/* ─── 音乐频道 /m ── 7+1 套气泡主题 ─── */

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

:root {
  --app-bg:          #e5e5ea;
  --header-bg:       rgba(248,248,248,0.92);
  --header-border:   rgba(0,0,0,0.1);
  --footer-bg:       rgba(248,248,248,0.92);
  --bubble-them-bg:  #ffffff;
  --bubble-them-fg:  #000000;
  --bubble-me-bg:    #007aff;
  --bubble-me-fg:    #ffffff;
  --avatar-size:     30px;
  --bubble-r:        18px;
  --meta-color:      #8e8e93;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text",
          "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

html, body { height: 100%; font-family: var(--font); }

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--app-bg);
  transition: background 0.25s;
  overflow: hidden;
}

/* ─── Header ─── */
.room-header {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 56px;          /* 两侧留出 theme-select 的宽度 */
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}
.room-header-center {
  display: flex; flex-direction: column;
  align-items: center; gap: 2px; text-align: center;
}
.room-title {
  font-size: 15px; font-weight: 600; letter-spacing: -0.02em;
}
.room-meta { font-size: 11px; color: var(--meta-color); }
.header-actions {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
}
.theme-select {
  font: 12px/1.4 var(--font);
  padding: 5px 8px; border-radius: 8px;
  border: 1px solid var(--header-border);
  background: rgba(255,255,255,0.85); color: #333;
  cursor: pointer; -webkit-appearance: none; appearance: none;
}

/* ─── Chat log ─── */
.chat-log {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 14px 16px 24px; scroll-behavior: smooth;
  overscroll-behavior: contain;
}

/* ─── 内容最大宽度居中（不影响背景色） ─── */
.msg-row,
.chat-empty {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.chat-empty {
  text-align: center; color: var(--meta-color);
  font-size: 13px; line-height: 1.7; margin-top: 52px;
}
.chat-empty-icon { font-size: 32px; margin-bottom: 8px; }
.chat-empty-sub  { font-size: 12px; opacity: 0.7; margin-top: 4px; }

/* ─── Message row ─── */
.msg-row {
  display: flex; align-items: flex-end; gap: 8px;
  margin-bottom: 10px;
  animation: msg-in 0.22s ease-out;
}
.msg-row.mine { flex-direction: row-reverse; }

@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Avatar ─── */
.msg-avatar-wrap {
  flex-shrink: 0;
  width: var(--avatar-size); height: var(--avatar-size);
  align-self: flex-end;
  position: relative;   /* needed for notes positioning */
}
.msg-avatar {
  width: 100%; height: 100%; border-radius: 50%;
  object-fit: cover; display: block; background: #e0e0e0;
}
.msg-avatar-init {
  width: 100%; height: 100%; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  user-select: none;
}

/* ─── Bubble main ─── */
.msg-main {
  max-width: 72%; min-width: 60px;
  display: flex; flex-direction: column; gap: 3px;
}
.msg-row.mine .msg-main { align-items: flex-end; }

/* ─── Meta ─── */
.msg-meta {
  display: flex; align-items: baseline; gap: 6px; padding: 0 5px;
}
.msg-name  { font-size: 11px; font-weight: 500; color: var(--meta-color); }
.msg-time  { font-size: 10px; color: var(--meta-color); opacity: 0.65; }

/* ─── Bubble ─── */
.msg-bubble {
  display: block; padding: 9px 14px; line-height: 1.45;
  font-size: 14px; word-break: break-word;
  text-decoration: none; cursor: pointer;
  transition: opacity 0.12s, transform 0.12s;
  position: relative;
}
.msg-bubble:hover { opacity: 0.86; transform: scale(0.985); }

.msg-bubble.them {
  background: var(--bubble-them-bg); color: var(--bubble-them-fg);
  border-radius: var(--bubble-r) var(--bubble-r) var(--bubble-r) 4px;
}
.msg-bubble.me {
  background: var(--bubble-me-bg); color: var(--bubble-me-fg);
  border-radius: var(--bubble-r) var(--bubble-r) 4px var(--bubble-r);
}

