@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300&family=Noto+Serif+SC:wght@300;400;500;600&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* === 默认:夜间模式(深底金字) === */
:root, [data-theme="night"] {
  --bg: #0d0d12;
  --bg-soft: #14141c;
  --card: rgba(20, 20, 28, 0.9);
  --text: #e8e4df;
  --text-soft: #9a938a;
  --text-faint: #5a5550;
  --accent: #8b2d2d;
  --gold: #c4a882;
  --gold-soft: rgba(196, 168, 130, 0.15);
  --border: rgba(196, 168, 130, 0.12);
  --border-strong: rgba(196, 168, 130, 0.3);
  --tristen: #c4a882;
  --evan: #8b2d2d;
  --reader-bg: #0f0e14;
  --reader-text: #d8d2c8;
  --header-bg-rgba: rgba(13, 13, 18, 0.92);
  --reader-header-bg-rgba: rgba(15, 14, 20, 0.94);
  --bg-radial-1: rgba(139, 45, 45, 0.05);
  --bg-radial-2: rgba(196, 168, 130, 0.04);
  --annot-line-bg: rgba(20, 20, 28, 0.6);
  --textarea-bg: rgba(13, 13, 18, 0.8);
  --tristen-on: #1a1610;
  --evan-on: #f0e8e0;
}

/* === 日间模式(米白纸张) === */
[data-theme="day"] {
  --bg: #f5efe6;
  --bg-soft: #ebe3d6;
  --card: rgba(255, 250, 242, 0.95);
  --text: #2c241a;
  --text-soft: #6b5f50;
  --text-faint: #a89a86;
  --accent: #8b2d2d;
  --gold: #8a6c3a;
  --gold-soft: rgba(138, 108, 58, 0.12);
  --border: rgba(138, 108, 58, 0.18);
  --border-strong: rgba(138, 108, 58, 0.4);
  --tristen: #8a6c3a;
  --evan: #8b2d2d;
  --reader-bg: #f8f1e4;
  --reader-text: #2c241a;
  --header-bg-rgba: rgba(245, 239, 230, 0.94);
  --reader-header-bg-rgba: rgba(248, 241, 228, 0.94);
  --bg-radial-1: rgba(139, 45, 45, 0.04);
  --bg-radial-2: rgba(138, 108, 58, 0.05);
  --annot-line-bg: rgba(235, 227, 214, 0.7);
  --textarea-bg: rgba(255, 250, 242, 0.95);
  --tristen-on: #fff;
  --evan-on: #fff;
}

body {
  font-family: 'Noto Serif SC', 'Cormorant Garamond', serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-weight: 300;
  transition: background 0.4s, color 0.4s;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 600px 400px at 20% 20%, var(--bg-radial-1), transparent),
    radial-gradient(ellipse 500px 500px at 85% 80%, var(--bg-radial-2), transparent);
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  padding-bottom: 40px;
}

.hidden { display: none !important; }

/* === Header === */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: var(--header-bg-rgba);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  gap: 8px;
}

.header-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-soft);
  flex: 1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 12px;
}

.header-btn, .header-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--gold);
  font-size: 18px;
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Noto Serif SC', serif;
  flex-shrink: 0;
}

.header-btn:active, .header-back:active {
  background: var(--gold-soft);
  transform: scale(0.95);
}

/* === 登录 === */
.login-mask {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-card {
  width: 280px;
  text-align: center;
}

.login-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px;
  font-weight: 300;
  letter-spacing: 12px;
  color: var(--gold);
  margin-bottom: 40px;
}

.login-card input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-strong);
  color: var(--text);
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  padding: 12px 0;
  text-align: center;
  letter-spacing: 4px;
  outline: none;
}

.login-card input:focus {
  border-bottom-color: var(--gold);
}

.login-card button {
  margin-top: 24px;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-strong);
  padding: 12px 36px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
}

.login-card button:hover {
  background: var(--gold-soft);
  border-color: var(--gold);
}

.login-err {
  margin-top: 16px;
  color: var(--accent);
  font-size: 13px;
  min-height: 18px;
}

/* === 书架 === */
.shelf {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.book {
  display: flex;
  text-decoration: none;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 18px;
  position: relative;
  transition: all 0.3s;
  overflow: hidden;
}

.book::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--cover, var(--accent));
}

.book:active {
  transform: scale(0.99);
  border-color: var(--border-strong);
}

.book-info {
  flex: 1;
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.book-title {
  font-size: 17px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 4px;
}

.book-author {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 8px;
  font-style: italic;
}

.book-meta {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--text-faint);
}

.empty {
  padding: 80px 20px;
  text-align: center;
}

.empty-text {
  color: var(--text-faint);
  font-style: italic;
}

/* === 上传 === */
.upload-form {
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-soft);
}

.field-hint, .field-hint-inline {
  font-size: 12px;
  color: var(--text-faint);
  font-style: italic;
}

.field-hint-inline {
  text-transform: none;
  letter-spacing: 0;
  margin-left: 6px;
}

.field input[type="text"], .field input[type="password"] {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  padding: 10px 0;
  outline: none;
  transition: border-color 0.2s;
}

.field input[type="text"]:focus, .field input[type="password"]:focus {
  border-bottom-color: var(--gold);
}

.field input[type="file"] {
  background: transparent;
  border: 1px solid var(--border);
  padding: 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
}

.submit-btn {
  margin-top: 8px;
  padding: 14px;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-strong);
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
}

