/* ========================================
   Notification Settings CSS - 通知设置页
   ======================================== */

.notif-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  z-index: var(--z-drawer);
  flex-direction: column;
  overflow: hidden;
  display: none;
}

.notif-screen.is-active {
  display: flex;
}

/* 顶部导航栏 */
.notif-nav {
  height: var(--status-bar-height);
  margin-top: var(--safe-area-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
}

.notif-nav__back {
  display: flex;
  align-items: center;
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  margin-left: -8px;
}

.notif-nav__back svg {
  width: 24px;
  height: 24px;
  margin-right: 2px;
}

.notif-nav__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.notif-nav__right {
  width: 60px;
}

/* 可滚动内容区 */
.notif-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  padding-bottom: calc(var(--spacing-3xl) + var(--safe-area-bottom));
}

/* 设置分组 */
.notif-section {
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 20px;
  box-shadow: none;
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.notif-section__header {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 设置项 */
.notif-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.notif-item:last-child {
  border-bottom: none;
}

.notif-item--clickable {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.notif-item--clickable:active {
  background-color: var(--color-card-muted);
}

.notif-item__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-capsule-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.notif-item__icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-icon-primary);
}

.notif-item__info {
  flex: 1;
  min-width: 0;
}

.notif-item__title {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.notif-item__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-hint);
  line-height: 1.3;
}

.notif-item__value {
  color: var(--color-text-secondary);
}

.notif-item__arrow {
  width: 20px;
  height: 20px;
  color: var(--color-text-hint);
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
}

/* Toggle 开关 */
.notif-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
}

.notif-toggle__input {
  opacity: 0;
  width: 0;
  height: 0;
}

.notif-toggle__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border-light);
  border-radius: 26px;
  transition: background-color 0.3s ease;
}

.notif-toggle__slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background-color: #fff;
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.notif-toggle__input:checked + .notif-toggle__slider {
  background-color: var(--color-accent, #34c759);
}

.notif-toggle__input:checked + .notif-toggle__slider::before {
  transform: translateX(18px);
}

/* 铃声选择弹窗 */
.notif-ringtone-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.notif-ringtone-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.notif-ringtone-picker {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  max-height: 60%;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 101;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.notif-ringtone-picker.is-active {
  transform: translateY(0);
}

.notif-ringtone-picker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.notif-ringtone-picker__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.notif-ringtone-picker__close {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.notif-ringtone-picker__close svg {
  width: 20px;
  height: 20px;
}

.notif-ringtone-picker__list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm) 0;
}

.notif-ringtone-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.notif-ringtone-option:active {
  background-color: var(--color-card-muted);
}

.notif-ringtone-option.is-selected {
  color: var(--color-accent);
}

.notif-ringtone-option__name {
  flex: 1;
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
}

.notif-ringtone-option.is-selected .notif-ringtone-option__name {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

/* ---- 铃声导入区域 ---- */
.notif-ringtone-picker__import {
  padding: 16px 20px;
  border-top: 1px solid #f0f0f0;
}

.notif-ringtone-picker__import-title {
  font-size: 12px;
  color: #8e8e93;
  margin-bottom: 10px;
  font-weight: 500;
}

.notif-ringtone-picker__import-btns {
  display: flex;
  gap: 10px;
}

.notif-ringtone-import-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  border: 1.5px dashed #d1d1d6;
  border-radius: 10px;
  background: #fafafa;
  color: #333;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.notif-ringtone-import-btn:active {
  background: #f0f0f0;
  border-color: #007aff;
  color: #007aff;
}

.notif-ringtone-import-btn svg {
  width: 18px;
  height: 18px;
}

/* ---- URL 导入弹窗 ---- */
.notif-url-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.notif-url-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.notif-url-modal__card {
  width: 85%;
  max-width: 320px;
  background: #fff;
  border-radius: 14px;
  padding: 24px 20px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.notif-url-modal__title {
  font-size: 16px;
  font-weight: 600;
  color: #1c1c1e;
  margin-bottom: 14px;
  text-align: center;
}

.notif-url-modal__input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e5e5ea;
  border-radius: 8px;
  font-size: 14px;
  color: #333;
  margin-bottom: 10px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.notif-url-modal__input:focus {
  border-color: #007aff;
}

.notif-url-modal__btns {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.notif-url-modal__btn {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.notif-url-modal__btn--cancel {
  background: #f2f2f7;
  color: #666;
}

.notif-url-modal__btn--confirm {
  background: #007aff;
  color: #fff;
}

.notif-url-modal__btn:active {
  opacity: 0.7;
}

/* ---- 铃声删除按钮 ---- */
.notif-ringtone-option__delete {
  width: 18px;
  height: 18px;
  color: #ff3b30;
  margin-left: 8px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.notif-ringtone-option__delete:active {
  opacity: 1;
}

.notif-ringtone-option__check {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  opacity: 0;
}

.notif-ringtone-option.is-selected .notif-ringtone-option__check {
  opacity: 1;
}

/* ========================================
   后台保活分级按钮
   ======================================== */

.notif-item--column {
  flex-direction: column;
  align-items: stretch;
}

.notif-item__row {
  display: flex;
  align-items: center;
  width: 100%;
}

.notif-keep-alive-levels {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding: 0 4px;
}

.notif-level-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 6px;
  border: 1.5px solid #e5e5ea;
  border-radius: 12px;
  background: #fafafa;
  cursor: pointer;
  transition: all 0.2s ease;
}

.notif-level-btn:active {
  transform: scale(0.96);
}

.notif-level-btn.is-active {
  border-color: var(--color-accent, #007aff);
  background: rgba(0, 122, 255, 0.06);
}

.notif-level-btn.is-active[data-level="full"] {
  border-color: #e65100;
  background: rgba(230, 81, 0, 0.06);
}

.notif-level-btn__label {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 2px;
}

.notif-level-btn.is-active .notif-level-btn__label {
  color: var(--color-accent, #007aff);
}

.notif-level-btn.is-active[data-level="full"] .notif-level-btn__label {
  color: #e65100;
}

.notif-level-btn__desc {
  font-size: 11px;
  color: #999;
}

.notif-level-btn.is-active .notif-level-btn__desc {
  color: var(--color-accent, #007aff);
  opacity: 0.8;
}

.notif-level-btn.is-active[data-level="full"] .notif-level-btn__desc {
  color: #e65100;
  opacity: 0.8;
}

/* 保活提示文案 */
.notif-keep-alive-hint {
  display: none;
  margin-top: 10px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: #666;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 8px;
}