/* style.css - 2026 theme-aware version */

/* 全局盒模型重置，确保布局精准不溢出 */
*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --page-bg: #f5f5f5;
  --content-bg: #fff;
  --content-border: transparent;
  --content-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
  --text-main: #1a1a1a;
  --text-body: #333;
  --text-heading: #333;
  --text-muted: #999;
  --link: #008f84;
  --accent: #00c2b3;
  --accent-soft: rgba(0, 194, 179, 0.35);
  --list-border: #eee;
  --list-hover-bg: #fafafa;
  --dash-border: #ddd;
  --author-text: #555;
  --image-shadow: none;
  --logo-image: url('img/logo.png');
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page-bg: #101312;
    --content-bg: #181c1b;
    --content-border: rgba(255, 255, 255, 0.07);
    --content-shadow: 0px 14px 36px rgba(0, 0, 0, 0.28);
    --text-main: #eef3f2;
    --text-body: #d7dddb;
    --text-heading: #f1f5f4;
    --text-muted: #9aa4a1;
    --link: #28d0c1;
    --accent: #00c2b3;
    --accent-soft: rgba(0, 194, 179, 0.42);
    --list-border: rgba(255, 255, 255, 0.1);
    --list-hover-bg: rgba(255, 255, 255, 0.045);
    --dash-border: rgba(255, 255, 255, 0.14);
    --author-text: #bdc8c5;
    --image-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    --logo-image: url('img/logo-dark.png');
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-bg: #101312;
  --content-bg: #181c1b;
  --content-border: rgba(255, 255, 255, 0.07);
  --content-shadow: 0px 14px 36px rgba(0, 0, 0, 0.28);
  --text-main: #eef3f2;
  --text-body: #d7dddb;
  --text-heading: #f1f5f4;
  --text-muted: #9aa4a1;
  --link: #28d0c1;
  --accent: #00c2b3;
  --accent-soft: rgba(0, 194, 179, 0.42);
  --list-border: rgba(255, 255, 255, 0.1);
  --list-hover-bg: rgba(255, 255, 255, 0.045);
  --dash-border: rgba(255, 255, 255, 0.14);
  --author-text: #bdc8c5;
  --image-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  --logo-image: url('img/logo-dark.png');
}

/* --- 1. 全局设置 (字体与基础颜色) --- */
body {
  margin: 0;
  padding: 0;
  /* 完整的现代字体栈 */
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.82;
  letter-spacing: 0.012em;
  background-color: var(--page-bg);
  color: var(--text-main);
}

/* --- 2. Logo 样式 (PC端基础定义) --- */
#logo {
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 9999;
  display: block;
  width: 100px;
  height: 100px;
  background-image: var(--logo-image);
  background-size: cover;
  background-repeat: no-repeat;
  outline: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

/* --- 3. 内容容器 --- */
#content {
  margin-top: 80px;
  margin-left: auto;
  margin-right: auto;
  min-width: 0;
  width: 90%;
  max-width: 840px;
  padding: 30px;
  background-color: var(--content-bg);
  border: 1px solid var(--content-border);
  box-shadow: var(--content-shadow);
  border-radius: 12px;
  overflow-wrap: break-word;
}

/* --- 4. 标题样式 (一浓一淡) --- */
h1, h2 {
  position: relative;
  padding-left: 15px;
  font-weight: bold;
  line-height: 1.2;
  color: var(--text-heading);
}

/* H1: 深色粗线 (观点/主标题) */
h1::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  background-color: var(--accent);
  border-radius: 2px;
}

/* H2: 浅色细线 (分享/副标题) */
h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 18px;
  background-color: var(--accent-soft);
  border-radius: 1px;
}

h1 { font-size: 32px; margin-top: 0; }
h2 { font-size: 24px; margin-top: 35px; }

/* --- 5. 正文与链接 --- */
p {
  line-height: 1.82;
  margin-top: 10px;
  margin-bottom: 22px;
  color: var(--text-body);
}

a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover { opacity: 0.7; }

#content p,
#content li,
#content a,
#content strong {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* --- 6. 图片 (无横线) --- */
img {
  max-width: 100%;
  height: auto;
  margin-top: 20px;
  border-radius: 10px;
  box-shadow: var(--image-shadow);
}

