@font-face {
  font-family: "Music WenKai";
  src: url("./assets/lxgw.woff") format("woff");
  font-display: swap;
}

:root {
  --purple: #9270bc;
  --purple-dark: #79579f;
  --purple-soft: #e9e0f1;
  --bg: #f8f6fc;
  --card: #fffdfd;
  --muted: #a09aaa;
  --line: #ece9f1;
  --text: #3f3a49;
  --radius: 14px;
  --player-height: 152px;
  --toolbar-height: 72px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Music WenKai", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error-text { color: #c25b6a; font-size: 13px; min-height: 18px; }

/* ---------- 登录 ---------- */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 20%, #f1ecf5, #f8f6fc 60%);
}
.auth-card {
  width: min(380px, 88vw);
  background: var(--card);
  border-radius: 20px;
  padding: 36px 28px;
  box-shadow: 0 13px 27px #6e4a791b;
  text-align: center;
}
.auth-logo {
  width: 56px; height: 56px; margin: 0 auto 12px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff; font-size: 26px;
}
.auth-card h1 { font-size: 20px; margin: 0 0 6px; font-weight: 600; }
.auth-card label { display: block; text-align: left; font-size: 13px; color: var(--muted); margin: 16px 0 6px; }
.auth-card input {
  width: 100%; margin-top: 6px; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font-size: 14px; font-family: inherit; color: var(--text);
}
.auth-card input:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px #9270bc22; }
.primary-button {
  width: 100%; margin-top: 20px; padding: 12px;
  border: none; border-radius: 10px; cursor: pointer;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff; font-size: 15px; font-family: inherit;
}
.primary-button:hover { filter: brightness(1.05); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--toolbar-height);
  display: flex; align-items: center; gap: 18px;
  padding: 0 26px;
  background: #f8f6fcd9;
  backdrop-filter: blur(18px) saturate(.8);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 17px; font-weight: 600; color: var(--purple-dark); white-space: nowrap; }
.search-island {
  flex: 1; max-width: 440px;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 4px 15px #4b28540b;
}
.search-island .icon { font-size: 13px; opacity: .5; }
.search-island input {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: inherit; font-size: 14px; color: var(--text);
}
.nav-tabs { display: flex; gap: 4px; margin-left: auto; }
.nav-tabs button {
  padding: 8px 16px; border: none; border-radius: 999px;
  background: transparent; color: var(--muted);
  font-family: inherit; font-size: 14px; cursor: pointer;
}
.nav-tabs button:hover { background: var(--purple-soft); color: var(--purple-dark); }
.nav-tabs button.active { background: var(--purple); color: #fff; }

.icon-button {
  border: none; background: transparent; cursor: pointer;
  color: var(--muted); font-size: 15px; padding: 6px 8px; border-radius: 8px;
}
.icon-button:hover { background: var(--purple-soft); color: var(--purple-dark); }

/* ---------- 内容 ---------- */
.main-content {
  padding: 26px 26px calc(var(--player-height) + 34px);
  max-width: 1560px; margin: 0 auto;
}
.section-title {
  font-size: 15px; color: var(--muted); margin: 0 0 16px;
  display: flex; align-items: center; gap: 10px;
}
.section-title .sort-chain { margin-left: auto; display: flex; gap: 6px; }
.section-title .sort-chain button {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 999px; padding: 5px 12px; font-size: 12px;
  font-family: inherit; cursor: pointer;
}
.section-title .sort-chain button.on { border-color: var(--purple); color: var(--purple-dark); }

/* 专辑 / 播放列表 切换 */
.seg-toggle {
  display: inline-flex; padding: 3px; gap: 3px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
}
.seg-toggle button {
  border: none; background: transparent; cursor: pointer;
  padding: 6px 16px; border-radius: 999px;
  font-family: inherit; font-size: 13.5px; color: var(--muted);
}
.seg-toggle button.on {
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff;
}

/* 专辑墙 */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 22px 18px;
}
.album-card { cursor: pointer; }
.cover-frame {
  position: relative; aspect-ratio: 1/1;
  border-radius: var(--radius); overflow: hidden;
  background: var(--purple-soft);
  box-shadow: 0 4px 15px #4b28540b;
  transition: transform .18s ease, box-shadow .18s ease;
}
.album-card:hover .cover-frame {
  transform: translateY(-3px);
  box-shadow: 0 13px 27px #6e4a791b;
}
.cover-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover-overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: linear-gradient(180deg, #4b285400 40%, #4b285499);
  opacity: 0; transition: opacity .18s ease;
}
.album-card:hover .cover-overlay { opacity: 1; }
.cover-overlay button {
  width: 46px; height: 46px; border-radius: 50%;
  border: none; cursor: pointer;
  background: #fff; color: var(--purple-dark);
  font-size: 16px; box-shadow: 0 6px 18px #4b285433;
}
.album-meta { padding: 9px 2px 0; }
.album-name {
  font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.overlay-artist { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 列表（歌手 / 播放列表） */
.chip-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 9px 16px; border-radius: 999px; cursor: pointer;
  background: #fff; border: 1px solid var(--line); font-size: 13.5px;
}
.chip:hover { border-color: var(--purple); color: var(--purple-dark); }

