/* OPC 共创书坊 · 墨金风 · 移动端优先 */
:root {
  --ink: #16110c;
  --ink-2: #221a12;
  --paper: #f7f2e8;
  --paper-2: #efe7d6;
  --gold: #c9a25e;
  --gold-deep: #a07c3a;
  --text: #2c241a;
  --muted: #8a7a63;
  --line: #e0d5bf;
  --ok: #2e8b57;
  --warn: #c0662b;
  --bad: #a8442e;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--paper); color: var(--text);
  font-size: 16px; line-height: 1.75;
  overscroll-behavior-y: none;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 16px; }

.view { min-height: 100vh; min-height: 100dvh; }

/* ---------- 登录 ---------- */
#view-auth {
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 30% 20%, #2a2013, var(--ink) 70%);
  padding: 24px;
}
.auth-card { width: 100%; max-width: 380px; color: var(--paper); }
.auth-logo {
  font-size: 30px; font-weight: 700; letter-spacing: .35em; text-align: center;
  color: var(--gold); margin-bottom: 6px;
}
.auth-sub { text-align: center; color: #b7a888; font-size: 13px; margin-bottom: 26px; }
.auth-tabs { display: flex; margin-bottom: 16px; border-bottom: 1px solid #3a2f1e; }
.auth-tab {
  flex: 1; background: none; border: none; color: #8a7a63; padding: 10px 0; font-size: 15px;
  border-bottom: 2px solid transparent;
}
.auth-tab.on { color: var(--gold); border-bottom-color: var(--gold); }
.field { margin-bottom: 12px; }
.field input, .invite-row select {
  width: 100%; padding: 13px 14px; border-radius: 10px;
  border: 1px solid #4a3c26; background: #241b10; color: var(--paper);
  outline: none;
}
.field input:focus { border-color: var(--gold); }
.btn-primary {
  width: 100%; padding: 13px 0; border: none; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #1d1508; font-size: 16px; font-weight: 700; letter-spacing: .2em;
}
.btn-primary.small { width: auto; padding: 9px 18px; font-size: 14px; letter-spacing: .1em; }
.btn-primary:active { filter: brightness(.92); }
.auth-err { color: #e08a6a; font-size: 13px; margin-top: 10px; min-height: 18px; text-align: center; }

/* ---------- 顶栏 ---------- */
#topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--ink); color: var(--paper);
  border-bottom: 1px solid #3a2f1e;
}
#topbar-title { flex: 1; font-size: 16px; font-weight: 600; letter-spacing: .06em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  background: none; border: none; color: var(--gold); font-size: 20px;
  min-width: 34px; min-height: 34px; border-radius: 8px; line-height: 1;
}
.icon-btn:active { background: rgba(201,162,94,.15); }
.me-chip {
  width: 32px; height: 32px; border-radius: 50%; font-size: 14px;
  border: 1px solid var(--gold); color: var(--gold);
}
.sync-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.sync-dot.ok { background: var(--ok); }
.sync-dot.pending { background: var(--warn); }
.sync-dot.off { background: var(--bad); }

.page { padding: 14px; max-width: 760px; margin: 0 auto;
  padding-bottom: calc(40px + env(safe-area-inset-bottom)); }

/* ---------- 目录 ---------- */
.chapter-list { display: flex; flex-direction: column; gap: 10px; }
.chap-card {
  background: #fffdf7; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 1px 3px rgba(90,70,30,.06);
}
.chap-card:active { background: var(--paper-2); }
.chap-num {
  flex: none; width: 44px; height: 44px; border-radius: 10px;
  background: var(--ink); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.chap-info { flex: 1; min-width: 0; }
.chap-title { font-size: 15px; font-weight: 600; line-height: 1.45; }
.chap-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.chap-ann-count {
  flex: none; font-size: 12px; color: var(--gold-deep);
  background: rgba(201,162,94,.14); border-radius: 999px; padding: 3px 10px;
}
.orphan-entry {
  margin-top: 14px; background: #fdf1e6; border: 1px solid #e5c9a8;
  border-radius: 12px; padding: 12px 16px; font-size: 14px; color: #8a5a24;
}

