/* ============================================================
   後置綁定郵箱（js/bind-email.js）：彈窗、非阻斷卡片、內嵌表單
   ============================================================ */
.bm-modal { position: fixed; inset: 0; z-index: 130; display: grid; place-items: center; padding: 16px; opacity: 0; transition: opacity .2s; }
.bm-modal.is-open { opacity: 1; }
.bm-scrim { position: absolute; inset: 0; background: rgba(10, 8, 7, .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.bm-dialog { position: relative; width: min(440px, 100%); padding: 24px; border: 1px solid rgba(210, 160, 110, .45); border-radius: 0; background: linear-gradient(170deg, #241C1A, #171211); color: var(--c-text); transform: translateY(8px); transition: transform .3s var(--ease-power4); }
.bm-modal.is-open .bm-dialog { transform: none; }
.bm-head { position: relative; padding-right: 36px; }
.bm-head h2 { margin-top: 6px; font-size: 19px; font-weight: 400; line-height: 1.45; }
.bm-x { position: absolute; right: -6px; top: -6px; width: 32px; height: 32px; border-radius: 4px; font-size: 18px; color: rgba(247, 247, 247, .55); }
.bm-x:hover { color: var(--c-text); background: rgba(247, 247, 247, .06); }
.bm-k { font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .14em; color: var(--c-accent); }
.bm-desc { margin: 10px 0 18px; font-size: 13.5px; line-height: 1.8; color: rgba(247, 247, 247, .66); }

.bm-form { display: flex; flex-direction: column; gap: 8px; }
.bm-input { width: 100%; padding: 13px 16px; border: 1px dashed var(--line-on-dark); border-radius: 999px; background: rgba(247, 247, 247, .03); color: var(--c-text); font-size: 14px; }
.bm-input:focus { outline: none; border-color: rgba(210, 160, 110, .65); }
.bm-err { min-height: 18px; display: flex; align-items: center; gap: 8px; font-size: 12px; color: #E8B3A4; }
.bm-ops { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.bm-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; background: var(--c-accent); color: #16120F; font-size: 13.5px; font-weight: 500; transition: background-color .2s; }
.bm-btn:hover { background: #E0B384; }
.bm-btn:disabled { opacity: .6; cursor: progress; }
.bm-ghost { padding: 10px 16px; border: 1px solid var(--line-on-dark); border-radius: 999px; font-size: 13.5px; color: rgba(247, 247, 247, .78); }
.bm-ghost:hover { border-color: rgba(210, 160, 110, .6); }
.bm-link { margin-left: 10px; font-size: 12.5px; color: var(--c-accent); border-bottom: 1px dashed rgba(210, 160, 110, .5); }
.bm-sub { font-size: 13px; color: rgba(247, 247, 247, .7); }
.bm-sub b { font-family: var(--mono); font-weight: 500; color: var(--c-text); }
.bm-otp { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; margin: 14px 0 4px; }
.bm-otp input { width: 100%; aspect-ratio: .9; padding: 0; text-align: center; border: 1px dashed var(--line-on-dark); border-radius: 8px; background: rgba(247, 247, 247, .03); color: var(--c-text); font-family: var(--mono); font-size: 20px; }
.bm-otp input:focus { outline: none; border-style: solid; border-color: var(--c-accent); }
.bm-hint { font-size: 11px; line-height: 1.7; color: rgba(247, 247, 247, .4); }
.bm-ok { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px 0; text-align: center; }
.bm-ok span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--c-accent); color: #16120F; font-weight: 700; }
.bm-ok b { font-size: 16px; font-weight: 500; }
.bm-ok p { font-size: 12.5px; color: rgba(247, 247, 247, .6); }
.bm-conflict b { display: block; font-size: 15px; font-weight: 500; color: #E6C27A; }
.bm-conflict p { margin: 8px 0 6px; font-size: 13px; line-height: 1.8; color: rgba(247, 247, 247, .68); }
.bm-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bm-spin { width: 13px; height: 13px; flex: none; border-radius: 50%; border: 2px solid rgba(22, 18, 15, .25); border-top-color: currentColor; animation: bmSpin .8s linear infinite; }
@keyframes bmSpin { to { transform: rotate(360deg); } }

/* 非阻斷卡片：左下角浮出，不擋操作（右下角留給 AI 天使 Orb） */
.bm-nudge { position: fixed; left: clamp(12px, 2vw, 24px); bottom: calc(var(--orb-lift, 0px) + 20px); z-index: 82; width: min(340px, calc(100vw - 24px)); display: flex; flex-direction: column; gap: 8px; padding: 16px 18px; border: 1px dashed rgba(210, 160, 110, .6); border-radius: 0; background: rgba(27, 21, 20, .97); color: var(--c-text); opacity: 0; transform: translateY(10px); transition: opacity .25s, transform .3s var(--ease-power4); }
.bm-nudge.is-open { opacity: 1; transform: none; }
.bm-nudge b { font-size: 14px; font-weight: 500; line-height: 1.55; }
.bm-nudge .bm-btn, .bm-nudge .bm-ghost { padding: 8px 14px; font-size: 12.5px; }
@media (max-width: 560px) { .bm-nudge { width: calc(100vw - 110px); } }

@media (prefers-reduced-motion: reduce) {
  .bm-modal, .bm-dialog, .bm-nudge { transition: none; }
  .bm-spin { animation-duration: 2.4s; }
}