/* =============================================================================
   服务导航页样式
   模块顺序：变量 → 页面基底 → 服务导航 → 底部 Dock → 天气 → 音乐播放器
   ============================================================================= */

/* -----------------------------------------------------------------------------
   设计变量（玻璃拟态：导航与播放器共用）
   ----------------------------------------------------------------------------- */
:root {
  --glass-bg: rgba(255, 255, 255, 0);
  --glass-blur: blur(1px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.4);
  --glass-radius: 12px;
  --glass-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);

  --text-dark: #333;
  --text-light: #fff;

  --nav-link-bg: rgba(59, 0, 160, 0.36);
  --nav-link-hover: rgba(255, 0, 0, 0.6);

  --player-accent: #409eff;
  --dock-max-width: 360px;
  --nav-max-width: 500px;
}

/* -----------------------------------------------------------------------------
   页面基底
   padding-bottom：为底部固定 Dock 留出空间，避免遮挡导航
   ----------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-bottom: 180px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: #f4f7f9 url("images/background.jpg") no-repeat center / cover;
  color: var(--text-dark);
}

/* =============================================================================
   模块一：服务导航
   ============================================================================= */

.nav-panel {
  width: 100%;
  max-width: var(--nav-max-width);
  padding: 2rem;
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

.nav-panel__title {
  margin: 0 0 1.5rem;
  text-align: center;
  color: var(--text-dark);
}

.nav-panel__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* 仅作用于导航链接，避免影响天气插件内的 <a> */
.nav-panel__link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 10px 12px 30%;
  background-color: var(--nav-link-bg);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background 0.2s;
}

.nav-panel__link:hover {
  background: var(--nav-link-hover);
}

/* =============================================================================
   模块二：底部 Dock（天气 + 播放器容器）
   ============================================================================= */

.dock {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: var(--dock-max-width);
}

/* -----------------------------------------------------------------------------
   2.1 天气插件
   min-width: 330px — 插件横向多日预报所需
   ----------------------------------------------------------------------------- */
.weather {
  display: inline-block;
  width: 100%;
  min-width: 330px;
}

/* -----------------------------------------------------------------------------
   2.2 音乐播放器（玻璃面板样式与 .nav-panel 对齐）
   ----------------------------------------------------------------------------- */
.player {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  color: var(--text-light);
}

/* 隐藏原生 audio，仅保留播放能力 */
.player audio {
  display: none;
}

/* --- 封面 + 歌名 / 歌手 --- */
.player__header {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

/* 默认透明框；有封面时由 <img> 填满 */
.player__cover {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  background: transparent;
  overflow: hidden;
}

.player__cover-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player__cover-img[hidden] {
  display: none;
}

.player__meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 0 2px;
  font-size: 12px;
  font-weight: 500;
}

.player__song {
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player__singer {
  font-size: 11px;
  opacity: 0.9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- 控制条：上一首 / 播放 / 下一首 / 选歌 --- */
.player__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.player__btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  color: var(--text-light);
  font-size: 11px;
  cursor: pointer;
  transition: background 0.2s;
}

.player__btn:hover {
  background: rgba(255, 255, 255, 0.55);
}

.player__select {
  flex: 1;
  max-width: 180px;
  padding: 4px 6px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-light);
  font-size: 11px;
  outline: none;
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 下拉展开项保持深色字，系统原生菜单上更清晰 */
.player__select option {
  color: var(--text-dark);
  background: #fff;
}

/* --- 进度条 --- */
.player__progress {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.player__track {
  position: relative;
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

.player__fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 0%;
  height: 100%;
  border-radius: 2px;
  background-color: var(--player-accent);
  pointer-events: none;
}

.player__time {
  width: 30px;
  font-family: monospace;
  font-size: 10px;
  text-align: center;
  color: var(--text-light);
}