/**
 * 乐诗园 · 学员后台样式
 * Dashboard Specific Styles
 */

/* ===== 后端布局 ===== */
.dashboard-body {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.dashboard-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px;
}

/* ===== 个人主页头部 ===== */
.profile-header {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
  margin-bottom: 28px;
  box-shadow: var(--shadow-md);
}

.profile-bg {
  width: 100%;
  min-height: 280px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #6B2A3A 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  border-radius: var(--radius-lg);
}

.profile-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(201, 169, 110, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(200, 75, 49, 0.1) 0%, transparent 50%);
}

.profile-bg-overlay {
  position: relative;
  width: 100%;
  padding: 32px;
  padding-top: 60px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.15) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  gap: 24px;
  z-index: 1;
}

.profile-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-lg);
  background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
}

.profile-avatar.has-image {
  background-image: none;
}

.profile-avatar-btns {
  position: absolute;
  bottom: 4px;
  right: 4px;
  display: flex;
  gap: 6px;
}

.profile-avatar-edit {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.profile-avatar-edit:hover {
  transform: scale(1.15);
}

/* ===== 头像裁剪区 ===== */
.avatar-crop-wrap {
  margin-bottom: 16px;
}
.avatar-crop-area {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  cursor: move;
  background: #1a1a1a;
}
.avatar-crop-area img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  user-select: none;
  -webkit-user-drag: none;
}
.avatar-crop-frame {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-white), 0 0 0 6px rgba(139,30,58,0.3), inset 0 0 0 999px rgba(0,0,0,0.15);
  pointer-events: none;
  z-index: 2;
}
.avatar-crop-area.dragging img {
  transition: none;
}
.avatar-crop-area:not(.dragging) img {
  transition: none;
}

/* 扳手按钮 */
.avatar-crop-wrench {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(139,30,58,0.85);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.2s, background 0.2s;
}
.avatar-crop-wrench:hover {
  transform: scale(1.15) rotate(30deg);
  background: var(--color-primary);
}
.avatar-crop-wrench.active {
  background: var(--color-accent);
}

/* 缩放面板 */
.avatar-zoom-panel {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.7);
  border-radius: 20px;
  padding: 6px 14px;
  z-index: 3;
  backdrop-filter: blur(4px);
}
.avatar-zoom-panel.show {
  display: flex;
}
.zoom-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.zoom-btn:hover {
  background: rgba(255,255,255,0.3);
}
.zoom-slider {
  width: 100px;
  accent-color: #fff;
  height: 4px;
}

.profile-info {
  flex: 1;
  color: var(--color-white);
}

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  line-height: 1.3;
}

.profile-name .edit-icon {
  font-size: 0.85rem;
  opacity: 0.7;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.profile-name .edit-icon:hover {
  opacity: 1;
}

.profile-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.profile-tag {
  padding: 3px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.75rem;
  backdrop-filter: blur(8px);
}

.profile-bio {
  font-size: 0.85rem;
  opacity: 0.85;
  max-width: 500px;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* 个人详情信息（城市、性别、生日） */
.profile-details {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.profile-detail-item {
  font-size: 0.8rem;
  opacity: 0.75;
  display: flex;
  align-items: center;
  gap: 4px;
}

.profile-detail-item i {
  font-size: 0.7rem;
  opacity: 0.6;
}

.profile-detail-empty {
  font-size: 0.78rem;
  opacity: 0.45;
  font-style: italic;
}

/* 个人宣言 */
.profile-motto {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  border-left: 3px solid rgba(255, 255, 255, 0.5);
  max-width: 500px;
  backdrop-filter: blur(4px);
  position: relative;
}

.motto-icon {
  font-size: 0.85rem;
  opacity: 0.6;
  flex-shrink: 0;
}

.profile-motto-text {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.5;
  flex: 1;
}

.motto-edit-icon {
  font-size: 0.75rem;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.motto-edit-icon:hover {
  opacity: 1;
}

/* 名称内联编辑 */
.profile-name-text {
  cursor: default;
  word-break: break-word;
  overflow-wrap: break-word;
}

.profile-name-input-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: fadeIn 0.2s ease;
}