/* --- 7. Words 列表样式 --- */
.article-list { list-style: none; padding: 0; margin: 0; }
.article-list li { border-bottom: 1px solid var(--list-border); }
.article-list li:has(img) { border-bottom: none; }
.article-list li:last-child { border-bottom: none; }
.article-list a {
  display: block;
  padding: 18px 5px;
  font-size: 18px;
  color: var(--text-body);
  text-decoration: none;
  transition: padding-left 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}
.article-list a:hover {
  background-color: var(--list-hover-bg);
  padding-left: 10px;
}

/* 兼容少量页面里的内联浅色样式 */
#content a[style*="color: #555"],
#content p[style*="color: #555"] {
  color: var(--author-text) !important;
}

#content div[style*="border-top"] {
  border-top-color: var(--dash-border) !important;
}

#content img[style*="box-shadow"] {
  box-shadow: var(--image-shadow) !important;
}

/* --- 8. 底部版权与主题切换 --- */
#footer {
  text-align: center;
  margin-top: 30px;
  padding: 20px;
  font-size: 12px;
  color: var(--text-muted);
}

#footer a {
  color: var(--link);
}

.theme-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--link);
  cursor: pointer;
  font: inherit;
  padding: 0;
  transition: opacity 0.2s;
}

.theme-toggle:hover {
  opacity: 0.7;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* --- 9. 响应式与移动端适配 --- */

/* 平板与中屏设备 (宽度小于 1150px)：将 Logo 转为绝对定位，解决侧边固定遮挡问题 */
@media (max-width: 1150px) {
  #logo {
    position: absolute !important;
    top: 15px;
    left: 15px;
    width: 80px;
    height: 80px;
  }

  #content {
    margin-top: 110px;
    padding: 30px 25px;
  }
}

/* 手机端设备 (宽度小于 767px)：微调排版以最大化阅读面积 */
@media (max-width: 767px) {
  #content {
    margin-top: 110px;
    padding: 25px 18px;
  }

  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
}
/* --- 10. Daily extras --- */
#content {
  margin-bottom: 26px;
}

h3 {
  position: relative;
  padding-left: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-heading);
  font-size: 19px;
  margin-top: 28px;
  margin-bottom: 6px;
}

h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 14px;
  background-color: var(--accent-soft);
  border-radius: 1px;
}

h4,
h5,
h6 {
  color: var(--text-heading);
  margin-top: 20px;
  margin-bottom: 6px;
}

p strong,
li strong {
  color: var(--text-main);
}

em {
  color: var(--author-text);
}

ul,
ol {
  padding-left: 1.5em;
  margin: 8px 0 16px;
}

li {
  line-height: 1.82;
  color: var(--text-body);
  margin: 4px 0;
}

code {
  font-family: "SF Mono", "Fira Code", Menlo, monospace;
  font-size: 0.85em;
  background: var(--list-hover-bg);
  color: var(--text-main);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

blockquote {
  border-left: 3px solid var(--accent-soft);
  margin: 16px 0;
  padding: 8px 16px;
  background: var(--list-hover-bg);
  border-radius: 0 8px 8px 0;
  color: var(--author-text);
}

hr {
  border: none;
  border-top: 1px solid var(--list-border);
  margin: 28px 0;
}

.hero {
  margin-bottom: 12px;
}

.hero-title-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.hero-title-row h1 {
  margin: 0;
  flex: 0 0 auto;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 4px;
  padding-left: 15px;
  font-size: 17px;
  line-height: 1.72;
  color: var(--text-muted);
}

.hero-meta a {
  color: var(--link);
}

.hero-divider {
  margin: 0 2px;
  color: var(--text-muted);
}

.hero-date {
  display: inline-block;
  margin-left: 10px;
  margin-top: 0;
  color: var(--text-muted);
  white-space: nowrap;
}

.hero h1 {
  margin-top: 20px;
  margin-bottom: 0;
}

.theme-observation {
  margin: 8px 0 2px;
  padding: 14px 16px 14px 18px;
  border: 1px solid rgba(0, 194, 179, 0.18);
  border-left: 3px solid rgba(0, 194, 179, 0.32);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(0, 194, 179, 0.05) 0%, rgba(0, 194, 179, 0.02) 100%);
}

.theme-intro {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--author-text);
}