/* ─── Footer ─── */
.room-footer {
  flex-shrink: 0; text-align: center; padding: 14px 16px;
  background: var(--footer-bg); border-top: 1px solid var(--header-border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.cta-text {
  font-size: 14px; font-weight: 500;
  color: var(--meta-color); margin-bottom: 4px;
}
.cta-sub {
  font-size: 12px; color: var(--meta-color);
  opacity: 0.7; margin-bottom: 14px; line-height: 1.5;
}
.cta-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; background: #007aff;
  color: #fff; border-radius: 999px; font-size: 13px; font-weight: 500;
  text-decoration: none; transition: opacity 0.15s;
}
.cta-btn:hover { opacity: 0.85; }

/* ─── Embed mode ─── */
body.embed .room-header,
body.embed .room-footer { display: none !important; }

/* ─── 气泡富内容（所有主题默认显示专辑封面）─── */
.bubble-text { display: none; }

.bubble-rich {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bubble-album-cover {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  background: rgba(0,0,0,0.06);
}

.bubble-song-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.3;
}

.bubble-song-name {
  font-weight: 600;
  font-size: 13px;
  word-break: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bubble-artist-name {
  font-size: 12px;
  opacity: 0.65;
  word-break: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bubble-album-name {
  font-size: 11px;
  opacity: 0.42;
  word-break: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* songlive 气泡内边距微调 */
#app[data-theme="songlive"] .msg-bubble { padding: 8px 12px; }

/* ─── 专辑封面浮层 ─── */
.album-tooltip {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0,0,0,0.28), 0 2px 8px rgba(0,0,0,0.15);
  opacity: 0;
  transform: scale(0.9) translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  display: none;
}
.album-tooltip.visible {
  display: block;
  opacity: 1;
  transform: scale(1) translateY(0);
}
.album-tooltip img {
  width: 120px; height: 120px; object-fit: cover; display: block;
}

/* ═══════════════════════════════════════════
   THEMES
   ═══════════════════════════════════════════ */

/* ── iMessage ── */
#app[data-theme="imessage"] {
  --app-bg: #e5e5ea; --header-bg: rgba(248,248,248,0.94);
  --footer-bg: rgba(248,248,248,0.94);
  --bubble-them-bg: #ffffff; --bubble-them-fg: #000000;
  --bubble-me-bg: #007aff;  --bubble-me-fg: #ffffff;
  --bubble-r: 18px; --meta-color: #8e8e93;
}

/* ── iChat ── */
#app[data-theme="ichat"] {
  --app-bg: #b0b5c4; --header-bg: rgba(185,190,205,0.92);
  --footer-bg: rgba(185,190,205,0.92); --header-border: rgba(0,0,0,0.15);
  --bubble-them-bg: #f0eeeb; --bubble-them-fg: #1a1a1a;
  --bubble-me-bg: #c8e0f8;  --bubble-me-fg: #0d1d30;
  --bubble-r: 12px; --meta-color: #555f70;
}
#app[data-theme="ichat"] .msg-bubble {
  border: 1px solid rgba(0,0,0,0.18);
  box-shadow: 0 1px 0 rgba(255,255,255,0.55) inset, 0 1px 3px rgba(0,0,0,0.12);
}
#app[data-theme="ichat"] .msg-bubble.them {
  background: linear-gradient(180deg, #f6f5f2 0%, #e8e5e0 100%);
  border-radius: var(--bubble-r) var(--bubble-r) var(--bubble-r) 2px;
}
#app[data-theme="ichat"] .msg-bubble.me {
  background: linear-gradient(180deg, #ddeeff 0%, #b8d8f5 100%);
  border-radius: var(--bubble-r) var(--bubble-r) 2px var(--bubble-r);
}

/* ── Adium Matte ── */
#app[data-theme="adium-matte"] {
  --app-bg: #dbe2ed; --header-bg: rgba(215,222,235,0.95);
  --footer-bg: rgba(215,222,235,0.95); --header-border: #b8c4d4;
  --bubble-them-bg: #f0f0ee; --bubble-them-fg: #1e1e1e;
  --bubble-me-bg: #c8ccd8;  --bubble-me-fg: #1e1e1e;
  --bubble-r: 8px; --meta-color: #606878;
}
#app[data-theme="adium-matte"] .msg-bubble {
  border: 1px solid #aab0be;
  font-family: "Myriad Pro", "Helvetica Neue", Helvetica, sans-serif;
  font-size: 13px;
}
#app[data-theme="adium-matte"] .msg-bubble.them {
  border-radius: var(--bubble-r) var(--bubble-r) var(--bubble-r) 0;
}
#app[data-theme="adium-matte"] .msg-bubble.me {
  border-radius: var(--bubble-r) var(--bubble-r) 0 var(--bubble-r);
}