.profile-name-field {
  width: 180px;
  padding: 4px 10px;
  border: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  outline: none;
  border-radius: 2px;
}

.profile-name-field:focus {
  border-bottom-color: white;
  background: rgba(255, 255, 255, 0.2);
}

.profile-name-save,
.profile-name-cancel {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.profile-name-save {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

.profile-name-save:hover {
  background: rgba(255, 255, 255, 0.5);
}

.profile-name-cancel {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
}

.profile-name-cancel:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 宣言内联编辑 */
.profile-motto-input-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  animation: fadeIn 0.2s ease;
}

.profile-motto-field {
  flex: 1;
  padding: 4px 10px;
  border: none;
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-family: var(--font-serif);
  font-size: 0.82rem;
  font-style: italic;
  outline: none;
  border-radius: 2px;
}

.profile-motto-field:focus {
  border-bottom-color: white;
  background: rgba(255, 255, 255, 0.15);
}

.profile-motto-save,
.profile-motto-cancel {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: all var(--transition-fast);
}

.profile-motto-save {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

.profile-motto-save:hover {
  background: rgba(255, 255, 255, 0.5);
}

.profile-motto-cancel {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
}

.profile-motto-cancel:hover {
  background: rgba(255, 255, 255, 0.3);
}

.profile-stats {
  display: flex;
  gap: 32px;
  margin-top: 16px;
}

.profile-stat {
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.profile-stat:hover {
  transform: translateY(-2px);
}

.profile-stat-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
}

.profile-stat-label {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ===== 操作按钮区 ===== */
.profile-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 32px 24px;
  background: var(--color-white);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ===== 双大色块入口 ===== */
.big-module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.big-module-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  min-height: 110px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.big-module-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.big-module-card:active {
  transform: translateY(-1px);
}

/* 课程卡片——玫瑰红渐变 */
.big-module-courses .big-module-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #8B1E3A 0%, #B84538 50%, #C84B31 100%);
}

/* 作品卡片——暖金渐变 */
.big-module-works .big-module-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #D4A853 0%, #C8963E 50%, #B87D2A 100%);
}

/* 成为学员卡片——青竹渐变 */
.big-module-become-student .big-module-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2E7D6F 0%, #389B8B 50%, #4DB6A0 100%);
}

.big-module-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.big-module-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 20px;
  color: #fff;
}

.big-module-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.big-module-info {
  flex: 1;
  min-width: 0;
}

.big-module-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.big-module-sub {
  font-size: 0.8rem;
  opacity: 0.8;
}

.big-module-arrow {
  flex-shrink: 0;
  font-size: 1.1rem;
  opacity: 0.7;
  transition: transform 0.3s ease;
}

.big-module-card:hover .big-module-arrow {
  transform: translateX(3px);
  opacity: 1;
}

.big-module-card.expanded .big-module-arrow i {
  display: inline-block;
  transform: rotate(90deg);
}

/* ===== 模块通用 ===== */
.dash-module {
  margin-bottom: 28px;
}

.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 0 4px;
}

.module-header-clickable {
  cursor: pointer;
  user-select: none;
  padding: 8px 12px;
  margin: -8px -12px 16px -12px;
  border-radius: var(--radius-lg);
  transition: background 0.2s;
}
.module-header-clickable:hover {
  background: rgba(139,30,58,0.03);
}

.module-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.module-chevron {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}
.dash-module-collapse.expanded .module-chevron {
  transform: rotate(180deg);
}

.module-collapse-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.dash-module-collapse.expanded .module-collapse-body {
  max-height: 2000px;
}

.module-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.module-title-icon {
  color: var(--color-primary);
  font-size: 1.15rem;
}

.module-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
}

.module-more {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.module-more:hover {
  color: var(--color-primary);
}

/* ===== 课程卡片网格 ===== */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.course-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.course-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.course-cover {
  height: 120px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-level {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
}

.course-level.level-mid {
  background: rgba(255,255,255,0.25);
}

.course-level.level-high {
  background: rgba(255,255,255,0.3);
}

.course-level.level-begin {
  background: rgba(255,255,255,0.25);
}

.course-cover-icon {
  font-size: 2.2rem;
  color: rgba(255,255,255,0.35);
}

.course-body {
  padding: 16px 18px;
}

.course-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-teacher {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.course-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-warm-gray);
  border-radius: 3px;
  overflow: hidden;
}

