/* ==================== 恋爱主题页面样式 ==================== */

/* CSS 变量 */
:root {
  --pink-light: #FFE4E1;
  --pink-mid: #FFB6C1;
  --blue-light: #ADD8E6;
  --blue-mid: #B0E0E6;
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-border: rgba(255, 255, 255, 0.8);
  --text-primary: #4a3a4a;
  --text-secondary: #7a6a7a;
  --heart-red: #ff4757;
  --avatar-size: 44px;
}

/* 全局重置 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  /* 渐变动画背景 */
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid),
    var(--blue-light), var(--blue-mid));
  background-size: 400% 400%;
  animation: gradientFlow 20s ease infinite;
}

@keyframes gradientFlow {
  0%   { background-position: 0% 50%; }
  25%  { background-position: 100% 0%; }
  50%  { background-position: 100% 50%; }
  75%  { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 105, 135, 0.4);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 105, 135, 0.6);
}

/* ==================== 图片墙背景 ==================== */
.photo-wall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.photo-wall-item {
  position: absolute;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  border: 4px solid #fff;
  opacity: 0.9;
  transition: opacity 0.3s;
  overflow: hidden;
}

.photo-wall-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  object-fit: contain;
}

/* ==================== 主内容容器 ==================== */
.content-wrapper {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 16px 100px;
}

/* 半透明卡片通用样式 */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* ==================== 认识时间卡片 ==================== */
.met-card {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 10px 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.met-card span {
  color: var(--heart-red);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ==================== 导航按钮 ==================== */
.nav-home {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 8px 18px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.nav-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* ==================== 顶部昵称区 ==================== */
.couple-header {
  text-align: center;
  padding: 30px 0 10px;
}

.couple-names {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.heart-icon {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  margin: 0 6px;
  animation: heartbeat 1.2s ease-in-out infinite;
  vertical-align: middle;
}

.heart-icon svg {
  width: 100%;
  height: 100%;
}

/* 验证码弹窗 */
.verify-modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 500;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.verify-modal.hidden {
  display: none;
}

.verify-box {
  position: relative;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 28px 24px;
  width: 320px;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.verify-box h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.verify-box input {
  width: 100%;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.95rem;
  outline: none;
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: 2px;
}

.verify-box input:focus {
  border-color: var(--heart-red);
}

.verify-box button {
  background: linear-gradient(135deg, var(--heart-red), #ff6b81);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 10px 32px;
  font-size: 0.95rem;
  cursor: pointer;
}

.verify-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none !important;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 50%;
  line-height: 1;
  transition: color 0.2s;
}

.verify-close:hover {
  color: var(--heart-red);
}

.verify-box .verify-error {
  color: var(--heart-red);
  font-size: 0.82rem;
  margin-top: 8px;
  min-height: 1.2em;
}

@keyframes heartbeat {
  0%   { transform: scale(1); }
  14%  { transform: scale(1.2); }
  28%  { transform: scale(1); }
  42%  { transform: scale(1.15); }
  70%  { transform: scale(1); }
}

/* ==================== 图片上传区 ==================== */
.upload-section {
  position: relative;
}

.upload-fab {
  background: linear-gradient(135deg, #70a1ff, #1e90ff);
  box-shadow: 0 4px 18px rgba(30, 144, 255, 0.4);
}

.upload-panel {
  position: fixed;
  bottom: 280px;
  right: 30px;
  z-index: 150;
  width: 320px;
  max-width: calc(100vw - 40px);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.upload-panel.hidden {
  display: none;
}

.upload-section .upload-area {
  border: 2px dashed rgba(255, 105, 135, 0.4);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}

.upload-section .upload-area:hover,
.upload-section .upload-area.dragover {
  border-color: var(--heart-red);
  background: rgba(255, 105, 135, 0.05);
}

.upload-area p {
  margin: 6px 0;
}

.upload-area .upload-icon {
  font-size: 2rem;
}

.upload-progress {
  margin-top: 10px;
  background: rgba(255, 105, 135, 0.15);
  border-radius: 10px;
  overflow: hidden;
  display: none;
  position: relative;
  height: 28px;
}

