:root {
  --font-family: 'HarmonyOS Sans', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --bg-tint: rgba(247, 250, 255, 0.82);
  --bg-tint-strong: rgba(255, 255, 255, 0.9);
  --panel-bg: rgba(255, 255, 255, 0.86);
  --panel-border: rgba(80, 106, 158, 0.18);
  --panel-shadow: 0 14px 38px rgba(24, 40, 76, 0.12);
  --text-primary: #1b2f55;
  --text-soft: #5d6f93;
  --accent: #2b6cef;
  --accent-strong: #1348b7;
  --danger: #b83535;
  --success: #208b5c;
  --warn: #c97810;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

html[data-theme='dark'] {
  --bg-tint: rgba(7, 12, 24, 0.8);
  --bg-tint-strong: rgba(12, 18, 34, 0.9);
  --panel-bg: rgba(17, 26, 46, 0.86);
  --panel-border: rgba(162, 188, 242, 0.2);
  --panel-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --text-primary: #d7e4ff;
  --text-soft: #93a8d1;
  --accent: #8ab4ff;
  --accent-strong: #b4ceff;
  --danger: #f28f8f;
  --success: #7cd8b0;
  --warn: #f3bf79;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 183, 77, 0.28), transparent 36%),
    radial-gradient(circle at 92% 18%, rgba(43, 108, 239, 0.22), transparent 30%),
    linear-gradient(160deg, var(--bg-tint) 0%, var(--bg-tint-strong) 100%),
    url('https://shiyanjieya.cn/assets/bg.webp') center/cover fixed no-repeat,
    url('https://shiyanjieya.cn/article/assets/bg.webp') center/cover fixed no-repeat;
  background-blend-mode: normal, normal, normal, normal, overlay;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.screen {
  width: min(100%, 1620px);
  margin: 0 auto;
  padding: 24px 20px 30px;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(9px);
}

.panel p,
.stack-item p {
  line-height: 1.72;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-soft);
}

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

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.auth-shell {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 460px);
  gap: 20px;
}

.auth-copy,
.auth-form-panel {
  padding: 28px;
}

.auth-copy h1,
.auth-form-panel h2 {
  margin: 0;
}

.auth-copy p {
  line-height: 1.7;
}

.auth-bullets {
  margin: 18px 0 0;
  padding-left: 18px;
}

.auth-bullets li {
  margin: 8px 0;
  color: var(--text-soft);
}

.auth-head p {
  margin: 10px 0 0;
}

.form-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid label span {
  font-size: 0.86rem;
  color: var(--text-soft);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  min-height: 40px;
  padding: 10px 12px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

html[data-theme='dark'] .form-grid input,
html[data-theme='dark'] .form-grid select,
html[data-theme='dark'] .form-grid textarea {
  background: rgba(11, 20, 38, 0.62);
}

.form-grid textarea {
  min-height: 120px;
  resize: vertical;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 52%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  background: rgba(255, 255, 255, 0.92);
}

html[data-theme='dark'] .form-grid input:focus,
html[data-theme='dark'] .form-grid select:focus,
html[data-theme='dark'] .form-grid textarea:focus {
  background: rgba(17, 29, 52, 0.9);
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-dense {
  gap: 10px;
}

.button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.68);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-ghost {
  color: var(--text-primary);
}

.button-danger {
  background: var(--danger);
  color: #fff;
  border-color: transparent;
}

.error-text {
  grid-column: 1 / -1;
  margin: 0;
  min-height: 1.4em;
  color: var(--danger);
}

.auth-foot {
  margin-top: 14px;
  font-size: 0.88rem;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  margin-bottom: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--panel-shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.brand-block h1 {
  margin: 0;
  font-size: 1.32rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(43, 108, 239, 0.12);
  border: 1px solid rgba(43, 108, 239, 0.26);
  color: var(--accent-strong);
  font-size: 0.82rem;
}

.app-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 16px;
}

.sidebar {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-button {
  min-height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(80, 106, 158, 0.14);
  background: rgba(255, 255, 255, 0.45);
  text-align: left;
  padding: 0 12px;
  font-weight: 600;
}

html[data-theme='dark'] .nav-button {
  background: rgba(9, 16, 33, 0.55);
}

.nav-button.is-active {
  background: rgba(43, 108, 239, 0.15);
  border-color: rgba(43, 108, 239, 0.34);
  color: var(--accent-strong);
}