/* ---------- 阅读 ---------- */
.chapter-body { background: transparent; }
.chapter-body h1.bk {
  font-size: 23px; line-height: 1.4; margin: 8px 0 22px; color: var(--ink);
  letter-spacing: .03em;
}
.chapter-body h2.bk {
  font-size: 18px; margin: 34px 0 14px; color: var(--ink);
  padding-left: 10px; border-left: 4px solid var(--gold);
}
.chapter-body h3.bk { font-size: 16px; margin: 26px 0 10px; }
.chapter-body p.bk { margin: 0 0 16px; text-align: justify; }
.chapter-body blockquote.bk {
  margin: 18px 0; padding: 10px 16px; background: var(--paper-2);
  border-left: 4px solid var(--gold); color: #5c4d36; font-size: 15px; border-radius: 0 8px 8px 0;
}
.chapter-body blockquote.bk p { margin: 4px 0; }
.chapter-body ul.bk, .chapter-body ol.bk { margin: 12px 0 16px; padding-left: 24px; }
.chapter-body li { margin: 4px 0; }
.chapter-body hr.bk-sep { border: none; text-align: center; margin: 26px 0; }
.chapter-body hr.bk-sep::after { content: "◆ ◆ ◆"; color: var(--gold); font-size: 12px; letter-spacing: 1em; }
.chapter-body code { background: var(--paper-2); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
.bk-table { overflow-x: auto; margin: 14px 0; }
.bk-table table { border-collapse: collapse; font-size: 14px; min-width: 100%; }
.bk-table th, .bk-table td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.bk-table th { background: var(--paper-2); }
details.bk-status {
  background: var(--paper-2); border-radius: 10px; padding: 8px 14px;
  font-size: 13px; color: var(--muted); margin-bottom: 22px;
}
details.bk-status summary { color: var(--gold-deep); cursor: pointer; }
details.bk-status p { margin: 5px 0; }
.reader-end { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 0 10px; }

/* ---------- 双版本切换条 ---------- */
.src-bar {
  position: sticky; top: calc(54px + env(safe-area-inset-top)); z-index: 40;
  display: flex; gap: 8px; margin: -4px 0 18px;
}
.src-btn {
  border: 1px solid var(--line); background: #fffdf7; border-radius: 999px;
  padding: 6px 16px; font-size: 13px; color: var(--muted);
}
.src-btn.on {
  background: var(--ink); border-color: var(--ink); color: var(--gold); font-weight: 600;
}

/* ---------- V2 送审版版式 ---------- */
.v2doc p { margin: 0 0 16px; text-align: justify; }
.v2doc h1.doctitle { font-size: 23px; line-height: 1.4; margin: 8px 0 22px; letter-spacing: .03em; color: var(--ink); }
.v2doc h2 { font-size: 18px; margin: 34px 0 14px; padding-left: 10px; border-left: 4px solid var(--gold); color: var(--ink); }
.v2doc h3 { font-size: 16px; margin: 26px 0 10px; }
.v2doc blockquote {
  margin: 18px 0; padding: 10px 16px; background: var(--paper-2);
  border-left: 4px solid var(--gold); color: #5c4d36; font-size: 14px; border-radius: 0 8px 8px 0;
}
.v2doc blockquote p { margin: 4px 0; }
.v2doc ul, .v2doc ol { margin: 12px 0 16px; padding-left: 24px; }
.v2doc li { margin: 4px 0; }
.v2doc .pending { background: #f7e3c8; color: #a05c14; padding: 0 4px; border-radius: 4px; }

/* 有批注的块:金色右侧标记 + 角标 */
[data-pid] { position: relative; }
.has-ann { background: linear-gradient(to right, transparent 92%, rgba(201,162,94,.35) 92%); border-radius: 4px; }
.ann-badge {
  position: absolute; top: -9px; right: 2px; z-index: 5;
  min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px;
  background: var(--gold); color: #1d1508; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: none; box-shadow: 0 1px 4px rgba(90,70,30,.35);
}
/* 划词高亮标记 */
mark.q-mark { background: rgba(201,162,94,.35); border-bottom: 2px solid var(--gold); padding: 0; }
.orphan-flag { color: var(--bad); font-size: 12px; margin-left: 6px; }

/* ---------- 划词按钮 ---------- */
.sel-btn {
  position: fixed; z-index: 90; transform: translate(-50%, -120%);
  background: var(--ink); color: var(--gold); border: 1px solid var(--gold);
  border-radius: 999px; padding: 9px 18px; font-size: 15px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}

/* ---------- 底部弹层(移动端全屏/桌面居中) ---------- */
.sheet {
  position: fixed; z-index: 100; left: 0; right: 0; bottom: 0;
  background: #fffdf7; border-radius: 18px 18px 0 0;
  padding: 14px 16px calc(18px + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 30px rgba(40,30,10,.25);
  max-height: 88dvh; overflow-y: auto;
}
@media (min-width: 720px) {
  .sheet { left: 50%; right: auto; transform: translateX(-50%); width: 460px; border-radius: 16px; bottom: 24px; }
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.sheet-title { font-weight: 700; font-size: 16px; }
.sheet .icon-btn { color: var(--muted); }
.editor-quote {
  margin: 0 0 12px; padding: 10px 14px; background: var(--paper-2);
  border-left: 4px solid var(--gold); font-size: 14px; color: #5c4d36;
  max-height: 110px; overflow-y: auto; border-radius: 0 8px 8px 0;
}
.cat-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.cat {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 5px 13px; font-size: 13px; color: var(--muted);
}
.cat.on { background: var(--ink); border-color: var(--ink); color: var(--gold); }
#editor-text {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; resize: vertical; background: #fff; outline: none; margin-bottom: 12px;
}
#editor-text:focus { border-color: var(--gold); }