/* ── AdiumyChat ── */
#app[data-theme="adiumychat"] {
  --app-bg: #1e2d3d; --header-bg: rgba(22,34,47,0.97);
  --footer-bg: rgba(22,34,47,0.97); --header-border: rgba(255,255,255,0.07);
  --bubble-them-bg: #eef0ef; --bubble-them-fg: #1a1a1a;
  --bubble-me-bg: #2e87c8;  --bubble-me-fg: #ffffff;
  --bubble-r: 10px; --meta-color: #7a9ab5;
}
#app[data-theme="adiumychat"] .room-title { color: #d0dde8; }
#app[data-theme="adiumychat"] .theme-select { background: rgba(255,255,255,0.07); color: #ccc; border-color: rgba(255,255,255,0.12); }
#app[data-theme="adiumychat"] .chat-log { background: rgba(0,0,0,0.25); }
#app[data-theme="adiumychat"] .cta-text { color: var(--meta-color); }

/* ── Lighty ── */
#app[data-theme="lighty"] {
  --app-bg: #f4f2ef; --header-bg: rgba(255,255,255,0.97);
  --footer-bg: rgba(255,255,255,0.97); --header-border: #e0dcd6;
  --bubble-them-bg: #ffffff; --bubble-them-fg: #333333;
  --bubble-me-bg: #ffffff;  --bubble-me-fg: #333333;
  --bubble-r: 12px; --meta-color: #999;
}
#app[data-theme="lighty"] .msg-bubble {
  box-shadow: 0 1px 2px rgba(0,0,0,0.07), 0 0 0 1px rgba(0,0,0,0.04);
}
#app[data-theme="lighty"] .msg-bubble.them {
  border-radius: 2px var(--bubble-r) var(--bubble-r) var(--bubble-r);
}
#app[data-theme="lighty"] .msg-bubble.me {
  border-radius: var(--bubble-r) 2px var(--bubble-r) var(--bubble-r);
}

/* ── Ruler ── */
#app[data-theme="ruler"] {
  --app-bg: #f7f3e3; --header-bg: rgba(247,243,227,0.97);
  --footer-bg: rgba(247,243,227,0.97); --header-border: #d4c89a;
  --bubble-them-bg: #fffef8; --bubble-them-fg: #2c2416;
  --bubble-me-bg: #fff8e0;  --bubble-me-fg: #2c2416;
  --bubble-r: 4px; --meta-color: #8a7d5a;
}
#app[data-theme="ruler"] .chat-log {
  background-image: repeating-linear-gradient(transparent, transparent 27px, #e4d8b8 28px);
}
#app[data-theme="ruler"] .msg-bubble { border: 1px solid #c4b88a; border-radius: 3px; }

/* ── iPhone SMS ── */
#app[data-theme="iphone-sms"] {
  --app-bg: #c8c8c8; --header-bg: rgba(205,205,205,0.95);
  --footer-bg: rgba(205,205,205,0.95); --header-border: rgba(0,0,0,0.12);
  --bubble-them-bg: #ffffff; --bubble-them-fg: #000000;
  --bubble-me-bg: #d4f0b0;  --bubble-me-fg: #000000;
  --bubble-r: 16px; --meta-color: #666;
}
#app[data-theme="iphone-sms"] .msg-bubble {
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}
#app[data-theme="iphone-sms"] .msg-bubble.them {
  border-radius: var(--bubble-r) var(--bubble-r) var(--bubble-r) 4px;
}
#app[data-theme="iphone-sms"] .msg-bubble.me {
  border-radius: var(--bubble-r) var(--bubble-r) 4px var(--bubble-r);
}