.course-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.course-progress-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.course-meta {
  display: flex;
  gap: 16px;
  font-size: 0.73rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.course-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-enter-btn {
  display: block;
  text-align: center;
  padding: 8px 0;
  border-radius: var(--radius-md);
  background: var(--color-warm-gray);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.course-enter-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

/* 课程描述行 */
.course-desc-row {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 隐私徽章 */
.privacy-public,
.privacy-private {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 500;
  z-index: 2;
}
.privacy-public {
  background: rgba(123, 168, 143, 0.85);
  color: #fff;
}
.privacy-private {
  background: rgba(150, 150, 150, 0.75);
  color: #fff;
}

/* ===== 隐私切换按钮 ===== */
.privacy-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  z-index: 5;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 3px;
}

.privacy-public-btn {
  background: rgba(123, 168, 143, 0.85);
  color: #fff;
}

.privacy-public-btn:hover {
  background: rgba(123, 168, 143, 1);
  transform: scale(1.05);
}

.privacy-private-btn {
  background: rgba(150, 150, 150, 0.75);
  color: #fff;
}

.privacy-private-btn:hover {
  background: rgba(200, 60, 60, 0.85);
  transform: scale(1.05);
}

.work-privacy-toggle {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  z-index: 5;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 3px;
}

/* 删除作品按钮 */
.work-delete-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 0.75rem;
  cursor: pointer;
  z-index: 5;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}
.work-card:hover .work-delete-btn {
  opacity: 1;
  pointer-events: auto;
}
.work-delete-btn:hover {
  background: rgba(220, 50, 50, 0.9);
  transform: scale(1.15);
}

/* ===== Tab 导航 ===== */
.dashboard-tabs {
  display: flex;
  gap: 4px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 6px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.dashboard-tab {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: none;
  background: none;
  font-family: var(--font-sans);
}

.dashboard-tab:hover {
  color: var(--color-primary);
  background: rgba(43, 58, 103, 0.04);
}

.dashboard-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ===== 作品瀑布流 ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.work-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid var(--color-border);
}

.work-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.work-cover {
  width: 100%;
  height: 160px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.work-cover::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
}

.work-cover-wave {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 32px;
  opacity: 0.6;
}

.work-cover-wave span {
  flex: 1;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 1px;
  min-height: 4px;
}

.work-type-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.work-copyright-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.75rem;
  backdrop-filter: blur(8px);
}

.work-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.1rem;
  opacity: 0;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
}

.work-card:hover .work-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.work-play-btn.playing {
  opacity: 1;
  animation: playPulse 1.5s ease-in-out infinite;
}

@keyframes playPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 0 0 rgba(139,30,58,0.4); }
  50% { transform: translate(-50%, -50%) scale(1.08); box-shadow: 0 0 0 12px rgba(139,30,58,0); }
}

.work-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.work-info {
  padding: 16px;
}

.work-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.work-stats {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.work-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.work-interact {
  display: flex;
  justify-content: space-around;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.work-interact-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.work-interact-btn:hover {
  background: var(--color-warm-gray);
  color: var(--color-primary);
}

.work-interact-btn.liked {
  color: var(--color-accent);
}

.work-interact-btn.liked i {
  color: var(--color-accent);
}

/* ===== 互动栏图标颜色 ===== */
.work-interact-btn[data-type="flower"]:hover { color: var(--color-bamboo); }
.work-interact-btn[data-type="gift"]:hover { color: var(--color-gold); }
.work-interact-btn[data-type="comment"]:hover { color: var(--color-primary); }
.work-interact-btn[data-type="share"]:hover { color: var(--color-primary); }

/* ===== 课程页面 ===== */
.class-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.class-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.class-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.class-title h3 {
  margin: 0;
}

.class-teachers {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.class-teacher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.class-teacher-info {
  display: flex;
  flex-direction: column;
}

.class-teacher-role {
  font-size: 0.7rem;
  color: var(--color-text-light);
}

.class-teacher-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ===== 作业时间线 ===== */
.homework-timeline {
  position: relative;
  padding-left: 32px;
}

