/* ============================================================
   MODULE 2 — Authentication (buyer + seller)
   Scoped under .sh-auth*. Decoupled from Module 1: it only
   augments the existing #sh-account button in the header.
   ============================================================ */

/* "Become a Seller" header CTA (next to the account button) */
.sh-become-seller{border:1px solid rgba(255,255,255,.55);background:transparent;color:#fff;font-family:inherit;font-weight:700;font-size:12.5px;border-radius:20px;padding:7px 14px;cursor:pointer;white-space:nowrap;transition:.15s}
.sh-become-seller:hover{background:var(--sh-gold);border-color:var(--sh-gold);color:var(--sh-navy)}
@media(max-width:640px){.sh-become-seller{display:none}}

/* Seller doc uploads */
.sh-s-hint{color:var(--sh-muted);font-weight:400;font-size:11.5px}
.sh-s-file{width:100%;font-size:13px;font-family:inherit;padding:8px;border:1px dashed var(--sh-line);border-radius:10px;background:var(--sh-bg-soft);cursor:pointer;box-sizing:border-box}
.sh-s-file::file-selector-button{border:0;background:var(--sh-navy);color:#fff;border-radius:7px;padding:6px 12px;font-family:inherit;font-weight:700;font-size:12px;cursor:pointer;margin-right:10px}

/* Show Password toggle */
.sh-showpass{display:flex;align-items:center;gap:8px;font-size:13px;color:#444;margin:-2px 0 12px;cursor:pointer;user-select:none}
.sh-showpass input{width:16px;height:16px;accent-color:var(--sh-navy);cursor:pointer}

/* Registration wizard */
.sh-reg-icon{border:0;background:transparent;font-size:22px;line-height:1;color:var(--sh-muted);cursor:pointer;padding:4px 6px;border-radius:8px}
.sh-reg-icon:hover{background:var(--sh-bg-soft);color:var(--sh-navy)}
.sh-reg-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:420px){.sh-reg-row{grid-template-columns:1fr}}
.sh-reg-phone{display:flex;gap:8px}
.sh-reg-cc{display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--sh-line);border-radius:10px;background:var(--sh-bg-soft);font-weight:700;font-size:14px;white-space:nowrap}
.sh-reg-phone input{flex:1}
.sh-reg-otp{letter-spacing:8px;text-align:center;font-size:20px;font-weight:700}
#sh-reg-ov .sh-auth__body{max-height:78vh;overflow-y:auto}

/* overlay + modal — auto-fits the viewport; long forms scroll inside */
.sh-auth__overlay{
  position:fixed;inset:0;z-index:1000;display:none;
  align-items:center;justify-content:center;padding:18px;
  background:rgba(10,16,35,.55);backdrop-filter:blur(3px);
  overflow-y:auto;                     /* let the overlay scroll if a form is very tall */
}
.sh-auth__overlay.open{display:flex}
.sh-auth__modal{
  width:100%;max-width:430px;background:#fff;border-radius:18px;
  box-shadow:0 24px 70px rgba(10,16,35,.4);overflow:hidden;
  animation:sh-auth-pop .22s ease;
  display:flex;flex-direction:column;
  max-height:calc(100vh - 36px);       /* never taller than the screen */
}
/* Head + tabs stay put; the body (fields + buttons) scrolls. */
.sh-auth__body{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}
@keyframes sh-auth-pop{from{transform:translateY(14px) scale(.98);opacity:0}to{transform:none;opacity:1}}

/* Mobile (e.g. iPhone 12 Pro): pin to top, trim padding so every field +
   the submit button are reachable without zooming. */
@media(max-width:560px){
  .sh-auth__overlay{align-items:flex-start;padding:8px}
  .sh-auth__modal{max-height:calc(100vh - 16px);border-radius:14px}
  .sh-auth__head{padding:16px 18px 4px}
  .sh-auth__tabs{margin:10px 18px 0}
  .sh-auth__body{padding:14px 18px 18px}
  .sh-field{margin-bottom:9px}
  .sh-field input,.sh-field select{padding:10px 11px}
  .sh-auth__perks{margin-bottom:10px;gap:5px}
  .sh-reg-row{gap:8px}
}
@media(max-height:640px){
  .sh-auth__head{padding-top:14px}
  .sh-auth__perks{display:none}      /* free up vertical space on short screens */
}

