/* CustomerAuthModal — bottom sheet on phones, centred dialog on desktop. */
.am{position:fixed;inset:0;z-index:2000;display:flex;align-items:flex-end;justify-content:center}
.am[hidden]{display:none}
.am .am-backdrop{position:absolute;inset:0;background:rgba(17,24,39,.55);opacity:0;transition:opacity .2s}
.am.is-open .am-backdrop{opacity:1}
.am .am-panel{position:relative;width:100%;max-width:440px;max-height:92vh;overflow:auto;background:#fff;color:#111827;
  border-radius:22px 22px 0 0;padding:28px 22px calc(22px + env(safe-area-inset-bottom,0px));
  box-shadow:0 -12px 40px rgba(17,24,39,.18);transform:translateY(100%);transition:transform .25s ease-out;
  font-family:inherit}
.am.is-open .am-panel{transform:none}
@media (min-width:640px){.am{align-items:center}
.am .am-panel{border-radius:20px;padding:32px 30px}
.am .am-panel{transform:translateY(16px);opacity:0;transition:transform .2s,opacity .2s}
.am.is-open .am-panel{opacity:1}}
@media (prefers-reduced-motion:reduce){.am .am-panel,.am .am-backdrop{transition:none}}
.am .am-x{position:absolute;top:10px;right:12px;width:44px;height:44px;border:0;background:none;font-size:28px;line-height:1;color:#6b7280;cursor:pointer;border-radius:50%}
.am .am-x:hover,.am .am-x:focus-visible{background:#f3f4f6;color:#111827}
.am .am-badge{width:52px;height:52px;border-radius:14px;background:#e7f7f1;color:#0f9f6e;display:grid;place-items:center;margin-bottom:14px}
.am .am-badge svg{width:28px;height:28px;fill:currentColor}
.am .am-title{font-size:1.4rem;line-height:1.25;margin:0 0 6px;font-weight:700;letter-spacing:-.01em}
.am .am-sub{margin:0 0 20px;color:#4b5563;font-size:.95rem;line-height:1.5}
.am .am-label{display:block;font-size:.85rem;font-weight:600;margin:0 0 6px;color:#374151}
.am .am-phone{display:flex;align-items:stretch;border:1.5px solid #d1d5db;border-radius:12px;overflow:hidden;background:#fff}
.am .am-phone:focus-within,.am .am-code:focus,.am #am-name:focus{border-color:#da0615;box-shadow:0 0 0 3px #fdebed;outline:0}
.am .am-cc{display:flex;align-items:center;padding:0 12px;background:#f7f7f5;font-weight:600;border-right:1.5px solid #e5e7eb;color:#374151}
.am .am-phone input{flex:1;min-width:0;border:0;padding:14px 12px;font-size:1.15rem;letter-spacing:.04em;outline:0;background:transparent}
.am .am-code,.am #am-name{width:100%;box-sizing:border-box;border:1.5px solid #d1d5db;border-radius:12px;padding:14px;font-size:1.1rem;background:#fff}
.am .am-code{font-size:1.6rem;letter-spacing:.5em;text-align:center;font-variant-numeric:tabular-nums}
.am .am-err{margin:10px 0 0;color:#b4233a;background:#fdecef;border-radius:10px;padding:9px 12px;font-size:.9rem}
.am .am-btn{margin-top:16px;width:100%;min-height:52px;border:0;border-radius:12px;background:#da0615;color:#fff;font-weight:700;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}
.am .am-btn:hover{background:#ad040f}
.am .am-btn:focus-visible{outline:3px solid #111827;outline-offset:2px}
.am .am-btn[disabled]{opacity:.65;cursor:progress}
.am .am-btn.is-busy span::after{content:'';display:inline-block;width:14px;height:14px;margin-left:10px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:amspin .7s linear infinite;vertical-align:-2px}
@keyframes amspin{to{transform:rotate(360deg)}}
.am .am-row{display:flex;justify-content:space-between;gap:10px;margin-top:14px}
.am .am-link{background:none;border:0;color:#da0615;font-weight:600;padding:10px 4px;cursor:pointer;min-height:44px;font-size:.92rem}
.am .am-link[disabled]{color:#9ca3af;cursor:default}
.am .am-fine{margin:14px 0 0;font-size:.8rem;color:#6b7280}
.am .am-fine a{color:inherit}
.am .am-tick{width:60px;height:60px;border-radius:50%;background:#0f9f6e;color:#fff;font-size:30px;display:grid;place-items:center;margin-bottom:14px}body.am-lock{overflow:hidden}
/* SMS fallback (Firebase) — shown only after WhatsApp could not deliver. */
.am .am-fallback{margin-top:14px;padding:14px;border:1px solid #fde2c4;background:#fff8ef;border-radius:14px}
.am .am-fallback p{margin:0;font-size:.88rem;line-height:1.45;color:#5b3a12}
.am .am-fallback .am-btn{margin-top:10px}
.am .am-btn-alt{background:#111827}
.am .am-btn-alt:hover{background:#000}
.am.am-via-sms .am-badge{background:#eef2ff;color:#4338ca}