.homework-timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.homework-item {
  position: relative;
  margin-bottom: 20px;
}

.homework-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  z-index: 1;
}

.homework-item.completed::before {
  background: var(--color-primary);
}

.homework-item.overdue::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.homework-content {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.homework-content:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.homework-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.homework-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  display: flex;
  gap: 16px;
}

/* ===== 语音条 ===== */
.voice-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-warm-gray);
  border-radius: var(--radius-full);
  padding: 10px 20px;
  max-width: 400px;
}

.voice-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.voice-play-btn:hover {
  transform: scale(1.1);
}

.voice-wave {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 2px;
  height: 24px;
  color: var(--color-primary);
}

.voice-wave span {
  flex: 1;
  background: currentColor;
  border-radius: 1px;
  min-height: 4px;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.voice-wave.playing span {
  animation: voiceWave 0.8s ease-in-out infinite;
}

.voice-wave span:nth-child(odd) { animation-delay: 0.1s; }
.voice-wave span:nth-child(3n) { animation-delay: 0.2s; }
.voice-wave span:nth-child(4n) { animation-delay: 0.3s; }

@keyframes voiceWave {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

.voice-duration {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* 录音按钮 */
.voice-record-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  background: var(--color-warm-gray);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  width: 100%;
}

.voice-record-btn:hover {
  border-color: var(--color-primary);
  background: rgba(43, 58, 103, 0.04);
}

.voice-record-btn.recording {
  background: rgba(200, 75, 49, 0.08);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.voice-record-btn.recording i {
  animation: pulse 1s ease-in-out infinite;
}

/* ===== 礼品库 ===== */
.gift-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}

.gift-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.gift-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.05), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gift-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.gift-card:hover::before {
  opacity: 1;
}

.gift-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
  display: block;
}

.gift-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.gift-qty {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.gift-tag {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.gift-tag.free { background: rgba(123, 168, 143, 0.15); color: var(--color-bamboo); }
.gift-tag.paid { background: rgba(201, 169, 110, 0.15); color: var(--color-gold-dark); }
.gift-tag.limited { background: rgba(200, 75, 49, 0.15); color: var(--color-accent); }
.gift-tag.exclusive { background: rgba(43, 58, 103, 0.15); color: var(--color-primary); }

/* ===== 礼物选择面板 ===== */
.gift-panel {
  position: fixed;
  bottom: -100%;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 600px;
  background: var(--color-white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-xl);
  padding: 24px;
  z-index: 1100;
  transition: bottom var(--transition-base);
  max-height: 60vh;
  overflow-y: auto;
}

.gift-panel.show {
  bottom: 0;
}

.gift-panel-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1050;
  display: none;
}

.gift-panel-overlay.show {
  display: block;
}

/* ===== 模态框 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1200;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.3s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--color-warm-gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ===== 表单 ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 58, 103, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row > .form-group {
  flex: 1;
}

/* 身份选择（印章样式） */
.identity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.identity-option {
  position: relative;
  padding: 16px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.identity-option:hover {
  border-color: var(--color-primary);
}

.identity-option.selected {
  border-color: var(--color-accent);
  background: rgba(200, 75, 49, 0.04);
}

.identity-option.selected::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 6px;
  right: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.identity-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.identity-option.selected .identity-icon {
  color: var(--color-accent);
}

.identity-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
}

.identity-desc {
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ===== 文件上传 ===== */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-warm-gray);
}

.upload-zone:hover {
  border-color: var(--color-primary);
  background: rgba(43, 58, 103, 0.02);
}

.upload-zone.dragover {
  border-color: var(--color-accent);
  background: rgba(200, 75, 49, 0.04);
}

.upload-icon {
  font-size: 2.5rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.upload-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ===== 充值中心 ===== */
.recharge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.recharge-option {
  padding: 20px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.recharge-option:hover {
  border-color: var(--color-gold);
}

.recharge-option.selected {
  border-color: var(--color-gold);
  background: rgba(201, 169, 110, 0.05);
}

.recharge-amount {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.recharge-coins {
  font-size: 0.8rem;
  color: var(--color-gold-dark);
  margin-top: 4px;
}

