/* ============ 我的书斋 · 样式 ============ */
:root {
  --bg: #0f1420;
  --bg-soft: #171e2e;
  --card: #1c2436;
  --border: #2a3550;
  --text: #e8ecf4;
  --text-dim: #8b96ad;
  --accent: #6ea8fe;
  --accent-2: #9d7bfe;
  --gold: #f0b45e;
  --danger: #ff6b6b;
  --radius: 14px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  /* 阅读区配色（日间纸感） */
  --read-bg: #f5efdf;
  --read-text: #3a3428;
  --read-dim: #8a7f68;
  --read-line: #ddd3bd;
}
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============ 顶栏 ============ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 20, 32, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { font-size: 22px; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.brand-sub { font-size: 12px; color: var(--text-dim); }
.topnav { display: flex; gap: 6px; }
.topnav a {
  color: var(--text-dim); text-decoration: none;
  font-size: 14px; padding: 7px 14px; border-radius: 20px;
  transition: all .18s;
}
.topnav a:hover { color: var(--text); background: var(--bg-soft); }
.topnav a.active { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

/* ============ 书架 ============ */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.shelf-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }
.shelf-head h1 { font-size: 24px; margin: 0; }
.genre-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 14px; border-radius: 18px; font-size: 13px;
  background: var(--bg-soft); color: var(--text-dim);
  border: 1px solid var(--border); cursor: pointer; transition: all .15s;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip.active { background: var(--accent); color: #0b1220; border-color: var(--accent); font-weight: 600; }

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.book-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex; flex-direction: column;
}
.book-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 30px rgba(0,0,0,.35); }
.book-cover {
  height: 130px; position: relative;
  display: flex; align-items: flex-end;
  padding: 14px 16px;
  background: linear-gradient(135deg, #1f2937, #111827);
}
.book-cover .book-title {
  font-size: 20px; font-weight: 800; color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,.5);
  letter-spacing: 1px;
}
.book-cover .genre-tag {
  position: absolute; top: 12px; right: 12px;
  font-size: 12px; padding: 3px 10px; border-radius: 12px;
  background: rgba(255,255,255,.16); color: #fff; backdrop-filter: blur(4px);
}
.book-meta { padding: 12px 16px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.book-desc {
  font-size: 13px; color: var(--text-dim); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.book-stats { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim); }
.book-progress { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.book-progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 2px; }
.book-status { font-size: 12px; padding: 2px 8px; border-radius: 10px; background: rgba(110,168,254,.14); color: var(--accent); }

.empty-tip { text-align: center; padding: 80px 20px; color: var(--text-dim); grid-column: 1 / -1; }
.empty-tip .sub { font-size: 14px; margin-bottom: 24px; }
.btn-primary {
  display: inline-block; padding: 10px 26px; border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 15px; font-weight: 600; border: none; cursor: pointer;
  text-decoration: none; transition: opacity .15s, transform .15s;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.btn-primary.big { padding: 13px 40px; font-size: 16px; }

.footer { text-align: center; padding: 26px; color: #3d4760; font-size: 12px; }

/* ============ 创作页 ============ */
.create-wrap { max-width: 720px; }
.create-title { font-size: 26px; margin: 8px 0 6px; }
.create-sub { color: var(--text-dim); font-size: 14px; margin: 0 0 30px; line-height: 1.7; }
.step-block { margin-bottom: 28px; }
.step-label { font-size: 15px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.step-num {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 13px; display: inline-flex; align-items: center; justify-content: center;
}
.genre-picker { display: flex; flex-wrap: wrap; gap: 10px; }
.genre-opt {
  padding: 10px 20px; border-radius: 12px; font-size: 14px;
  background: var(--bg-soft); border: 1.5px solid var(--border);
  color: var(--text); cursor: pointer; transition: all .15s; user-select: none;
}
.genre-opt:hover { border-color: var(--accent); }
.genre-opt.selected {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(110,168,254,.18), rgba(157,123,254,.18));
  font-weight: 600;
}
.idea-input {
  width: 100%; box-sizing: border-box;
  min-height: 90px; padding: 14px 16px;
  background: var(--bg-soft); border: 1.5px solid var(--border); border-radius: 12px;
  color: var(--text); font-size: 15px; font-family: var(--font); line-height: 1.7;
  resize: vertical; outline: none; transition: border-color .15s;
}
.idea-input:focus { border-color: var(--accent); }
.idea-input.tall { min-height: 70px; }
.input-count { text-align: right; font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.submit-row { margin-top: 8px; display: flex; align-items: center; gap: 18px; }
.submit-status { font-size: 14px; color: var(--text-dim); }
.submit-status.ok { color: #6ee7a0; }
.submit-status.err { color: var(--danger); }

