/* ===== 余白 · 书签 — 日式简约文学风 ===== */

:root {
  --paper: #f4efe4;        /* 宣纸底色 */
  --paper-deep: #ece4d4;   /* 略深纸色 */
  --ink: #2a2622;          /* 墨色 */
  --ink-soft: #5c544a;     /* 淡墨 */
  --ink-faint: #8c8378;    /* 远墨 */
  --vermilion: #b14a39;    /* 朱 */
  --moss: #6f7458;         /* 苔绿 */
  --line: #d9cfba;         /* 浅线 */
  --shadow: rgba(60, 50, 35, 0.08);
  --header-from: rgba(244, 239, 228, 0.6);
  --serif-jp: "Noto Serif JP", "Noto Serif SC", "Songti SC", serif;
  --serif-sc: "Noto Serif SC", "Songti SC", "STSong", serif;
}

/* 夜读 · 深色主题 */
[data-theme="dark"] {
  --paper: #1b1916;
  --paper-deep: #232019;
  --ink: #e9e1d1;
  --ink-soft: #b9ae9a;
  --ink-faint: #8b8170;
  --vermilion: #d2684f;
  --moss: #9aa17e;
  --line: #3a342b;
  --shadow: rgba(0, 0, 0, 0.4);
  --header-from: rgba(27, 25, 22, 0.6);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--serif-sc);
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(circle at 18% 12%, rgba(177, 74, 57, 0.04), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(111, 116, 88, 0.05), transparent 45%);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

/* 纸面细纹理 */
.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    repeating-linear-gradient(0deg, rgba(120, 100, 70, 0.015) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(120, 100, 70, 0.015) 0 1px, transparent 1px 3px);
}

/* ===== 头部 ===== */
.site-header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 4.5rem 1.5rem 2.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--header-from), transparent);
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
}

.title-seal {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.site-title {
  font-family: var(--serif-sc);
  font-weight: 500;
  font-size: clamp(2.4rem, 6.5vw, 3.6rem);
  margin: 0;
  /* 竖排成卷，书卷气而不改字 */
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.12em;
  line-height: 1.05;
  color: var(--ink);
  padding: 0.1rem 0.15rem;
}

.site-sub {
  font-family: var(--serif-jp);
  font-size: clamp(0.95rem, 2.4vw, 1.3rem);
  color: var(--vermilion);
  letter-spacing: 0.3em;
  border-left: 1px solid var(--line);
  padding-left: 0.9rem;
  margin-top: 0.2rem;
}

.epigraph {
  margin: 0;
  font-family: var(--serif-sc);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  letter-spacing: 0.18em;
  line-height: 2.1;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

.epi-line { display: block; text-align: center; overflow-wrap: anywhere; }
.epi-author {
  font-size: 0.8rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  margin-top: 0.35rem;
}

.site-desc {
  margin: 1.6rem auto 0;
  max-width: 30rem;
  color: var(--ink-faint);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
}

/* ===== 内容区 ===== */
.content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* 工具栏 */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.add-toggle {
  font-family: var(--serif-sc);
  font-size: 1rem;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: var(--ink);
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}
.add-toggle:hover { background: var(--vermilion); }
.add-toggle .add-mark { margin-right: 0.3rem; font-weight: 400; }

.search-wrap { flex: 1 1 200px; min-width: 180px; }
.search-input {
  width: 100%;
  font-family: var(--serif-sc);
  font-size: 0.95rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.2rem;
  letter-spacing: 0.08em;
  transition: border-color 0.3s ease;
}
.search-input:focus {
  outline: none;
  border-bottom-color: var(--vermilion);
}
.search-input::placeholder { color: var(--ink-faint); }

/* 添加表单 */
.add-form {
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1.6rem 1.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 1.4rem;
  box-shadow: 0 4px 18px var(--shadow);
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-wide { grid-column: 1 / -1; }
.field label {
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}
.field input,
.field textarea {
  font-family: var(--serif-sc);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.55rem 0.7rem;
  letter-spacing: 0.04em;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--moss);
}
.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.9rem;
  margin-top: 0.3rem;
}
.btn-primary,
.btn-ghost {
  font-family: var(--serif-sc);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  padding: 0.55rem 1.6rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-primary {
  background: var(--vermilion);
  color: var(--paper);
  border: 1px solid var(--vermilion);
}
.btn-primary:hover { background: #9a3c2c; }
.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink-soft); }