.submit-btn:hover:not(:disabled) {
  background: var(--gold-soft);
  border-color: var(--gold);
}

.submit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.upload-status {
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
  min-height: 20px;
  margin-top: 8px;
}

/* === 阅读器 === */
.reader-app {
  background: var(--reader-bg);
  min-height: 100vh;
  transition: background 0.4s;
}

.reader-header {
  background: var(--reader-header-bg-rgba);
}

.reader {
  padding: 32px 24px 80px;
}

.chapter-title {
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--gold);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 2px;
}

.paragraphs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.para-block {
  position: relative;
}

.para {
  font-size: 16px;
  line-height: 2;
  color: var(--reader-text);
  text-indent: 2em;
  padding: 6px 4px;
  border-radius: 2px;
  transition: background 0.2s;
  position: relative;
  cursor: pointer;
}

.para:active {
  background: var(--gold-soft);
}

.annot-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  margin-left: 6px;
  padding: 0 5px;
  background: var(--gold-soft);
  color: var(--gold);
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px;
  font-weight: 500;
  border-radius: 9px;
  vertical-align: middle;
}

.para-annotations {
  margin-top: 8px;
  margin-left: 24px;
  padding-left: 14px;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.annot-line {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.annot-who {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px;
  font-weight: 500;
  margin-top: 2px;
}

.annot-tristen .annot-who {
  background: var(--tristen);
  color: var(--tristen-on);
}

.annot-evan .annot-who {
  background: var(--evan);
  color: var(--evan-on);
}

.annot-text {
  flex: 1;
}

.annot-time {
  font-size: 11px;
  color: var(--text-faint);
  flex-shrink: 0;
}

.chapter-nav {
  display: flex;
  gap: 12px;
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.nav-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
  padding: 14px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-btn:active:not(:disabled) {
  background: var(--gold-soft);
  border-color: var(--gold);
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* === 目录抽屉 === */
.toc-mask {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: flex-end;
}

.toc-panel {
  width: min(85vw, 360px);
  background: var(--bg-soft);
  height: 100%;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-strong);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.toc-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
}

.toc-close {
  font-size: 24px;
  cursor: pointer;
  color: var(--text-soft);
  line-height: 1;
}

.toc-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.toc-item {
  padding: 12px 20px;
  display: flex;
  gap: 12px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}

.toc-item:active {
  background: var(--gold-soft);
}

.toc-item.active {
  border-left-color: var(--gold);
  background: var(--gold-soft);
}

.toc-no {
  font-family: 'Cormorant Garamond', serif;
  color: var(--text-faint);
  font-size: 14px;
  flex-shrink: 0;
  width: 28px;
}

.toc-name {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.5;
}

.toc-item.active .toc-name {
  color: var(--text);
}

/* === 批注弹层 === */
.annot-mask {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.annot-panel {
  width: 100%;
  max-width: 720px;
  max-height: 80vh;
  background: var(--bg-soft);
  border-top: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.annot-quote {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
  font-style: italic;
  background: var(--gold-soft);
}

.annot-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 30vh;
}

.annot-line-full {
  padding: 10px 12px;
  background: var(--annot-line-bg);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.7;
}

.annot-empty {
  text-align: center;
  color: var(--text-faint);
  font-style: italic;
  padding: 20px;
  font-size: 13px;
}

.annot-input-area {
  padding: 14px 20px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.annot-input-area textarea {
  width: 100%;
  background: var(--textarea-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  padding: 12px;
  border-radius: 4px;
  outline: none;
  resize: none;
  min-height: 80px;
  line-height: 1.6;
}

.annot-input-area textarea:focus {
  border-color: var(--gold);
}

.annot-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn-primary, .btn-secondary {
  padding: 10px 24px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border-strong);
  background: transparent;
}

.btn-primary {
  color: var(--gold);
}

.btn-primary:active {
  background: var(--gold-soft);
}

.btn-secondary {
  color: var(--text-soft);
}

.btn-secondary:active {
  background: var(--card);
}

@media (max-width: 480px) {
  .header { padding: 14px 16px; }
  .reader { padding: 24px 18px 60px; }
  .para { font-size: 15px; }
  .chapter-title { font-size: 20px; margin-bottom: 32px; }
}
/* === 书签相关:加在 style.css 末尾 === */

/* 段落上的书签标记(右上角小星星) */
.bm-mark {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  opacity: 0.6;
  vertical-align: super;
}

/* 跳转书签时段落短暂高亮一下 */
.para-flash {
  animation: paraFlash 1.5s ease;
}
@keyframes paraFlash {
  0%   { background: var(--gold-soft); }
  100% { background: transparent; }
}

/* 书签抽屉里每一条 */
.bm-item {
  align-items: flex-start;
  gap: 10px;
}

.bm-who {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
}

.bm-body {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.bm-head {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 4px;
}

.bm-note {
  font-size: 13px;
  color: var(--gold);
  font-style: italic;
  margin-bottom: 4px;
  line-height: 1.5;
}

.bm-preview {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.bm-del {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--text-faint);
  cursor: pointer;
  padding: 0 6px;
  line-height: 1;
}

.bm-del:active {
  color: var(--accent);
}

/* annot-actions 里现在可能有 3 个按钮,需要让它们能挤下 */
.annot-actions {
  flex-wrap: wrap;
}

.annot-actions .btn-secondary,
.annot-actions .btn-primary {
  padding: 10px 18px;   /* 原来 24,挤一点 */
  letter-spacing: 2px;  /* 原来 3 */
}