/* ============================================================
   组件样式
   ============================================================ */

.icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  color: var(--color-primary);
  transform: scale(1.05);
}
.icon-btn:active {
  transform: scale(0.92);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.btn:hover {
  background: var(--color-border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--color-primary-gradient);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-gradient-hover);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-primary) 30%, transparent);
  transform: translateY(-1px);
}
.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
  box-shadow: 0 4px 12px rgba(225, 112, 85, 0.3);
}
.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
}
.btn-block {
  width: 100%;
  justify-content: center;
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* 文件上传自定义 */
.file-upload-wrapper {
  position: relative;
  display: inline-block;
}
.file-upload-wrapper input[type="file"] {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.file-upload-wrapper .file-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  border: 1.5px dashed var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.file-upload-wrapper .file-upload-label:hover {
  background: var(--color-border);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.file-upload-wrapper .file-upload-label i {
  font-size: 1.1rem;
}
.file-upload-wrapper .file-upload-label .file-name {
  margin-left: 0.5rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.form-group {
  margin-bottom: var(--spacing-base);
}
.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.form-group .help-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-base);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-fast);
}
.card:hover {
  box-shadow: var(--shadow-md);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--spacing-base);
  animation: modalFadeIn 0.25s ease both;
}
.modal-overlay.hidden {
  display: none;
}
@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
.modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-2xl);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-light);
  position: relative;
  animation: modalContentIn 0.3s ease both;
}
@keyframes modalContentIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.modal-close {
  position: absolute;
  top: var(--spacing-base);
  right: var(--spacing-base);
  font-size: 1.5rem;
  color: var(--color-text-muted);
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--radius-circle);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.modal-close:hover {
  background: var(--color-border);
  transform: rotate(90deg);
}
.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
}

.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: var(--z-toast);
  max-width: 360px;
  width: 100%;
}
.toast {
  padding: 0.75rem 1.25rem;
  background: var(--color-bg-primary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toastSlideIn 0.3s ease both;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}
.toast-success { border-left-color: var(--color-secondary); }
.toast-error { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-icon { font-size: 1.2rem; }
.toast-msg { flex: 1; }

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* 隐藏模态框滚动条 */
.modal-content::-webkit-scrollbar {
  width: 0;
  background: transparent;
}
.modal-content {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

/* ============================================================
   旁白提示框（Banner）- 居中浮层
   ============================================================ */

.banner-container {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: var(--z-toast);
  max-width: 80%;
  min-width: 200px;
  padding: 0.75rem 1.5rem;
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: 1.6;
}

.banner-container.banner-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* 不同类型 */
.banner-container.banner-info {
  border-left: 4px solid var(--color-primary);
}
.banner-container.banner-success {
  border-left: 4px solid var(--color-secondary);
}
.banner-container.banner-error {
  border-left: 4px solid var(--color-danger);
}
.banner-container.banner-warning {
  border-left: 4px solid var(--color-warning);
}

.banner-content {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.banner-line {
  display: block;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .banner-container {
    top: 8%;
    max-width: 92%;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .banner-container {
    top: 6%;
    max-width: 96%;
    padding: 0.4rem 0.8rem;
  }
}

/* ============================================================
   通用预览组件
   用途：用户信息、角色表单、群组设置等多处
   ============================================================ */

.avatar-preview {
  width: 80px;
  height: 80px;
  max-width: 80px;
  max-height: 80px;
  border-radius: var(--radius-circle);
  object-fit: cover;
  background: var(--color-border);
  border: 2px dashed var(--color-border);
  flex-shrink: 0;
}

.bg-preview {
  max-width: 100%;
  max-height: 150px;
  width: auto;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
/* ============================================================
   进阶设定滑块（响应式布局）
   ------------------------------------------------------------
   ★ 移动端 range input 因 flexbox min-width:auto 会溢出模态框
   1. .adv-slider-input 加 min-width:0，允许收缩到 0
   2. 768px 以下改为两行布局，滑块占满整行
   ============================================================ */

.adv-slider-item {
  width: 100%;
}

.adv-slider-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.adv-slider-label {
  min-width: 90px;
  flex-shrink: 0;
  color: var(--color-text-primary);
}

.adv-slider-input {
  flex: 1;
  min-width: 0;              /* ★ 关键：打破 flexbox 的 auto 最小宽度 */
  width: 100%;
  box-sizing: border-box;
}

.adv-slider-input.inverted {
  direction: rtl;
}

.adv-slider-value {
  min-width: 40px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.adv-slider-hint {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-left: 98px;
  margin-top: 0.15rem;
  line-height: 1.4;
}

/* -------- 移动端：768px 以下改为两行布局 -------- */
@media (max-width: 768px) {
  .adv-slider-row {
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  .adv-slider-label {
    min-width: 0;
    flex: 1 1 auto;
    order: 1;
  }

  .adv-slider-value {
    min-width: 40px;
    order: 2;
    text-align: right;
  }

  .adv-slider-input {
    flex: 1 1 100%;
    order: 3;
    width: 100%;
    margin-top: 0.1rem;
  }

  .adv-slider-hint {
    margin-left: 0;
  }
}

/* -------- 小屏增强：480px 以下进一步压缩 -------- */
@media (max-width: 480px) {
  .adv-slider-row {
    gap: 0.2rem;
  }

  .adv-slider-label {
    font-size: 0.78rem;
  }

  .adv-slider-value {
    font-size: 0.72rem;
  }

  .adv-slider-hint {
    font-size: 0.68rem;
  }
}
/* ============================================================
   进阶设定 - 内联字段（label + select/input）
   ------------------------------------------------------------
   ★ 移动端 select 因 flexbox min-width:auto 会溢出 details 边框
   1. .adv-inline-select 加 min-width:0，允许收缩到 0
   2. 768px 以下改为两行布局，select 独占一行
   ============================================================ */

.adv-inline-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  width: 100%;
}

.adv-inline-label {
  flex-shrink: 0;
  min-width: 90px;
  color: var(--color-text-primary);
}

.adv-inline-select,
.adv-inline-input {
  flex: 1;
  min-width: 0;              /* ★ 关键：打破 flexbox 的 auto 最小宽度 */
  width: 100%;
  box-sizing: border-box;
}

.adv-inline-input-small {
  flex: 0 1 80px;
  min-width: 0;
  width: 80px;
  box-sizing: border-box;
}

.adv-inline-unit {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* -------- 移动端：768px 以下改为两行布局 -------- */
@media (max-width: 768px) {
  .adv-inline-field {
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  .adv-inline-label {
    flex: 1 1 100%;
    min-width: 0;
    order: 1;
  }

  .adv-inline-select,
  .adv-inline-input {
    flex: 1 1 100%;
    order: 2;
    /* 防止 iOS Safari 因 font-size < 16px 触发输入框自动缩放 */
    font-size: 16px;
  }

  .adv-inline-input-small {
    flex: 1 1 auto;
    order: 2;
	font-size: 16px;
  }

  .adv-inline-unit {
    order: 3;
  }
}

/* -------- 小屏增强：480px 以下进一步压缩 -------- */
@media (max-width: 480px) {
  .adv-inline-field {
    gap: 0.2rem;
  }

  .adv-inline-label {
    font-size: 0.78rem;
  }
}