.recharge-bonus {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* ===== 版权管理 ===== */
.copyright-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  align-items: center;
  transition: all var(--transition-base);
  margin-bottom: 16px;
}

.copyright-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.copyright-cert {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.copyright-info {
  flex: 1;
}

.copyright-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.copyright-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== 主播签约 ===== */
.contract-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.contract-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
}

/* ===== 平台认证卡片 ===== */
.platform-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  margin-bottom: 12px;
}

.platform-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.platform-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.platform-info {
  flex: 1;
}

.platform-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.platform-status {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ===== 相机拍照 ===== */
.camera-preview-wrap {
  width: 100%;
  min-height: 260px;
  background: #1a1a1a;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.camera-video {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.camera-placeholder {
  text-align: center;
  padding: 40px 20px;
}

.camera-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .profile-bg {
    min-height: 220px;
  }

  .profile-bg-overlay {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 16px;
  }

  .profile-avatar {
    width: 90px;
    height: 90px;
    font-size: 1.8rem;
  }

  .profile-stats {
    justify-content: center;
    gap: 20px;
  }

  .profile-actions {
    justify-content: center;
    padding: 16px;
  }

  .big-module-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .big-module-inner {
    padding: 20px 16px;
  }

  .big-module-icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
    border-radius: 14px;
  }

  .big-module-title {
    font-size: 1.05rem;
  }

  .works-grid {
    grid-template-columns: 1fr;
  }

  .identity-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .recharge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gift-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    flex-direction: column;
  }

  .profile-motto {
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }

  .profile-avatar-btns {
    bottom: -4px;
    right: -4px;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 作品详情弹窗 ===== */
.work-detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.work-detail-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.work-detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.4);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.work-detail-close:hover { background: rgba(220,50,50,0.85); transform: scale(1.1); }

.work-detail-cover {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.work-detail-body {
  padding: 24px;
}

.work-detail-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-bottom: 12px;
  color: #fff;
}

.work-detail-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 8px 0;
}

.work-detail-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 16px 0;
}

.work-detail-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.work-detail-stats span i { margin-right: 4px; }

/* ===== 专业文档阅读器 ===== */
.doc-reader {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #f0ede6;
  display: flex;
  flex-direction: column;
}
.doc-reader-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  border-radius: 0;
  max-height: 100vh;
}

.doc-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--color-primary), #a0283a);
  color: #fff;
  flex-shrink: 0;
}
.doc-reader-toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}
.doc-reader-file-icon {
  font-size: 1rem;
  opacity: 0.9;
}
.doc-reader-filename {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.doc-reader-toolbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.doc-tool-btn {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 6px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: background 0.2s;
}
.doc-tool-btn:hover { background: rgba(255,255,255,0.3); }
.doc-zoom-label {
  font-size: 0.75rem;
  min-width: 38px;
  text-align: center;
  opacity: 0.9;
}
.doc-tool-divider {
  width: 1px;
  height: 18px;
  background: rgba(255,255,255,0.3);
  margin: 0 4px;
}

.doc-reader-scroll {
  max-height: 450px;
  overflow-y: auto;
  padding: 24px 16px;
  scroll-behavior: smooth;
}
.doc-reader-scroll::-webkit-scrollbar { width: 6px; }
.doc-reader-scroll::-webkit-scrollbar-track { background: transparent; }
.doc-reader-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.2); border-radius: 3px; }

.doc-reader-page {
  background: #fff;
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 56px;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: 1rem;
  line-height: 1.9;
  color: #2c2c2c;
  min-height: 300px;
}

.doc-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 6px;
  color: #1a1a1a;
  letter-spacing: 2px;
}
.doc-page-meta {
  text-align: center;
  color: #999;
  font-size: 0.8rem;
  margin-bottom: 20px;
}
.doc-page-divider {
  border-top: 2px solid #8B1E3A;
  margin-bottom: 28px;
  position: relative;
}
.doc-page-divider::after {
  content: '';
  position: absolute;
  left: 50%;
  top: -4px;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: #8B1E3A;
  border-radius: 50%;
}
.doc-page-heading {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: #8B1E3A;
  padding-left: 12px;
  border-left: 3px solid #8B1E3A;
}
.doc-page-para {
  text-indent: 2em;
  margin-bottom: 14px;
  text-align: justify;
}
.doc-page-placeholder {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-light);
}