.sh-auth__head{position:relative;padding:22px 24px 6px;text-align:center}
.sh-auth__brand{font-size:20px;font-weight:800;color:var(--sh-navy)}
.sh-auth__brand span{color:var(--sh-gold)}
.sh-auth__close{position:absolute;top:14px;right:16px;border:0;background:transparent;
  font-size:22px;line-height:1;color:var(--sh-muted);cursor:pointer;padding:4px}
.sh-auth__close:hover{color:var(--sh-ink)}

/* tabs */
.sh-auth__tabs{display:flex;gap:0;margin:14px 24px 0;background:var(--sh-bg-soft);
  border-radius:30px;padding:4px}
.sh-auth__tab{flex:1;border:0;background:transparent;font-family:inherit;font-weight:700;
  font-size:13px;padding:10px;border-radius:30px;cursor:pointer;color:var(--sh-muted)}
.sh-auth__tab.active{background:#fff;color:var(--sh-navy);box-shadow:var(--sh-shadow-sm)}

.sh-auth__body{padding:20px 24px 26px}
.sh-auth__panel{display:none}
.sh-auth__panel.active{display:block}
.sh-auth__title{font-size:18px;font-weight:800;margin:0 0 2px}
.sh-auth__sub{font-size:13px;color:var(--sh-muted);margin:0 0 16px}

/* google + divider */
.sh-auth__google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  border:1px solid var(--sh-line);background:#fff;border-radius:10px;padding:11px;font-weight:600;
  font-size:14px;cursor:pointer;font-family:inherit;transition:.15s}
.sh-auth__google:hover{background:var(--sh-bg-soft);border-color:#cfd4e0}
.sh-auth__divider{display:flex;align-items:center;gap:10px;color:var(--sh-muted);font-size:12px;margin:16px 0}
.sh-auth__divider::before,.sh-auth__divider::after{content:"";flex:1;height:1px;background:var(--sh-line)}

/* fields */
.sh-field{margin-bottom:12px}
.sh-field label{display:block;font-size:12.5px;font-weight:600;margin-bottom:5px;color:#333}
.sh-field input,.sh-field select{width:100%;border:1px solid var(--sh-line);border-radius:10px;
  padding:11px 12px;font-size:14px;font-family:inherit;outline:0;background:#fff}
.sh-field input:focus,.sh-field select:focus{border-color:var(--sh-navy);box-shadow:0 0 0 3px rgba(15,27,61,.08)}
.sh-auth__error{color:var(--sh-red);font-size:12.5px;margin:2px 0 10px;display:none}
.sh-auth__error.show{display:block}
.sh-auth__submit{width:100%;margin-top:4px}
.sh-auth__foot{text-align:center;font-size:12.5px;color:var(--sh-muted);margin-top:14px}
.sh-auth__foot a{color:var(--sh-navy);font-weight:700;cursor:pointer}

/* seller extras */
.sh-auth__perks{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:7px}
.sh-auth__perks li{display:flex;align-items:center;gap:9px;font-size:13px;color:#333}
.sh-auth__perks li::before{content:"✓";color:var(--sh-green);font-weight:800}

/* success state */
.sh-auth__success{text-align:center;padding:8px 0 4px;display:none}
.sh-auth__success.show{display:block}
.sh-auth__check{width:62px;height:62px;border-radius:50%;background:rgba(31,170,89,.12);
  color:var(--sh-green);display:flex;align-items:center;justify-content:center;margin:6px auto 14px;font-size:32px}
.sh-auth__success h3{margin:0 0 6px;font-size:19px}
.sh-auth__success p{margin:0 0 18px;color:var(--sh-muted);font-size:14px}

/* logged-in account menu (anchored in header) */
.sh-acct-menu{position:absolute;top:calc(100% + 10px);right:0;min-width:210px;background:#fff;
  border:1px solid var(--sh-line);border-radius:12px;box-shadow:var(--sh-shadow);padding:8px;display:none;z-index:80}
.sh-acct-menu.open{display:block}
.sh-acct-menu__hi{padding:8px 10px;font-weight:700;color:var(--sh-navy);border-bottom:1px solid var(--sh-line);margin-bottom:6px}
.sh-acct-menu__item{display:block;width:100%;text-align:left;border:0;background:transparent;font-family:inherit;
  font-size:14px;padding:9px 10px;border-radius:8px;cursor:pointer;color:var(--sh-ink)}
.sh-acct-menu__item:hover{background:var(--sh-bg-soft)}
.sh-acct-menu__item--danger{color:var(--sh-red)}
/* make header account a positioning context for the menu */
#sh-account{position:relative}