/* ---------- 批注抽屉 ---------- */
.drawer-mask { position: fixed; inset: 0; background: rgba(20,14,6,.45); z-index: 95; }
.drawer {
  position: fixed; z-index: 100; top: 0; right: 0; bottom: 0; width: 100%;
  background: #fffdf7; display: flex; flex-direction: column;
  padding-top: env(safe-area-inset-top);
}
@media (min-width: 720px) { .drawer { width: 430px; box-shadow: -6px 0 24px rgba(40,30,10,.2); } }
.drawer .sheet-head { padding: 12px 16px 8px; border-bottom: 1px solid var(--line); margin: 0; }
.drawer-body { flex: 1; overflow-y: auto; padding: 12px 16px 30px; }

.thread { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.thread.status-accepted { border-color: #9fc7a9; background: #f4faf4; }
.thread.status-rejected { opacity: .62; }
.thread.status-revised { border-color: #b9c6d8; background: #f5f8fc; }
.thread-quote {
  font-size: 13px; color: #6b5b41; background: var(--paper-2);
  padding: 8px 14px; border-left: 4px solid var(--gold);
  max-height: 72px; overflow: hidden;
}
.thread-main { padding: 10px 14px; }
.thread-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.avatar {
  width: 24px; height: 24px; border-radius: 50%; color: #fff; font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center; flex: none;
}
.thread-author { font-size: 13px; font-weight: 600; }
.thread-time { font-size: 12px; color: var(--muted); }
.tag { font-size: 11px; border-radius: 4px; padding: 1px 7px; background: var(--paper-2); color: var(--gold-deep); }
.thread-text { font-size: 15px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.thread-status { font-size: 12px; margin-top: 6px; font-weight: 600; }
.st-open { color: var(--warn); } .st-accepted { color: var(--ok); }
.st-rejected { color: var(--bad); } .st-revised { color: #3a6b9e; }
.thread-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.act-btn {
  border: 1px solid var(--line); background: #fff; border-radius: 8px;
  font-size: 12px; padding: 5px 11px; color: var(--text);
}
.act-btn.danger { color: var(--bad); }
.replies { border-top: 1px dashed var(--line); padding: 8px 14px; background: rgba(239,231,214,.4); }
.reply { display: flex; gap: 8px; margin: 8px 0; }
.reply-body { flex: 1; min-width: 0; }
.reply-meta { font-size: 12px; color: var(--muted); }
.reply-meta b { color: var(--text); font-size: 13px; margin-right: 6px; }
.reply-text { font-size: 14px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.reply-box { display: flex; gap: 8px; margin-top: 10px; }
.reply-box input {
  flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  background: #fff; outline: none; font-size: 14px;
}
.reply-box button {
  border: none; background: var(--ink); color: var(--gold);
  border-radius: 8px; padding: 8px 14px; font-size: 14px;
}

/* ---------- 管理 ---------- */
.admin-h { font-size: 20px; margin: 6px 0 14px; }
.admin-sec { background: #fffdf7; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; }
.admin-sec h3 { margin: 0 0 10px; font-size: 15px; }
.admin-tip { font-size: 13px; color: var(--muted); margin: 6px 0; }
.invite-row { display: flex; gap: 10px; }
.invite-row select { flex: 1; background: #fff; color: var(--text); border-color: var(--line); }
.invite-result {
  margin-top: 10px; font-size: 15px; color: var(--gold-deep); font-weight: 700;
  word-break: break-all;
}
.invite-list .inv-item { font-size: 13px; color: var(--muted); padding: 5px 0; border-bottom: 1px dashed var(--line); word-break: break-all; }
.user-list .u-item { display: flex; align-items: center; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.u-role { margin-left: auto; font-size: 12px; color: var(--muted); }

/* ---------- 我的 ---------- */
.me-body { font-size: 14px; }
.me-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.me-row .k { color: var(--muted); }
.me-logout { margin-top: 16px; background: none; border: 1px solid var(--bad); color: var(--bad); border-radius: 10px; padding: 11px 0; width: 100%; font-size: 15px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(60px + env(safe-area-inset-bottom));
  transform: translateX(-50%); z-index: 200;
  background: rgba(22,17,12,.92); color: var(--paper);
  border-radius: 999px; padding: 9px 20px; font-size: 14px; max-width: 84vw;
}
@media (min-width: 720px) { .toast { bottom: 40px; } }