/* 曲目表 */
.detail-heading {
  display: flex; gap: 22px; align-items: flex-end; margin-bottom: 22px;
}
.detail-heading img {
  width: 168px; height: 168px; border-radius: var(--radius); object-fit: cover;
  box-shadow: 0 13px 27px #6e4a791b;
}
.detail-heading h2 { margin: 0 0 6px; font-size: 24px; font-weight: 600; }
.detail-actions { margin-top: 14px; display: flex; gap: 10px; }
.secondary-button {
  padding: 9px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--purple); background: #fff; color: var(--purple-dark);
  font-family: inherit; font-size: 13.5px;
}
.secondary-button:hover { background: var(--purple-soft); }

.track-row {
  display: grid;
  grid-template-columns: 34px 1fr 200px 62px 30px;
  align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px; cursor: pointer;
  font-size: 14px;
}
.track-row:hover { background: #fff; }
.track-row.playing { background: #fff; box-shadow: 0 0 0 1px var(--purple-soft); }
.track-row.playing .track-name { color: var(--purple-dark); }
.track-index { color: var(--muted); font-size: 12.5px; text-align: right; }
.track-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-album { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-dur { color: var(--muted); font-size: 12.5px; text-align: right; }
.equalizer { display: inline-flex; gap: 2px; align-items: flex-end; height: 12px; }
.equalizer i { width: 2px; background: var(--purple); animation: eq .9s ease-in-out infinite; }
.equalizer i:nth-child(2) { animation-delay: .15s; }
.equalizer i:nth-child(3) { animation-delay: .3s; }
@keyframes eq { 0%,100% { height: 3px } 50% { height: 11px } }

/* ---------- 播放条 ---------- */
.player-island {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: min(1200px, calc(100vw - 36px));
  height: var(--player-height);
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.4fr) minmax(0,1fr);
  align-items: center; gap: 18px;
  padding: 14px 22px;
  background: #fffdfdea;
  backdrop-filter: blur(18px) saturate(.8);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 13px 27px #6e4a791b;
  z-index: 40;
}
.player-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.player-art { width: 52px; height: 52px; border-radius: 10px; object-fit: cover; background: var(--purple-soft); }
.now-copy { min-width: 0; }
.now-title { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.now-artist { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-center { display: flex; flex-direction: column; gap: 8px; }
.player-tools { display: flex; align-items: center; justify-content: center; gap: 10px; }
.play-button {
  width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--purple), var(--purple-dark));
  color: #fff; font-size: 15px;
  box-shadow: 0 4px 15px #9270bc66;
}
.progress-row { display: flex; align-items: center; gap: 10px; font-size: 11.5px; color: var(--muted); }
.progress-row input[type=range] { flex: 1; accent-color: var(--purple); height: 3px; }
.player-right { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.volume-range { width: 92px; accent-color: var(--purple); height: 3px; }

/* 队列 */
.queue-drawer {
  position: fixed; right: 18px; bottom: calc(var(--player-height) + 30px);
  width: min(360px, calc(100vw - 36px)); max-height: 52vh;
  background: #fffdfd; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 13px 27px #6e4a791b; z-index: 45;
  display: flex; flex-direction: column; overflow: hidden;
}
.queue-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 13.5px;
}
.queue-list { overflow-y: auto; padding: 6px; }
.queue-item {
  padding: 9px 12px; border-radius: 9px; font-size: 13px; cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.queue-item:hover { background: var(--purple-soft); }
.queue-item.on { color: var(--purple-dark); background: var(--purple-soft); }

/* 空态 */
.empty { padding: 60px 0; text-align: center; color: var(--muted); font-size: 14px; }

/* ---------- 响应式 ---------- */
@media (width <= 1190px) {
  .album-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .track-row { grid-template-columns: 30px 1fr 130px 54px 28px; }
}
@media (width <= 1000px) {
  .nav-tabs { display: none; }
  :root { --player-height: 170px; }
  .player-island { grid-template-columns: minmax(0,1fr) minmax(0,1.2fr); height: auto; padding: 12px 16px; }
  .player-right { display: none; }
}
@media (width <= 740px) {
  .main-content { padding: 16px 14px calc(var(--player-height) + 40px); }
  .topbar { padding: 0 14px; gap: 10px; }
  .brand { display: none; }
  .album-grid { grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 16px 12px; }
  .detail-heading { flex-direction: column; align-items: flex-start; }
  .detail-heading img { width: 120px; height: 120px; }
  .player-island { grid-template-columns: 1fr; gap: 10px; bottom: 0; width: 100vw; border-radius: 18px 18px 0 0; }
  .track-row { grid-template-columns: 26px 1fr 48px 26px; }
  .track-album { display: none; }
}
@media (width >= 1500px) {
  .album-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
}

/* 曲目下载 */
.track-dl {
  text-align: center; color: var(--muted); opacity: 0;
  cursor: pointer; font-size: 14px; transition: opacity .15s ease, color .15s ease;
}
.track-row:hover .track-dl { opacity: 1; }
.track-dl:hover { color: var(--purple-dark); }
@media (hover: none) { .track-dl { opacity: .55; } }

/* 轻提示 */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--player-height) + 40px);
  transform: translateX(-50%) translateY(10px);
  background: #4b2854ee; color: #fff; font-size: 13px;
  padding: 10px 18px; border-radius: 999px;
  opacity: 0; pointer-events: none; transition: all .22s ease; z-index: 60;
  max-width: 80vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 单击选中态 */
.track-row.selected { background: #fff; box-shadow: inset 0 0 0 1px var(--purple-soft); }
.track-row.selected .track-name { color: var(--purple-dark); }