/* ============ 全局 ============ */
* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
:root {
  --bg:#1a1a2e; --bg2:#16213e; --card:#0f3460; --text:#e0e0e0;
  --text2:#a0a0b0; --accent:#e94560; --accent2:#533483;
  --radius:12px; --header-h:56px;
}
html,body { height:100%; overflow:hidden; font-family:-apple-system,"Microsoft YaHei",sans-serif; background:var(--bg); color:var(--text); font-size:16px; }

/* ============ 登录页 ============ */
#page-login { justify-content:center; align-items:center; padding:20px; }
.login-box { background:var(--bg2); border-radius:20px; padding:40px 28px; width:100%; max-width:340px; text-align:center; }
.login-box h1 { font-size:28px; margin-bottom:32px; }
.login-box input { width:100%; background:var(--card); color:var(--text); border:1px solid rgba(255,255,255,0.1); border-radius:10px; padding:14px 16px; font-size:16px; margin-bottom:14px; outline:none; -webkit-appearance:none; }
.login-box input:focus { border-color:var(--accent); }
.login-box input::placeholder { color:var(--text2); }
.login-box .btn-control { width:100%; margin-top:8px; padding:14px; font-size:16px; }
.login-err { color:var(--accent); font-size:14px; margin-top:12px; min-height:20px; }

@media (max-width:480px) {
  .login-box { padding:32px 24px; }
  .login-box h1 { font-size:24px; margin-bottom:24px; }
  .login-box input { padding:12px 14px; }
}

/* ============ 页面切换 ============ */
.page { position:fixed; top:0; left:0; right:0; bottom:0; display:none; flex-direction:column; }
.page.active { display:flex; }

/* ============ 顶栏 ============ */
.header { height:var(--header-h); background:var(--bg2); display:flex; align-items:center; justify-content:space-between; padding:0 16px; flex-shrink:0; z-index:10; }
.header h1 { font-size:20px; color:var(--text); }
.header-title { font-size:15px; color:var(--text); flex:1; text-align:center; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; padding:0 8px; }

.btn-icon { background:none; border:none; color:var(--text); font-size:24px; cursor:pointer; width:40px; height:40px; display:flex; align-items:center; justify-content:center; border-radius:8px; }
.btn-icon:active { background:rgba(255,255,255,0.1); }

/* ============ 书架 ============ */
.book-list { flex:1; overflow-y:auto; padding:16px; }
.loading { text-align:center; color:var(--text2); padding:40px 0; }

.book-card { background:var(--card); border-radius:var(--radius); padding:16px; margin-bottom:12px; display:flex; align-items:center; gap:12px; cursor:pointer; transition:transform 0.15s; }
.book-card:active { transform:scale(0.98); }
.book-card .book-icon { font-size:32px; flex-shrink:0; }
.book-card .book-info { flex:1; min-width:0; }
.book-card .book-title { font-size:16px; font-weight:600; color:var(--text); overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
.book-card .book-meta { font-size:13px; color:var(--text2); margin-top:4px; }
.book-card .book-progress { font-size:12px; color:var(--accent); margin-top:2px; }
.book-card .book-delete { background:none; border:none; color:var(--text2); font-size:18px; padding:8px; }

/* ============ 阅读器 ============ */
.reader-header { border-bottom:1px solid rgba(255,255,255,0.05); }
.reader-content { flex:1; overflow-y:auto; padding:20px 16px 80px; -webkit-overflow-scrolling:touch; }
#chapter-text { font-size:18px; line-height:1.9; letter-spacing:0.5px; }
#chapter-text .chapter-title { font-size:22px; font-weight:700; text-align:center; margin-bottom:24px; color:var(--text); }
#chapter-text p { margin-bottom:16px; text-indent:2em; }
#chapter-text p.playing { background:rgba(233,69,96,0.15); border-radius:6px; padding:4px 8px; }
#chapter-text p.played { color:var(--text2); }

.reader-controls { position:fixed; bottom:0; left:0; right:0; height:60px; background:var(--bg2); display:flex; align-items:center; justify-content:space-around; padding:0 12px; border-top:1px solid rgba(255,255,255,0.05); z-index:20; }
.btn-control { background:none; border:none; color:var(--text); font-size:14px; padding:8px 16px; border-radius:8px; cursor:pointer; }
.btn-control:active { background:rgba(255,255,255,0.1); }
.btn-control.primary { background:var(--accent); color:#fff; font-weight:600; }

/* ============ 章节列表 ============ */
.chapter-list-panel { position:fixed; top:var(--header-h); right:0; bottom:0; width:70%; max-width:300px; background:var(--bg2); transform:translateX(100%); transition:transform 0.25s; z-index:15; overflow-y:auto; padding:8px 0; }
.chapter-list-panel.open { transform:translateX(0); box-shadow:-4px 0 20px rgba(0,0,0,0.3); }
.chapter-list-items { padding:8px 0; }
.chapter-item { padding:12px 20px; font-size:15px; color:var(--text2); border-bottom:1px solid rgba(255,255,255,0.03); cursor:pointer; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
.chapter-item.current { color:var(--accent); font-weight:600; }
.chapter-item:active { background:rgba(255,255,255,0.05); }

/* ============ 播放设置 ============ */
.player-settings { position:fixed; top:0; left:0; right:0; bottom:0; z-index:30; display:none; }
.player-settings.open { display:block; }
.settings-overlay { position:absolute; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.5); }
.settings-panel { position:absolute; bottom:0; left:0; right:0; background:var(--bg2); border-radius:20px 20px 0 0; padding:24px 20px 32px; }
.settings-panel h3 { font-size:18px; margin-bottom:16px; }
.setting-row { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.setting-row label { font-size:14px; color:var(--text2); width:70px; flex-shrink:0; }
.setting-row select { flex:1; background:var(--card); color:var(--text); border:1px solid rgba(255,255,255,0.1); border-radius:8px; padding:8px 12px; font-size:14px; }
.setting-row input[type=range] { flex:1; accent-color:var(--accent); }
.setting-row span { font-size:13px; color:var(--text2); min-width:50px; text-align:right; }

/* ============ 迷你播放器 ============ */
.mini-player { position:fixed; bottom:60px; left:8px; right:8px; background:var(--card); border-radius:12px; padding:8px 12px; display:flex; align-items:center; gap:8px; z-index:18; box-shadow:0 4px 20px rgba(0,0,0,0.3); }
.mini-player-info { flex:1; min-width:0; }
#mini-title { font-size:13px; color:var(--text); display:block; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
#mini-para { font-size:11px; color:var(--text2); }
.mini-sleep { font-size:12px; color:var(--accent); background:rgba(233,69,96,0.15); padding:2px 8px; border-radius:10px; cursor:pointer; white-space:nowrap; }

/* ============ 上传提示 ============ */
.upload-status { position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); background:var(--bg2); padding:20px 32px; border-radius:12px; z-index:50; display:none; }
.upload-status.show { display:block; }

/* ============ 手机适配 ============ */
@media (max-width:480px) {
  #chapter-text { font-size:17px; }
  .book-card { padding:12px; }
  .btn-control { font-size:13px; padding:8px 12px; }
}
@media (max-width:360px) {
  #chapter-text { font-size:16px; }
  .reader-controls { padding:0 4px; }
}

/* 暗色滚动条 */
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.15); border-radius:2px; }