.upload-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--heart-red), #ff6b81);
  border-radius: 10px;
  transition: width 0.15s;
}

.upload-progress-text {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  line-height: 28px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  pointer-events: none;
}

/* ==================== 留言动态 ==================== */
.moment-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 16px 0;
}

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

.moment-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-delete-post {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 6px;
  opacity: 0.3;
  transition: opacity 0.2s, color 0.2s;
  flex-shrink: 0;
}

.btn-delete-post:hover {
  opacity: 1;
  color: var(--heart-red);
}

.moment-avatar {
  width: var(--avatar-size);
  height: var(--avatar-size);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.moment-avatar.user-a {
  background: linear-gradient(135deg, #ff6b81, #ff4757);
}

.moment-avatar.user-b {
  background: linear-gradient(135deg, #70a1ff, #1e90ff);
}

.moment-meta {
  flex: 1;
}

.moment-meta .name {
  font-weight: 600;
  font-size: 0.95rem;
}

.moment-meta .time {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.moment-content {
  margin: 10px 0 8px 54px;
  font-size: 0.95rem;
  line-height: 1.6;
  word-break: break-word;
}

/* 评论区 */
.comments-toggle {
  margin-left: 54px;
  font-size: 0.82rem;
  color: var(--heart-red);
  cursor: pointer;
  user-select: none;
  background: none;
  border: none;
  padding: 2px 0;
}

.comments-toggle:hover {
  text-decoration: underline;
}

.comments-list {
  margin-left: 54px;
  margin-top: 8px;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 105, 135, 0.2);
  display: none;
}

.comments-list.show {
  display: block;
}

.comment-item {
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.comment-item .c-name {
  font-weight: 600;
  color: var(--heart-red);
}

.comment-item .c-text {
  color: var(--text-primary);
}

.comment-item .c-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-left: 6px;
}

.btn-delete-comment {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0 2px;
  margin-left: 4px;
  opacity: 0.5;
  transition: opacity 0.2s, color 0.2s;
}

.btn-delete-comment:hover {
  opacity: 1;
  color: var(--heart-red);
}

.comment-input-row {
  margin-left: 54px;
  margin-top: 8px;
  display: none;
  gap: 6px;
}

.comment-input-row.show {
  display: flex;
}

.comment-input-row input {
  flex: 1;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 18px;
  padding: 6px 14px;
  font-size: 0.85rem;
  outline: none;
  background: rgba(255, 255, 255, 0.7);
}

.comment-input-row input:focus {
  border-color: var(--heart-red);
}

.comment-input-row button {
  background: var(--heart-red);
  color: #fff;
  border: none;
  border-radius: 18px;
  padding: 6px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
}

/* 发布留言区 */
.post-box {
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.post-box textarea {
  width: 100%;
  min-height: 70px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.92rem;
  resize: vertical;
  outline: none;
  background: rgba(255, 255, 255, 0.7);
  font-family: inherit;
}

.post-box textarea:focus {
  border-color: var(--heart-red);
}

.post-box .post-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.post-box select {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 18px;
  padding: 6px 12px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.7);
  outline: none;
  cursor: pointer;
}

.post-box .post-btn {
  margin-left: auto;
  background: linear-gradient(135deg, var(--heart-red), #ff6b81);
  color: #fff;
  border: none;
  border-radius: 18px;
  padding: 8px 24px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.15s;
}

.post-box .post-btn:hover {
  transform: scale(1.04);
}

/* ==================== 烟花按钮 ==================== */
/* ==================== 右下角功能按钮组 ==================== */
.fab-group {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.fab-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  color: #fff;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.fab-btn:hover {
  transform: scale(1.12);
}

.shake-btn {
  background: linear-gradient(135deg, #ffa502, #ff6348);
  box-shadow: 0 4px 18px rgba(255, 165, 2, 0.45);
}