/* ── Songlive ── */
#app[data-theme="songlive"] {
  --app-bg: radial-gradient(125% 125% at 50% 90%, #ffffff 40%, #6366f1 100%);
  --header-bg:      rgba(255,255,255,0.88);
  --footer-bg:      rgba(255,255,255,0.88);
  --header-border:  rgba(0,0,0,0.07);
  --bubble-them-bg: #d3d3d3;
  --bubble-them-fg: #111111;
  --bubble-me-bg:   #92d841;
  --bubble-me-fg:   #111111;
  --bubble-r:       18px;
  --meta-color:     #666666;
  --font:           Helvetica, "Lucida Grande", Verdana, Arial, sans-serif;
}
#app[data-theme="songlive"] .room-title { color: #1a1a1a; }
#app[data-theme="songlive"] .msg-bubble.them {
  border-radius: var(--bubble-r) var(--bubble-r) var(--bubble-r) 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
#app[data-theme="songlive"] .msg-bubble.me {
  border-radius: var(--bubble-r) var(--bubble-r) 4px var(--bubble-r);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
#app[data-theme="songlive"] .cta-btn {
  background: #6366f1;
}


/* ═══════════════════════════════════════════
   POLISH — 视觉精修
   ═══════════════════════════════════════════ */

/* ─── 自定义滚动条（webkit） ─── */
.chat-log::-webkit-scrollbar { width: 4px; }
.chat-log::-webkit-scrollbar-track { background: transparent; }
.chat-log::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.14);
  border-radius: 2px;
}
.chat-log::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.26); }

/* ─── Theme select：加自定义箭头，去掉系统样式 ─── */
.theme-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 26px;
  transition: border-color 0.15s, background-color 0.15s;
}
.theme-select:hover {
  border-color: rgba(0,0,0,0.22);
  background-color: rgba(255,255,255,0.97);
}
.theme-select:focus {
  outline: none;
  border-color: rgba(0,122,255,0.5);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}

/* ─── Empty state 精修 ─── */
.chat-empty {
  margin-top: 64px;
  padding: 0 16px;
}
.chat-empty-icon {
  font-size: 38px;
  margin-bottom: 14px;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));
}
.chat-empty > div:not(.chat-empty-icon) {
  font-size: 14px;
  font-weight: 500;
  color: var(--meta-color);
}
.chat-empty-sub {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 6px;
  line-height: 1.55;
}

/* ─── Footer CTA 精修 ─── */
.room-footer {
  padding: 16px 20px 18px;
  box-shadow: 0 -1px 0 var(--header-border);
}
.cta-text {
  font-size: 14px;
  font-weight: 600;
  color: #1c1c1e;
  margin-bottom: 3px;
  letter-spacing: -0.01em;
}
.cta-sub {
  font-size: 12px;
  color: var(--meta-color);
  opacity: 0.8;
  margin-bottom: 16px;
  line-height: 1.55;
}
.cta-btn {
  padding: 11px 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: 0 2px 14px rgba(0,122,255,0.32);
  transition: opacity 0.15s, transform 0.12s, box-shadow 0.15s;
}
.cta-btn:hover {
  opacity: 1;
  box-shadow: 0 4px 20px rgba(0,122,255,0.42);
  transform: translateY(-1px);
}
.cta-btn:active {
  transform: scale(0.97) translateY(0);
  box-shadow: 0 1px 8px rgba(0,122,255,0.25);
  opacity: 0.92;
}

/* ─── 气泡 hover 细化 ─── */
.msg-bubble {
  transition: opacity 0.14s ease, transform 0.14s ease;
}
.msg-bubble:hover {
  opacity: 0.84;
  transform: scale(0.982);
}

/* ─── 消息行间距优化 ─── */
.msg-row { margin-bottom: 8px; }
.msg-row + .msg-row { margin-top: 0; }

/* ─── 专辑封面：更细腻的阴影 ─── */
.bubble-album-cover {
  box-shadow: 0 1px 6px rgba(0,0,0,0.22), 0 0 0 0.5px rgba(0,0,0,0.06);
}

/* ─── 移动端优化 ─── */
@media (max-width: 480px) {
  .room-header { padding: 12px 52px; }
  .chat-log { padding: 12px 12px 20px; }
  .room-footer { padding: 14px 16px 16px; }
  .cta-btn { font-size: 13px; padding: 10px 22px; }
}

/* ─── AdiumyChat 暗色主题 footer/cta 适配 ─── */
#app[data-theme="adiumychat"] .cta-text { color: #d0dde8; }
#app[data-theme="adiumychat"] .cta-sub { color: var(--meta-color); }