/* 分类筛选 */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.8rem;
  margin-bottom: 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px dashed var(--line);
}
.filter-chip {
  font-family: var(--serif-sc);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0.3rem 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.filter-chip:hover { border-color: var(--vermilion); color: var(--vermilion); }
.filter-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* 书签列表 */
.bookmark-list {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}
.bookmark-item {
  position: relative;
  display: block;
  padding: 1.35rem 1.5rem 1.25rem 1.9rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  text-decoration: none;
  color: inherit;
  transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s ease;
}
/* 左上角钤印：藏 */
.bookmark-item::before {
  content: "藏";
  position: absolute;
  top: 0.55rem;
  left: 0.55rem;
  width: 1.15rem;
  height: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-sc);
  font-size: 0.66rem;
  line-height: 1;
  color: var(--vermilion);
  border: 1px solid var(--vermilion);
  border-radius: 2px;
  opacity: 0.28;
  transition: opacity 0.35s ease;
}
.bookmark-item:hover {
  background: linear-gradient(135deg, rgba(177, 74, 57, 0.045), rgba(60, 50, 35, 0.02) 70%);
  border-color: var(--vermilion);
  transform: translateY(-1px);
}
.bookmark-item:hover::before { opacity: 0.6; }

.bm-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.bm-title {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.bm-cat {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--moss);
  border: 1px solid var(--moss);
  border-radius: 12px;
  padding: 0.05rem 0.6rem;
}
.bm-url {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  word-break: break-all;
}
.bm-note {
  margin: 0.7rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-style: italic;
}
.bm-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.8rem;
}
.bm-date { font-size: 0.75rem; color: var(--ink-faint); letter-spacing: 0.08em; }
.bm-ops { display: inline-flex; gap: 0.2rem; }
.bm-del,
.bm-edit {
  font-family: var(--serif-sc);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  background: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.bm-del:hover { color: var(--vermilion); border-color: var(--vermilion); }
.bm-edit:hover { color: var(--moss); border-color: var(--moss); }

.empty-hint {
  text-align: center;
  color: var(--ink-faint);
  font-style: italic;
  letter-spacing: 0.1em;
  padding: 3rem 0;
}

/* 页脚 */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--ink-faint);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}
.seal-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  color: var(--paper);
  background: var(--vermilion);
  border-radius: 3px;
  font-family: var(--serif-jp);
  font-size: 0.9rem;
}
/* 管理入口：以印章为隐秘入口，外观如常，仅 hover 微显 */
.seal-entry {
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.seal-entry:hover { opacity: 0.78; transform: translateY(-1px); }

.hidden { display: none !important; }

/* 移动端 */
@media (max-width: 560px) {
  .add-form { grid-template-columns: 1fr; }
  .site-header { padding-top: 3rem; }
  .bookmark-item { padding-left: 1.9rem; }
}

/* 入场动画 */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.bookmark-item { animation: fadeUp 0.5s ease both; }

/* ===== 实用工具条 ===== */
.utils {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
  justify-content: flex-end;
}
.util-btn {
  font-family: var(--serif-sc);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.35rem 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.util-btn:hover { border-color: var(--vermilion); color: var(--vermilion); }
.util-btn.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ===== 弹窗 ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow-y: auto;
}
.modal.hidden { display: none !important; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 16, 12, 0.45);
  backdrop-filter: blur(2px);
}
.modal-panel {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.8rem 1.8rem 1.5rem;
  width: min(420px, 92vw);
  max-height: 92vh;
  margin: auto;
  overflow-y: auto;
  box-shadow: 0 12px 44px var(--shadow);
  animation: fadeUp 0.35s ease both;
}
.modal-title {
  font-family: var(--serif-sc);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.16em;
  margin: 0 0 0.4rem;
}
.modal-hint {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: 0 0 1.1rem;
  letter-spacing: 0.05em;
}
.modal-actions {
  display: flex;
  gap: 0.8rem;
  justify-content: flex-end;
  margin-top: 1.2rem;
}

/* 分类管理 */
.cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 52vh;
  overflow: auto;
}
.cat-manage-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--line);
}
.cat-manage-name {
  flex: 1;
  font-size: 1rem;
  letter-spacing: 0.08em;
}
.cat-mini-btn {
  font-family: var(--serif-sc);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.22rem 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.cat-mini-btn:hover { border-color: var(--vermilion); color: var(--vermilion); }

/* 口令 */
.token-input {
  width: 100%;
  font-family: var(--serif-sc);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.55rem 0.7rem;
  letter-spacing: 0.04em;
}
.token-input:focus { outline: none; border-color: var(--moss); }
.token-clear {
  display: block;
  margin: 0.9rem auto 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  letter-spacing: 0.08em;
}

