast);z-index:2}
.au__x:hover{background:var(--panel3);color:var(--text)}
.au__x svg{width:16px;height:16px}

.au__head{padding:26px 26px 0}
.au__brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.au__brand span{font-weight:900;font-size:16px;letter-spacing:-.02em}
.au__brand em{font-style:normal;font-size:8.5px;letter-spacing:.14em;color:var(--up);vertical-align:super;margin-left:3px}
.au__title{font-size:19px;margin-bottom:4px}
.au__tabs{display:flex;gap:4px;background:var(--panel2);border:1px solid var(--line);padding:4px;border-radius:9px}
.au__tabs button{flex:1;padding:9px;border:none;background:transparent;color:var(--muted);border-radius:6px;
  font-size:13.5px;font-weight:700;cursor:pointer;transition:all var(--fast);font-family:inherit}
.au__tabs button:hover{color:var(--text)}
.au__tabs button.on{background:var(--panel);color:var(--text);box-shadow:var(--sh)}

.au__body{padding:22px 26px 4px}
.au__hint{font-size:12.5px;color:var(--muted);line-height:1.55;margin-bottom:16px;padding:11px 13px;
  background:var(--panel2);border-left:3px solid var(--acc);border-radius:0 7px 7px 0}
.au__f{margin-bottom:14px}
.au__f label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px}
.au__in{width:100%;height:44px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:0 13px;outline:none;font-size:14px;font-family:inherit;color:var(--text);transition:all var(--fast)}
.au__in::placeholder{color:var(--muted2)}
.au__in:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(2,111,211,.18);background:var(--panel)}
select.au__in{cursor:pointer}
.au__f.bad .au__in{border-color:var(--down);box-shadow:0 0 0 3px rgba(235,77,75,.14)}
.au__fe{font-size:11.5px;color:var(--down);margin-top:5px;font-weight:500}
.au__f.bad .au__fe{animation:fade .2s var(--ease)}
.au__row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.au__row .au__f{margin-bottom:14px}

.au__pw{position:relative}
.au__pw .au__in{padding-right:44px}
.au__eye{position:absolute;right:5px;top:5px;width:34px;height:34px;display:grid;place-items:center;
  background:transparent;border:none;border-radius:7px;color:var(--muted2);cursor:pointer;transition:all var(--fast)}
.au__eye:hover{background:var(--panel3);color:var(--text)}
.au__eye.on{color:var(--acc)}
.au__eye svg{width:15px;height:15px}

.au__strength{margin:-4px 0 14px}
.au__sbar{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:6px}
.au__sbar i{display:block;height:100%;width:0;border-radius:99px;background:var(--muted2);transition:width .3s var(--ease),background .3s}
.au__strength span{font-size:11.5px;color:var(--muted2)}
.au__strength.weak   .au__sbar i{background:var(--down)}
.au__strength.fair   .au__sbar i{background:var(--warn)}
.au__strength.good   .au__sbar i{background:#5bc0de}
.au__strength.strong .au__sbar i{background:var(--up)}
.au__strength.weak   span{color:var(--down)}
.au__strength.fair   span{color:var(--warn)}
.au__strength.strong span{color:var(--up)}

.au__opts{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.au__check{display:flex;align-items:flex-start;gap:9px;cursor:pointer;font-size:12.5px;color:var(--muted);line-height:1.45}
.au__check input{position:absolute;opacity:0;width:0;height:0}
.au__check span{width:18px;height:18px;border:1.5px solid var(--line2);border-radius:5px;flex-shrink:0;
  background:var(--panel2);transition:all var(--fast);position:relative;margin-top:1px}
.au__check input:checked+span{background:var(--up);border-color:var(--up)}
.au__check input:checked+span::after{content:"";position:absolute;left:5px;top:1.5px;width:5px;height:10px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.au__check input:focus-visible+span{box-shadow:0 0 0 3px rgba(2,111,211,.25)}
.au__check em{font-style:normal}
.au__check a{color:var(--acc);text-decoration:underline}
.au__link{background:none;border:none;color:var(--acc);font-size:12.5px;font-weight:600;cursor:pointer;
  padding:0;font-family:inherit;white-space:nowrap}
.au__link:hover{text-decoration:underline}

.au__err[hidden]{display:none}          /* [hidden] must beat display:flex */
.au__err{display:flex;align-items:flex-start;gap:9px;background:var(--down-dim);border:1px solid rgba(235,77,75,.3);
  color:var(--down);border-radius:8px;padding:11px 13px;font-size:12.5px;margin-bottom:14px;line-height:1.45;
  animation:fade .2s var(--ease)}
.au__err svg{width:15px;height:15px;flex-shrink:0;margin-top:1px}
.au__submit{height:46px;font-size:14.5px;margin-bottom:4px}
.au__spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;display:inline-block;margin-right:8px;vertical-align:-2px;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.au__foot{padding:6px 26px 24px}
.au__or{display:flex;align-items:center;gap:12px;margin:14px 0;color:var(--muted2);font-size:11.5px}
.au__or::before,.au__or::after{content:"";flex:1;height:1px;background:var(--line)}
.au__note{display:flex;gap:8px;font-size:11px;color:var(--muted2);line-height:1.5;margin-top:14px}
.au__note svg{width:12px;height:12px;flex-shrink:0;margin-top:2px}

/* ---------- header auth ---------- */
.authbtns{display:flex;gap:8px}
.acctmenu{position:relative}
.acctmenu__pop{position:absolute;top:calc(100% + 9px);right:0;width:246px;background:var(--panel);
  border:1px solid var(--line2);border-radius:10px;box-shadow:var(--sh2);padding:7px;display:none;z-index:120;
  animation:pop .2s var(--ease)}
.acctmenu__pop.on{display:block}
.acctmenu__u{display:flex;align-items:center;gap:11px;padding:11px 11px 13px;border-bottom:1px solid var(--line);margin-bottom:6px}
.acctmenu__av{width:38px;height:38px;border-radius:9px;background:var(--grad);display:grid;place-items:center;
  font-weight:900;font-size:13px;color:#fff;flex-shrink:0}
.acctmenu__u b{display:block;font-size:13.5px;line-height:1.3}
.acctmenu__u span{font-size:11.5px;color:var(--muted2);word-break:break-all}
.acctmenu__pop a,.acctmenu__pop button{display:flex;align-items:center;gap:10px;width:100%;padding:9px 11px;
  border:none;background:transparent;border-radius:7px;color:var(--muted);font-size:13px;font-weight:500;
  cursor:pointer;transition:all var(--fast);text-align:left;font-family:inherit}
.acctmenu__pop a:hover,.acctmenu__pop button:hover{background:var(--panel2);color:var(--text)}
.acctmenu__pop svg{width:15px;height:15px}
.acctmenu__pop .danger{color:var(--down)}
.acctmenu__pop .danger:hover{background:var(--down-dim);color:var(--down)}
.acctmenu__sep{height:1px;background:var(--line);margin:6px 0}
.guestpill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:99px;
  background:rgba(240,161,50,.14);color:var(--warn);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}

@media(max-width:900px){
  .authbtns .btn span{display:none}
}
@media(max-width:520px){
  .au{max-width:100%}
  .au__head{padding:22px 18px 0}
  .au__body{padding:18px 18px 4px}
  .au__foot{padding:6px 18px 20px}
  .au__row{grid-template-columns:1fr}
}