/* ============ 阅读页 ============ */
.reader-page {
  background: var(--read-bg); color: var(--read-text);
  transition: background .25s, color .25s;
}
.reader-page.dark {
  --read-bg: #12151c; --read-text: #c6ccd8;
  --read-dim: #66707f; --read-line: #232936;
}
.reader-top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(245,239,223,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--read-line);
  transition: background .25s;
}
.reader-page.dark .reader-top { background: rgba(18,21,28,.92); border-color: var(--read-line); }
.reader-top-inner {
  max-width: 760px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
}
.reader-title-wrap { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.reader-book { font-size: 15px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.reader-chapter { font-size: 12px; color: var(--read-dim); white-space: nowrap; }
.reader-tools { display: flex; gap: 4px; }
.icon-btn {
  background: none; border: none; cursor: pointer;
  color: var(--read-text); font-size: 15px; padding: 6px 8px; border-radius: 8px;
  transition: background .15s;
}
.icon-btn:hover { background: rgba(128,128,128,.14); }
.reader-page.dark .icon-btn { color: var(--read-text); }
#btnBack { font-size: 26px; line-height: 1; }

.reader-main { max-width: 760px; margin: 0 auto; padding: 30px 20px 80px; }
.reading-area { min-height: 70vh; }
.chapter-title { font-size: 26px; font-weight: 800; text-align: center; margin: 10px 0 30px; letter-spacing: 1px; }
.chapter-body { font-size: 18px; line-height: 1.95; text-align: justify; }
.chapter-body p { margin: 0 0 1.15em; text-indent: 2em; }
.chapter-body p.no-indent { text-indent: 0; }
.chapter-nav {
  margin-top: 50px; padding-top: 24px;
  border-top: 1px dashed var(--read-line);
  display: flex; align-items: center; justify-content: space-between;
}
.btn-nav {
  background: none; border: 1px solid var(--read-line); border-radius: 20px;
  padding: 8px 20px; font-size: 14px; color: var(--read-text);
  cursor: pointer; transition: all .15s;
}
.btn-nav:hover { border-color: var(--accent); color: var(--accent); }
.btn-nav:disabled { opacity: .35; cursor: not-allowed; }
.nav-pos { font-size: 13px; color: var(--read-dim); }

/* 目录抽屉 */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 60;
}
.drawer-mask.show { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 300px; max-width: 85vw;
  background: var(--read-bg); color: var(--read-text);
  transform: translateX(100%); transition: transform .25s; z-index: 61;
  display: flex; flex-direction: column;
  box-shadow: -8px 0 30px rgba(0,0,0,.2);
}
.reader-page.dark .drawer { background: #161a22; color: #c6ccd8; }
.drawer.show { transform: translateX(0); }
.drawer-head {
  padding: 14px 16px; border-bottom: 1px solid var(--read-line);
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 700;
}
.drawer-list { flex: 1; overflow-y: auto; padding: 8px 0; }
.chapter-item {
  padding: 11px 18px; font-size: 14px; cursor: pointer;
  border-left: 3px solid transparent; transition: background .12s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chapter-item:hover { background: rgba(128,128,128,.1); }
.chapter-item.current { border-left-color: var(--accent); background: rgba(110,168,254,.1); color: var(--accent); font-weight: 600; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(128,128,128,.3); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* 用户态 / 频道切换 */
.user-box { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: 14px; color: var(--text); }
.btn-mini {
  padding: 6px 16px; border-radius: 18px; cursor: pointer; font-size: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: none; text-decoration: none;
}
.btn-mini:hover { opacity: .9; }

/* 书架三栏 */
.shelf-tabs { display: flex; gap: 6px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.tab {
  padding: 9px 18px; border-radius: 20px; font-size: 14px; cursor: pointer;
  background: var(--bg-soft); color: var(--text-dim); border: 1px solid var(--border); text-decoration: none;
  transition: all .15s;
}
.tab.active { background: var(--accent); color: #0b1220; border-color: var(--accent); font-weight: 600; }
.tab:hover { color: var(--text); }
.tab-action { margin-left: auto; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: none; }
.genre-line { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }

.book-cover .tag-mine, .book-cover .tag-user {
  position: absolute; top: 12px; left: 12px; font-size: 11px; padding: 2px 8px; border-radius: 10px;
  backdrop-filter: blur(4px);
}
.book-cover .tag-mine { background: rgba(110,168,254,.35); color: #fff; }
.book-cover .tag-user { background: rgba(157,123,254,.35); color: #fff; }

