/* =========================================================
   invite 頁(v12):開單送邀請表單(疊在 order.css 的卡片體系上)
   ========================================================= */
.inv-form { display: grid; gap: 16px; }
.inv-field { border: 0; padding: 0; min-width: 0; }
.inv-field legend {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  font-size: 14px; font-weight: 800; color: var(--text-soft); margin-bottom: 9px;
}
.inv-field legend small { font-size: 12px; font-weight: 700; color: var(--text-faint); }
.inv-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.inv-input {
  width: 100%; border: 2px solid var(--line); border-radius: var(--radius-pill);
  background: var(--bg-elev); color: var(--text);
  padding: 11px 18px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.inv-input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-soft); }

.inv-block {
  display: flex; gap: 9px; align-items: flex-start;
  background: var(--st-busy-soft); color: var(--st-busy);
  border-radius: var(--radius); padding: 12px 15px;
  font-size: 13.5px; font-weight: 700; line-height: 1.6;
}
.inv-block svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 2px; }

.inv-rules { background: var(--bg); border-radius: var(--radius); padding: 16px 18px; }
.inv-rules h3 { display: flex; align-items: center; gap: 7px; font-size: 15px; margin-bottom: 10px; }
.inv-rules h3 svg { width: 16px; height: 16px; color: var(--coral); }
.inv-rules ul { display: grid; gap: 6px; }
.inv-rules li {
  position: relative; padding-left: 16px;
  font-size: 13px; color: var(--text-soft); line-height: 1.6;
}
.inv-rules li::before { content: ""; position: absolute; left: 3px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--coral); }
.inv-agree {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line);
  font-size: 14px; font-weight: 800; cursor: pointer;
}
.inv-agree input {
  width: 20px; height: 20px; border-radius: 6px; border: 2px solid var(--line-strong);
  background: var(--bg-elev); display: inline-grid; place-content: center; cursor: pointer;
}
.inv-agree input::before {
  content: ""; width: 10px; height: 10px; border-radius: 3px;
  background: var(--grad-brand); transform: scale(0); transition: transform .15s var(--ease);
}
.inv-agree input:checked { border-color: var(--coral); }
.inv-agree input:checked::before { transform: scale(1); }

.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------- 0047 登入頁:第三方主位 + 密碼收合(客人 / 夥伴同一套;手機優先) ---------- */
.oauth-block { display: grid; gap: 10px; }
.oauth-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-size: 16px; padding: 14px 18px; }
.oauth-btn svg { width: 22px; height: 22px; flex: 0 0 auto; }
.oauth-fake { display: grid; gap: 10px; padding: 12px; border-radius: var(--radius-sm); border: 1px dashed var(--line-strong); background: var(--bg); }
.oauth-fake-cap { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 12.5px; font-weight: 800; color: var(--text-soft); }
.oauth-fake-cap svg { width: 14px; height: 14px; }
.oauth-fake-row { display: grid; gap: 8px; grid-template-columns: 1fr; }
@media (min-width: 480px) { .oauth-fake-row { grid-template-columns: 3fr 2fr; } }
.oauth-alt { margin-top: 16px; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.oauth-alt summary { cursor: pointer; list-style: none; text-align: center; font-size: 14px; font-weight: 800; color: var(--text-soft); padding: 8px 0; }
.oauth-alt summary::-webkit-details-marker { display: none; }
.oauth-alt summary::after { content: " ▾"; font-size: 12px; }
.oauth-alt[open] summary::after { content: " ▴"; }
.oauth-alt .inv-form { margin-top: 8px; }