.theme-list {
  margin: 0;
  padding-left: 1.15em;
}

.theme-list li {
  margin: 8px 0;
}

.archive-section {
  margin-top: 40px;
}

.archive-nav {
  margin: 0;
}

details.month-item,
details.older-archive {
  border-bottom: 1px solid var(--list-border);
}

details.month-item:last-child,
details.older-archive:last-child {
  border-bottom: none;
}

details.month-item > summary,
details.older-archive > summary {
  list-style: none;
  display: flex;
  align-items: center;
  padding: 11px 5px;
  font-size: 15px;
  color: var(--author-text);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s;
}

details.month-item > summary::-webkit-details-marker,
details.older-archive > summary::-webkit-details-marker {
  display: none;
}

details.month-item > summary::before,
details.older-archive > summary::before {
  content: ">";
  font-size: 11px;
  margin-right: 8px;
  transition: transform 0.2s;
  flex-shrink: 0;
}

details.month-item > summary::before {
  color: var(--text-muted);
}

details.older-archive > summary {
  color: var(--link);
  font-size: 14px;
}

details.older-archive > summary::before {
  color: var(--accent);
}

details.month-item[open] > summary::before,
details.older-archive[open] > summary::before {
  transform: rotate(90deg);
}

details.month-item > summary:hover,
details.older-archive > summary:hover {
  background-color: var(--list-hover-bg);
}

.month-count {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 6px;
}

.day-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.day-list li {
  border-top: 1px solid var(--list-border);
}

.day-list li a {
  display: block;
  padding: 9px 5px 9px 22px;
  font-size: 14px;
  color: var(--text-body);
  transition: padding-left 0.2s ease, background-color 0.2s ease;
  font-variant-numeric: tabular-nums;
}

.day-list li a:hover {
  background-color: var(--list-hover-bg);
  padding-left: 28px;
}

.day-list li.active a {
  color: var(--link);
  font-weight: 600;
}

.older-months {
  padding-bottom: 4px;
}

.today-tag {
  font-size: 11px;
  background: rgba(0, 194, 179, 0.12);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.no-archive {
  font-size: 14px;
  color: var(--text-muted);
}

.lede {
  color: var(--author-text);
  margin: 6px 0 28px;
}

.sub-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 0;
}

.sub-form input[type="email"] {
  flex: 1 1 240px;
  min-width: 0;
  padding: 10px 14px;
  background: var(--content-bg);
  border: 1px solid var(--dash-border);
  border-radius: 8px;
  font-size: 17px;
  color: var(--text-main);
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.sub-form input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 194, 179, 0.15);
}

.sub-form button {
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, opacity 0.15s;
}

.sub-form button:hover {
  background: #00a89b;
  opacity: 1;
}

.sub-form button:disabled {
  background: #7dbcb6;
  cursor: not-allowed;
}

.sub-status {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
}

.sub-status[data-kind="ok"] {
  background: rgba(0, 194, 179, 0.1);
  color: var(--link);
  border: 1px solid rgba(0, 194, 179, 0.2);
}

.sub-status[data-kind="warn"] {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.28);
}

.sub-status[data-kind="err"] {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.24);
}

.rss-url {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 14px;
  background: var(--list-hover-bg);
  border-radius: 8px;
  font-family: "SF Mono", "Fira Code", Menlo, monospace;
  font-size: 15px;
  color: var(--link);
  user-select: all;
  word-break: break-all;
}

ol.entries {
  list-style: none;
  padding: 0;
  margin: 0;
}

ol.entries > li {
  padding: 16px 0;
  border-top: 1px solid var(--list-border);
}

ol.entries > li:first-child {
  border-top: none;
  padding-top: 0;
}

ol.entries > li:last-child {
  padding-bottom: 0;
}

.entry-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-main);
}

.entry-title a {
  color: inherit;
}

.entry-title a:hover {
  color: var(--link);
  opacity: 1;
}

.entry-meta {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 767px) {
  h3 {
    font-size: 18px;
    margin-top: 20px;
  }

  .hero-meta {
    font-size: 15px;
  }

  .hero-date {
    display: block;
    width: 100%;
    margin-left: 0;
    margin-top: 4px;
  }

  .hero-title-row {
    display: block;
  }

  .hero-title-row .hero-date {
    margin-top: 8px;
    padding-left: 15px;
  }
}