/* ===== 只读首页工具栏 ===== */
.toolbar-read {
  align-items: center;
}

/* ===== 首页低调「管理」入口（已隐入印章） ===== */
.admin-entry { display: none; }

/* ===== 管理后台 · 退出按钮 ===== */
.util-exit:hover { border-color: var(--vermilion); color: var(--vermilion); }
a.util-btn { text-decoration: none; display: inline-block; }

/* ===== 登录闸门 ===== */
.login-gate {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-panel {
  width: min(360px, 92vw);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 2.6rem 2rem;
  background: linear-gradient(180deg, var(--header-from), transparent);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 12px 44px var(--shadow);
  animation: fadeUp 0.5s ease both;
}
.login-title {
  justify-content: center;
  margin-bottom: 0.6rem;
}
.login-hint {
  color: var(--ink-faint);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  margin: 0 0 1.3rem;
}
.login-panel .token-input {
  text-align: center;
  letter-spacing: 0.2em;
}
.login-error {
  color: var(--vermilion);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin: 0.7rem 0 0;
}
.login-btn {
  width: 100%;
  margin-top: 1.3rem;
  border: 1px solid var(--vermilion);
}
.login-back {
  margin-top: 1.4rem;
  color: var(--ink-faint);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}
.login-back:hover { color: var(--ink-soft); }

.admin-header { padding-top: 3rem; }
.cat-empty {
  color: var(--ink-faint);
  font-style: italic;
  letter-spacing: 0.08em;
  padding: 0.8rem 0;
}

/* 分类：新建行 */
.cat-new {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}
.cat-new .token-input { flex: 1; }
.cat-edit-input { flex: 1; }
.cat-manage-count {
  font-size: 0.78rem;
  color: var(--ink-faint);
  background: var(--paper-deep);
  border-radius: 999px;
  padding: 0.05rem 0.6rem;
  letter-spacing: 0.06em;
}

/* ===== 导入弹窗 ===== */
.import-panel { width: min(520px, 94vw); }
.drop-zone {
  border: 1px dashed var(--line);
  border-radius: 4px;
  padding: 1.4rem 1rem;
  text-align: center;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.drop-zone.drag {
  border-color: var(--moss);
  background: rgba(108, 122, 92, 0.08);
}
.drop-text {
  margin: 0 0 0.8rem;
  color: var(--ink-faint);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}
.import-or {
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin: 1.1rem 0 0.5rem;
}
.import-paste {
  width: 100%;
  font-family: var(--serif-sc);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.6rem 0.7rem;
  resize: vertical;
  line-height: 1.6;
}
.import-paste:focus { outline: none; border-color: var(--moss); }
.import-actions { text-align: center; margin-top: 0.7rem; }
.import-preview {
  margin-top: 1.1rem;
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
}
.import-summary {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.7rem;
}
.import-summary .ok { color: var(--moss); }
.import-summary .warn { color: var(--vermilion); }
.import-items {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 32vh;
  overflow: auto;
}
.import-items li {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "title cat" "url url";
  gap: 0.1rem 0.6rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
}
.pi-title { grid-area: title; font-size: 0.95rem; letter-spacing: 0.04em; }
.pi-cat {
  grid-area: cat;
  font-size: 0.74rem;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.02rem 0.55rem;
}
.pi-url {
  grid-area: url;
  font-size: 0.76rem;
  color: var(--ink-faint);
  word-break: break-all;
}
.pi-more {
  text-align: center;
  color: var(--ink-faint);
  font-style: italic;
  font-size: 0.8rem;
  padding: 0.6rem 0 !important;
  border: none !important;
}
.import-result {
  margin-top: 1rem;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--moss);
  text-align: center;
}

/* ===== 箴言管理 ===== */
.quote-new {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}
.quote-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 38vh;
  overflow: auto;
}
.quote-manage-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line);
}
.quote-manage-text {
  flex: 1;
  font-size: 0.96rem;
  letter-spacing: 0.06em;
  white-space: pre-wrap;
  line-height: 1.7;
}
.quote-manage-src {
  font-size: 0.76rem;
  color: var(--ink-faint);
  flex-shrink: 0;
  max-width: 40%;
  text-align: right;
}
.quote-edit-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.quote-edit-area .token-input { width: 100%; }
.quote-edit-area .cat-mini-btn { align-self: flex-start; }
.quote-setting {
  border-top: 1px dashed var(--line);
  margin-top: 1rem;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.quote-setting label {
  font-size: 0.82rem;
  color: var(--ink-faint);
  letter-spacing: 0.12em;
}