/* ============================================
   丽江音悦台 - 基础样式
   ============================================ */

:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --light-bg: #f8f9fa;
  --dark-bg: #343a40;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  padding-top: 56px;
  padding-bottom: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 导航栏 ===== */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

.navbar-brand img {
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin-right: 10px;
  transition: var(--transition);
}

.navbar-brand:hover img {
  transform: scale(1.1);
}

.nav-link {
  font-weight: 500;
  margin: 0 5px;
  border-radius: 20px;
  padding: 8px 15px;
  transition: var(--transition);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* ===== 英雄区域 ===== */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 100px 0 80px 0;
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('./images/avatar.jpg') center/cover no-repeat;
  opacity: 0.1;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section .lead {
  font-size: 1.5rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.hero-section img {
  border: 5px solid rgba(255, 255, 255, 0.3);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* ===== 音乐卡片 ===== */
.music-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  margin-bottom: 1rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border: none;
}

.music-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.music-card.active {
  border-left: 4px solid #667eea;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.06), #fff);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.music-card .card-body {
  display: flex;
  align-items: center;
  padding: 1rem;
}

.music-card .card-body small {
  font-size: 0.85rem;
  opacity: 0.8;
}

.album-cover {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.music-card .flex-grow-1 {
  min-width: 0;
  margin-left: 1rem;
}

.music-card .card-title,
.video-card .card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-card .card-text {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: #6c757d;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-card .text-muted {
  font-size: 0.85rem;
  color: #6c757d;
}

/* 歌手链接 */
.artist-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
  border-bottom: 1px dashed transparent;
}
.artist-link:hover {
  color: #667eea;
  border-bottom-color: rgba(102,126,234,0.4);
}
body.dark-mode .artist-link:hover { color: #8b9cf7; }

/* ===== 视频卡片 ===== */
.video-card {
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: 10px;
  overflow: hidden;
  border: none;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.video-card .card-body {
  display: block;
  padding: 0;
}

.video-card .card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.video-card .card-text {
  font-size: 0.85rem;
  color: #6c757d;
  margin-bottom: 0;
}

/* ===== 分页 ===== */
.pagination-container {
  margin-top: 30px;
}

.page-btn {
  min-width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
  background-color: #667eea;
  color: white;
}

#jump-page-input::-webkit-inner-spin-button,
#jump-page-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ===== 底部播放器 ===== */
.bottom-player {
  z-index: 1050;
  padding: 12px 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  right: 8px;
  left: 0;
  width: calc(100% - 8px);
}

.bottom-player .current-track-info img {
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: transform 0.2s ease;
}

.bottom-player .current-track-info img:hover {
  transform: scale(1.1);
}

.bottom-player .btn-outline-light {
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.bottom-player .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.bottom-player #play-btn {
  background: white;
  color: var(--primary-color);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.bottom-player #play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.bottom-player #play-btn i {
  transition: none;
}

.bottom-player .progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  cursor: pointer;
}

.bottom-player .progress-bar {
  background: linear-gradient(90deg, #ffffff, #e0e0e0);
  transition: width 0.1s linear;
  height: 100%;
}

.bottom-player .form-range {
  --bs-form-range-thumb-bg: white;
}

/* 底部播放器进度条 */
.bottom-player #progress-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  cursor: pointer;
}

.bottom-player #progress-bar {
  background: linear-gradient(90deg, #ffffff 0%, #4CAF50 100%);
  transition: width 0.1s linear;
  height: 100%;
  min-width: 2px;
}

/* 音乐图标 */
.card-body .fa-music {
  font-size: 0.8rem;
  align-self: flex-end;
  margin-bottom: 5px;
  margin-left: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .hero-section h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 50px;
  }

  .hero-section {
    padding: 80px 0 60px 0;
  }

  .hero-section h1 {
    font-size: 2.2rem;
  }

  .hero-section .lead {
    font-size: 1.2rem;
  }

  .bottom-player {
    padding: 10px 0;
  }

  .bottom-player .current-track-info {
    min-width: 120px;
    flex: 0 0 auto;
    display: flex;
  }

  .bottom-player .current-track-info img {
    width: 40px;
    height: 40px;
    margin-right: 8px;
    flex: 0 0 auto;
  }

  .bottom-player .current-track-info h6 {
    font-size: 0.85rem;
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .bottom-player .current-track-info small {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .bottom-player .volume-control {
    display: none;
  }

  .bottom-player .progress-container {
    flex-grow: 1;
    margin: 0;
  }

  body {
    padding-bottom: 70px;
  }
}

@media (max-width: 576px) {
  .hero-section h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .bottom-player .current-track-info {
    min-width: 100px;
  }

  .bottom-player .current-track-info img {
    width: 35px;
    height: 35px;
  }

  .bottom-player .player-controls {
    margin-right: 10px;
  }

  .bottom-player #play-btn {
    width: 35px;
    height: 35px;
    font-size: 0.8rem;
  }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn-playing {
  animation: btn-pulse 2s infinite;
}

@keyframes btn-pulse {
  0% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(102, 126, 234, 0); }
  100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0); }
}

/* fadeInUp 动画（保留，hero 区域可能用到） */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}