.sidebar-divider {
  margin: 10px 0 6px;
  border-top: 1px solid var(--panel-border);
}

.content-column {
  min-width: 0;
}

.view {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.view.is-active {
  display: flex;
}

.panel-headline {
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.panel-headline h2 {
  margin: 0;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 14px;
}

.stat-card span {
  display: block;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.45rem;
}

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.two-col-grid.wide-left {
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
}

.panel h3 {
  margin: 0;
  padding: 14px 16px 0;
}

.stack-list {
  padding: 12px 16px 16px;
  display: grid;
  gap: 10px;
}

.stack-item {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.56);
  padding: 12px 14px;
}

html[data-theme='dark'] .stack-item {
  background: rgba(8, 15, 28, 0.62);
}

.stack-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.stack-head strong {
  font-size: 1rem;
}

.stack-meta {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid var(--panel-border);
  color: var(--text-soft);
}

#view-article-comments .stack-item {
  border-left: 4px solid color-mix(in srgb, var(--accent) 42%, transparent);
  background: color-mix(in srgb, var(--panel-bg) 84%, #fff 16%);
}

.comment-reading {
  margin: 8px 0 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px dashed var(--panel-border);
  background: rgba(255, 255, 255, 0.5);
}

html[data-theme='dark'] .comment-reading {
  background: rgba(9, 18, 35, 0.5);
}

.tag-good {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 45%, transparent);
}

.tag-warn {
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
}

.tag-danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}

.toolbar-grid {
  padding: 12px 16px 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.toolbar-grid.toolbar-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.toolbar-grid.toolbar-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.compact-toolbar {
  padding: 0;
  margin: 10px 0;
}

.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.checkbox-grid label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 8px 13px;
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  user-select: none;
}

html[data-theme='dark'] .checkbox-grid label {
  background: rgba(10, 18, 33, 0.62);
}

.form-grid input::placeholder,
.form-grid textarea::placeholder {
  color: color-mix(in srgb, var(--text-soft) 86%, #fff 14%);
}

.pagination {
  padding: 0 16px 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.page-chip {
  min-height: 34px;
  min-width: 34px;
  padding: 0 10px;
}

.empty {
  color: var(--text-soft);
  padding: 6px 0;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 20px;
  z-index: 80;
  max-width: 56ch;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: rgba(10, 20, 39, 0.92);
  color: #fff;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
}

.toast.is-error {
  background: rgba(168, 34, 34, 0.94);
}

.toast.is-success {
  background: rgba(23, 113, 72, 0.94);
}

.article-markdown-area {
  min-height: 320px;
  font-family: 'Cascadia Code', 'Consolas', monospace;
  line-height: 1.7;
}

.editor-preview-wrap {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.48);
  padding: 10px;
  display: grid;
  gap: 10px;
}

html[data-theme='dark'] .editor-preview-wrap {
  background: rgba(8, 16, 33, 0.54);
}

.markdown-preview {
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  background: rgba(255, 255, 255, 0.62);
  line-height: 1.75;
  white-space: normal;
}

html[data-theme='dark'] .markdown-preview {
  background: rgba(9, 18, 36, 0.7);
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4 {
  margin: 0.55em 0 0.35em;
}

.markdown-preview pre {
  overflow: auto;
  border-radius: var(--radius-sm);
  padding: 12px;
  background: rgba(12, 20, 34, 0.86);
  color: #d8e7ff;
}

.markdown-preview code {
  font-family: 'Cascadia Code', 'Consolas', monospace;
}

.media-archive-box,
.markdown-import-box {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 12px;
  background: rgba(255, 255, 255, 0.56);
}

html[data-theme='dark'] .media-archive-box,
html[data-theme='dark'] .markdown-import-box {
  background: rgba(9, 17, 35, 0.58);
}

.media-archive-box h4,
.markdown-import-box h4 {
  margin: 2px 0 6px;
}

.compact-list {
  padding: 8px 0 0;
}

.region-heat-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  padding: 8px 16px 2px;
}

.region-heat-item {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.58);
}

html[data-theme='dark'] .region-heat-item {
  background: rgba(7, 16, 30, 0.64);
}