.doc-reader-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  background: rgba(0,0,0,0.04);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}
.doc-reader-pager {
  display: flex;
  gap: 4px;
}
.doc-page-nav-btn {
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-text);
  transition: all 0.2s;
}
.doc-page-nav-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* 全屏模式调整 */
.doc-reader-fullscreen .doc-reader-scroll {
  max-height: none;
  flex: 1;
}
.doc-reader-fullscreen .doc-reader-page {
  max-width: 800px;
}

@media (max-width: 600px) {
  .doc-reader-page { padding: 32px 24px; font-size: 0.9rem; }
  .doc-reader-filename { max-width: 100px; }
  .doc-reader-toolbar-right { gap: 2px; }
  .doc-tool-btn { width: 28px; height: 28px; }
}

.work-detail-player {
  margin-bottom: 16px;
}

.detail-audio-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.detail-audio-visual {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.detail-audio-canvas {
  width: 100%;
  max-width: 500px;
  height: 50px;
  border-radius: 6px;
  background: rgba(139,30,58,0.03);
  display: block;
}

.detail-audio-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 50px;
  width: 100%;
  max-width: 500px;
  justify-content: center;
}

.detail-bar {
  width: 5px;
  height: 2px;
  background: linear-gradient(180deg, #8B1E3A, #A83D55);
  border-radius: 2px;
  transition: height 0.08s ease;
}

.detail-audio-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  width: 100%;
  justify-content: center;
}

.detail-audio-status {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.detail-play-btn {
  padding: 10px 28px;
  border-radius: 24px;
  border: none;
  background: linear-gradient(135deg, #8B1E3A, #A83D55);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.2s;
}
.detail-play-btn:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(139,30,58,0.35); }

.detail-audio-progress {
  width: 100%;
  height: 4px;
  background: #ddd;
  border-radius: 2px;
  overflow: hidden;
}
.detail-audio-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #8B1E3A, #A83D55);
  border-radius: 2px;
  transition: width 0.3s linear;
}

.detail-audio-time {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.work-detail-actions {
  text-align: center;
}
.detail-action-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid #e0e0e0;
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  transition: all 0.2s;
}
.detail-action-btn:hover { background: #fee2e2; border-color: #fca5a5; color: #dc2626; }

/* ===== 访客模式样式 ===== */
.guest-nav-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid rgba(0,0,0,0.1);
}
.guest-nav-indicator strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* 左下角浮动登录按钮 */
.guest-login-float {
  position: fixed;
  bottom: 100px;
  left: 24px;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-hover, #A83D55));
  color: #fff;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(43,58,103,0.35);
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}
.guest-login-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(43,58,103,0.45);
  color: #fff;
}

/* 访客模式下的作品互动链接 */
.work-interact .work-interact-btn[href] {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
}
.work-interact .work-interact-btn[href]:hover {
  background: rgba(43,58,103,0.08);
}

/* ===== 侧边栏布局 ===== */
.dashboard-layout {
  display: flex;
  gap: 24px;
  margin-top: 24px;
}

/* 侧边栏 */
.dashboard-sidebar {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  padding: 12px 12px 6px;
  margin-top: 4px;
}

.sidebar-section-label:first-child {
  margin-top: 0;
  padding-top: 0;
}

/* 侧边栏内容切换按钮 */
.sidebar-toggle-group {
  position: relative;
  display: flex;
  align-items: center;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  flex: 1;
  cursor: pointer;
}

.sidebar-toggle:hover {
  background: rgba(43,58,103,0.04);
  color: var(--color-text);
}

.sidebar-toggle.active {
  background: rgba(139,30,58,0.08);
  color: var(--color-primary);
}

.sidebar-toggle-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(139,30,58,0.3);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.sidebar-toggle.active .sidebar-toggle-dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139,30,58,0.15);
}

.sidebar-toggle-label {
  white-space: nowrap;
}

.sidebar-toggle-pref {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.65rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  white-space: nowrap;
  user-select: none;
}

.sidebar-toggle-pref:hover {
  background: rgba(43,58,103,0.04);
  color: var(--color-text);
}