.shake-btn.shaking {
  animation: shakeAnim 0.5s ease;
}

@keyframes shakeAnim {
  0%   { transform: rotate(0deg); }
  20%  { transform: rotate(-15deg); }
  40%  { transform: rotate(15deg); }
  60%  { transform: rotate(-10deg); }
  80%  { transform: rotate(10deg); }
  100% { transform: rotate(0deg); }
}

.toggle-moments-btn {
  background: linear-gradient(135deg, #70a1ff, #1e90ff);
  box-shadow: 0 4px 18px rgba(30, 144, 255, 0.4);
}

.toggle-moments-btn.moments-hidden {
  background: linear-gradient(135deg, #a4b0be, #747d8c);
  box-shadow: 0 4px 18px rgba(116, 125, 140, 0.35);
}

.fireworks-btn {
  background: linear-gradient(135deg, #ff6b81, #ff4757, #ffa502);
  box-shadow: 0 4px 20px rgba(255, 71, 87, 0.5);
}

/* ==================== 留言动态隐藏 ==================== */
.moments-section-hidden {
  display: none !important;
}

/* ==================== 昵称反色 ==================== */
.couple-names span {
  transition: color 0.5s ease;
  text-shadow: 0 1px 6px rgba(0,0,0,0.15);
}

/* 烟花 Canvas */
#fireworks-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 300;
  pointer-events: none;
}

#fireworks-canvas.active {
  pointer-events: none;
}

/* ==================== 图片管理面板 ==================== */
.photo-gallery-card {
  max-height: 70vh;
  overflow-y: auto;
}

.photo-gallery-card.hidden {
  display: none;
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.gallery-header h3 {
  font-size: 1.1rem;
  margin: 0;
  white-space: nowrap;
}

.gallery-capacity {
  flex: 1;
  min-width: 160px;
  max-width: 300px;
}

.gallery-cap-bar-wrap {
  height: 8px;
  background: rgba(0,0,0,0.08);
  border-radius: 4px;
  overflow: hidden;
}

.gallery-cap-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2ed573, #ffa502, #ff4757);
  border-radius: 4px;
  transition: width 0.5s;
}

.gallery-cap-text {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 3px;
  text-align: right;
}

.photo-gallery-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0,0,0,0.05);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.gallery-item .gallery-delete {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  color: #fff;
  border: none;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.gallery-item:hover .gallery-delete {
  opacity: 1;
}

.gallery-item .gallery-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 8px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 0.7rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.gallery-item:hover .gallery-info {
  opacity: 1;
}

/* ==================== 空状态 ==================== */
.empty-tip {
  text-align: center;
  color: var(--text-secondary);
  padding: 20px 0;
  font-size: 0.9rem;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
  .content-wrapper {
    padding: 16px 12px 100px;
  }

  .couple-names {
    font-size: 1.8rem;
  }

  .heart-icon {
    font-size: 1.5rem;
  }

  .met-card {
    top: 12px;
    left: 12px;
    font-size: 0.8rem;
    padding: 8px 12px;
  }

  .nav-home {
    top: 12px;
    right: 12px;
    font-size: 0.82rem;
    padding: 6px 14px;
  }

  .glass-card {
    padding: 16px;
    border-radius: 12px;
  }

  .moment-content {
    margin-left: 0;
    margin-top: 8px;
  }

  .comments-toggle,
  .comments-list,
  .comment-input-row,
  .post-box {
    margin-left: 0;
  }

  .photo-gallery-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .gallery-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .gallery-capacity {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .couple-names {
    font-size: 1.4rem;
  }

  .heart-icon {
    font-size: 1.2rem;
  }

  .upload-section .upload-area {
    padding: 20px;
  }

  .fab-group {
    bottom: 20px;
    right: 16px;
    gap: 10px;
  }

  .fab-btn {
    width: 48px;
    height: 48px;
    font-size: 1.15rem;
  }

  .upload-panel {
    bottom: 260px;
    right: 16px;
    width: 280px;
  }

  .photo-gallery-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .gallery-item .gallery-delete {
    opacity: 1;
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }

  .gallery-item .gallery-info {
    opacity: 1;
    font-size: 0.65rem;
  }
}