.region-heat-item strong {
  display: block;
  font-size: 0.93rem;
}

.region-heat-item span {
  display: block;
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.83rem;
}

.visitor-details {
  margin-top: 8px;
  border-top: 1px dashed var(--panel-border);
  padding-top: 8px;
}

.visitor-details summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 600;
  margin-bottom: 6px;
}

.visitor-details p {
  margin: 6px 0;
}

input[type='checkbox'] {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--panel-border));
  background: rgba(255, 255, 255, 0.9);
  position: relative;
  vertical-align: middle;
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

input[type='checkbox']:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 28%, transparent);
}

input[type='checkbox']:checked {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-color: var(--accent-strong);
}

input[type='checkbox']:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.article-editor-layout {
  grid-template-columns: 1fr;
}

#view-articles-editor .panel {
  background: color-mix(in srgb, var(--panel-bg) 84%, #fff 16%);
}

#view-articles-editor .article-markdown-area {
  min-height: 56vh;
  font-size: 1rem;
  line-height: 1.9;
  border-radius: 14px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
}

html[data-theme='dark'] #view-articles-editor .article-markdown-area {
  background: rgba(9, 17, 34, 0.92);
}

#view-articles-editor .markdown-preview {
  min-height: 260px;
  max-height: 60vh;
  padding: 16px;
}

.comments-reader-layout {
  grid-template-columns: minmax(420px, 1.2fr) minmax(320px, 0.8fr);
}

.comment-stream-list .comment-stream-item {
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.comment-stream-list .comment-stream-item:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--panel-border));
}

.comment-stream-list .comment-stream-item.is-active {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--panel-border));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

.comment-detail-panel {
  position: sticky;
  top: 90px;
  align-self: start;
}

.comment-detail-empty {
  padding: 12px 16px 20px;
  color: var(--text-soft);
}

.comment-detail-card {
  padding: 12px 16px;
}

.comment-detail-content {
  margin: 10px 0;
  border: 1px dashed var(--panel-border);
  border-radius: 10px;
  padding: 12px;
  line-height: 1.8;
}

.visitors-charts-wrap {
  padding: 8px 16px;
}

#visitors-charts-embed {
  width: 100%;
  min-height: 360px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: #fff;
}

html[data-theme='dark'] #visitors-charts-embed {
  background: #0b1323;
}

body.article-editor-focus .app-header,
body.article-editor-focus .sidebar {
  display: none;
}

body.article-editor-focus .app-layout {
  grid-template-columns: 1fr;
}

body.article-editor-focus .content-column {
  padding: 8px;
}

body.article-editor-focus #view-articles-editor .panel {
  border-radius: 18px;
}

body.article-editor-focus #view-articles-editor .panel-headline {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--panel-bg) 85%, transparent);
  backdrop-filter: blur(10px);
}

body.article-editor-focus #view-articles-editor .article-markdown-area {
  min-height: 64vh;
  font-size: 1.04rem;
  line-height: 2;
}

.editor-context-menu {
  position: fixed;
  z-index: 120;
  min-width: 190px;
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.2);
  display: grid;
  gap: 4px;
}

html[data-theme='dark'] .editor-context-menu {
  background: rgba(9, 18, 35, 0.95);
}

.editor-context-menu button {
  border: 1px solid transparent;
  border-radius: 10px;
  text-align: left;
  padding: 8px 10px;
  background: transparent;
  color: var(--text-primary);
}

.editor-context-menu button:hover {
  background: rgba(43, 108, 239, 0.12);
  border-color: rgba(43, 108, 239, 0.2);
}

.devices-shell {
  padding: 10px;
}

#devices-embed {
  width: 100%;
  min-height: 72vh;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: #fff;
}

html[data-theme='dark'] #devices-embed {
  background: #0b1323;
}

@media (max-width: 1180px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-col-grid,
  .two-col-grid.wide-left,
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .comments-reader-layout {
    grid-template-columns: 1fr;
  }

  .comment-detail-panel {
    position: static;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 760px) {
  .screen {
    padding: 16px 10px 24px;
  }

  .app-header {
    padding: 12px;
  }

  .panel-headline {
    flex-direction: column;
    align-items: flex-start;
  }

  .toolbar-grid,
  .toolbar-grid.toolbar-4,
  .toolbar-grid.toolbar-3,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .chip {
    min-height: 30px;
  }
}