/* 登录弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: none; align-items: center; justify-content: center; z-index: 80; padding: 16px;
}
.modal-mask.show { display: flex; }
.modal {
  width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 22px; box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.modal-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.mtab {
  flex: 1; padding: 8px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text-dim); cursor: pointer; font-size: 14px;
}
.mtab.active { background: var(--accent); color: #0b1220; border-color: var(--accent); font-weight: 600; }
.fld {
  width: 100%; box-sizing: border-box; padding: 12px 14px; margin-bottom: 12px;
  background: var(--bg-soft); border: 1.5px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 15px; outline: none;
}
.fld:focus { border-color: var(--accent); }
.modal-msg { color: var(--danger); font-size: 13px; min-height: 18px; margin-bottom: 8px; }

/* 我的构想卡片 */
.my-requests { margin-top: 30px; }
.req-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.req-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.req-genre { font-size: 13px; padding: 2px 10px; border-radius: 12px; background: rgba(110,168,254,.14); color: var(--accent); }
.req-status { font-size: 12px; padding: 2px 10px; border-radius: 12px; }
.req-status.s-pending { background: rgba(240,180,94,.16); color: var(--gold); }
.req-status.s-writing { background: rgba(157,123,254,.16); color: var(--accent-2); }
.req-status.s-completed { background: rgba(110,231,160,.16); color: #6ee7a0; }
.req-idea { font-size: 14px; color: var(--text); line-height: 1.6; }
.req-foot { font-size: 12px; color: var(--text-dim); margin-top: 8px; }
.req-link { color: var(--accent); text-decoration: none; margin-left: 8px; }

/* 个人中心 */
.me-card { display: flex; align-items: center; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px; margin-bottom: 18px; }
.me-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-size: 24px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.me-name { font-size: 20px; font-weight: 700; }
.me-sub { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
.me-stats { display: flex; gap: 12px; margin-bottom: 20px; }
.stat { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; text-align: center; }
.stat-n { font-size: 24px; font-weight: 800; color: var(--accent); }
.stat-l { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.btn-logout { display: inline-block; margin-top: 10px; color: var(--danger); font-size: 14px; text-decoration: none; cursor: pointer; }
.btn-logout:hover { text-decoration: underline; }

/* ============ 番茄式阅读设置面板 ============ */
.set-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 60; }
.set-mask.show { opacity: 1; pointer-events: auto; }
.set-panel {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 61;
  background: #2a2f3a; color: #e8ecf4; border-radius: 18px 18px 0 0;
  transform: translateY(100%); transition: transform .28s; padding: 18px 20px calc(20px + env(safe-area-inset-bottom));
  max-height: 80vh; overflow-y: auto;
}
.set-panel.show { transform: translateY(0); }
.set-head { display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.set-group { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 0; }
.set-group:first-of-type { border-top: none; }
.set-label { font-size: 13px; color: #9aa3b5; margin-bottom: 10px; }
.set-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-size: 14px; }
.set-row:last-child { margin-bottom: 0; }
.seg { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.seg button {
  padding: 7px 14px; border-radius: 16px; font-size: 13px; cursor: pointer;
  background: #353b48; color: #c5cdda; border: 1px solid rgba(255,255,255,.1);
}
.seg button.on { background: linear-gradient(135deg, #6ea8fe, #9d7bfe); color: #fff; border-color: transparent; }
.set-val { font-size: 14px; min-width: 24px; text-align: center; color: #fff; }
.theme-row { display: flex; gap: 14px; }
.theme-dot { width: 38px; height: 38px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; }
.theme-dot.on { border-color: #6ea8fe; box-shadow: 0 0 0 2px rgba(110,168,254,.4); }
.t-paper { background: #f5efdf; } .t-eye { background: #e9dcc0; } .t-green { background: #d6ead9; }
.t-white { background: #ffffff; } .t-night { background: #12151c; border: 2px solid #444; }
.set-range { width: 160px; accent-color: #6ea8fe; }
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset: 0; background: #555; border-radius: 24px; transition: .2s; }
.slider:before { content: ''; position: absolute; height: 18px; width: 18px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: #6ea8fe; }
.switch input:checked + .slider:before { transform: translateX(20px); }

/* 移动端适配 */
@media (max-width: 640px) {
  .book-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .book-cover { height: 100px; }
  .book-cover .book-title { font-size: 16px; }
  .brand-sub { display: none; }
  .chapter-body { font-size: 17px; }
  .me-stats { flex-direction: row; }
}