.sidebar-toggle-pref input[type="checkbox"] {
  width: 13px;
  height: 13px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin: 0;
}

/* 主内容区作品/课程面板 */
.dash-content-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.dash-content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

.dash-content-count {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-left: 6px;
}

.dash-content-action {
  font-size: 0.82rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color var(--transition-fast);
}

.dash-content-action:hover { color: #6B1528; }

/* 作品列表 */
.dash-works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.dash-work-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(43,58,103,0.02);
  border: 1px solid var(--color-border-light);
  text-decoration: none;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.dash-work-item:hover {
  background: rgba(139,30,58,0.04);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.dash-work-type {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

.dash-work-title {
  flex: 1;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dash-work-meta {
  font-size: 0.72rem;
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 课程列表 */
.dash-courses-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.dash-course-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(43,58,103,0.02);
  border: 1px solid var(--color-border-light);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.dash-course-item:hover {
  background: rgba(139,30,58,0.04);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.dash-course-cover {
  width: 56px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.dash-course-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dash-course-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dash-course-meta {
  font-size: 0.72rem;
  color: var(--color-text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 查看全部链接 */
.dash-view-all {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  margin-top: 4px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  font-size: 0.82rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.dash-view-all:hover { background: rgba(139,30,58,0.04); border-color: var(--color-primary); }

/* 空状态 */
.dash-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-light);
  font-size: 0.9rem;
}
.dash-empty a { color: var(--color-primary); font-weight: 600; }

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  width: 100%;
  text-align: left;
}

.sidebar-item:hover {
  background: rgba(43,58,103,0.06);
  color: var(--color-primary);
}

.sidebar-item.active {
  background: rgba(43,58,103,0.1);
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-item-primary {
  background: linear-gradient(135deg, rgba(212,168,83,0.12), rgba(200,150,62,0.06));
  border: 1px solid rgba(212,168,83,0.2);
}
.sidebar-item-primary:hover {
  background: linear-gradient(135deg, rgba(212,168,83,0.2), rgba(200,150,62,0.1));
}

.sidebar-item-accent {
  background: linear-gradient(135deg, rgba(139,30,58,0.08), rgba(168,61,85,0.04));
  color: var(--color-primary);
  font-weight: 600;
}
.sidebar-item-accent:hover {
  background: linear-gradient(135deg, rgba(139,30,58,0.15), rgba(168,61,85,0.08));
}

.sidebar-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(43,58,103,0.06);
  font-size: 0.95rem;
  flex-shrink: 0;
  color: var(--color-primary);
}

.sidebar-item-primary .sidebar-item-icon {
  background: linear-gradient(135deg, #D4A853, #C8963E);
  color: #fff;
}

.sidebar-item-accent .sidebar-item-icon {
  background: linear-gradient(135deg, #8B1E3A, #A83D55);
  color: #fff;
}

.sidebar-item-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.sidebar-item-title {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-item-sub {
  font-size: 0.7rem;
  color: var(--color-text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 主内容区 */
.dashboard-main {
  flex: 1;
  min-width: 0;
}

/* 概览统计卡片 */
.dash-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.dash-stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  transition: all var(--transition-fast);
}

.dash-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.dash-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: #fff;
  font-size: 1.2rem;
}

.dash-stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.dash-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* 响应式：侧边栏 */
@media (max-width: 1024px) {
  .dashboard-layout {
    flex-direction: column;
  }
  .dashboard-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .sidebar-section-label {
    width: 100%;
    padding: 4px 8px 2px;
  }
  .sidebar-item {
    flex: 0 0 auto;
    padding: 8px 12px;
  }
  .sidebar-item-text {
    display: none;
  }
  .sidebar-item-icon {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
  }
  .sidebar-toggle-group {
    flex: 0 0 auto;
  }
  .sidebar-toggle-pref {
    display: none;
  }
  .sidebar-toggle-label {
    display: none;
  }
  .dash-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-works-grid,
  .dash-courses-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .dash-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-works-grid,
  .dash-courses-list {
    grid-template-columns: 1fr;
  }
  .dash-content-panel {
    padding: 16px 12px;
  }
  .dash-work-title {
    font-size: 0.82rem;
  }
}