/* ==========================
   语言切换弹窗 — 深色玻璃态
   （.modal-mask 已统一定义在 components.css）
   ========================= */

.lang-modal {
  background: rgba(18,18,36,0.96);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%; max-width: 480px;
  padding: 0 0 20px;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  backdrop-filter: saturate(180%) blur(32px);
  -webkit-backdrop-filter: saturate(180%) blur(32px);
  border-top: 1px solid rgba(255,255,255,0.08);
  max-height: 85vh; overflow-y: auto;
}
.modal-mask.show .lang-modal { transform: translateY(0); }

/* 底部拖拽把手 */
.lang-modal::before {
  content: ''; display: block;
  width: 36px; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.15); margin: 12px auto 0;
}

.lang-modal-title {
  font-size: var(--fs-xl); font-weight: 800; color: var(--text-main);
  text-align: center; padding: 16px 22px 0;
}

.lang-options { padding: 16px 22px 28px; display: flex; flex-direction: column; gap: 10px; }

.lang-opt {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.06);
  cursor: pointer; transition: all 0.25s cubic-bezier(.4,0,.2,1);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.lang-opt:active { transform: scale(0.98); }
.lang-opt.active {
  border-color: var(--primary);
  background: rgba(0,230,138,0.06);
  box-shadow: 0 0 0 3px rgba(0,230,138,0.08);
}

.lang-opt-flag { font-size: var(--icon-2xl); line-height: 1; flex-shrink: 0; }

.lang-opt-name {
  font-size: var(--fs-lg); font-weight: 700; color: var(--text-main); flex: 1;
}
.lang-opt.active .lang-opt-name { color: var(--primary); }

.lang-opt-check {
  font-size: var(--icon-xl); color: var(--primary);
  opacity: 0; transition: opacity 0.2s;
}
.lang-opt.active .lang-opt-check { opacity: 1; }

.lang-confirm-wrap { padding: 0; }

.btn-lang-confirm {
  width: calc(100% - 44px); margin: 0 22px 28px;
  background: var(--primary);
  color: #0B1426; border: 1.5px solid var(--primary-dark);
  border-radius: var(--radius-md); padding: 15px;
  font-size: var(--fs-lg); font-weight: 800; cursor: pointer;
  letter-spacing: 1px; transition: all 0.25s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 6px 28px rgba(0,230,138,0.18);
}
.btn-lang-confirm:active { transform: scale(0.98); opacity: 0.9; }