body {
    margin: 0;
    font-family: "Roboto", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    /* Use standard surface color for main background */
    background-color: rgb(var(--mdui-color-surface));
    /* subtle radial gradient for depth without "dirtiness" */
    background-image: radial-gradient(circle at 50% 0%, rgba(var(--mdui-color-primary), 0.05) 0%, transparent 60%);
    background-attachment: fixed;
    color: rgb(var(--mdui-color-on-surface));
    min-height: 100vh;
    transition: background-color 0.5s cubic-bezier(0.2, 0, 0, 1);
    
    /* Material Typography Defaults */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    letter-spacing: 0.01em;
  }

  body::before,
  body::after {
    content: "";
    position: fixed;
    z-index: -1;
    border-radius: 999px;
    filter: blur(64px);
    opacity: 0.32;
    pointer-events: none;
  }

  body::before {
    width: 340px;
    height: 340px;
    top: -110px;
    left: -90px;
    background: radial-gradient(circle, rgba(var(--mdui-color-primary), 0.42) 0%, rgba(var(--mdui-color-primary), 0) 72%);
  }

  body::after {
    width: 300px;
    height: 300px;
    right: -80px;
    bottom: -110px;
    background: radial-gradient(circle, rgba(var(--mdui-color-tertiary), 0.34) 0%, rgba(var(--mdui-color-tertiary), 0) 72%);
  }

  mdui-layout.app-shell {
    min-height: 100vh;
    position: relative;
    isolation: isolate;
  }

  .app-bar {
    /* More transparent, glass-like app bar */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background-color: rgba(var(--mdui-color-surface), 0.85);
    border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.3);
  }

  .app-bar-spacer {
    flex-grow: 1;
  }

  .page-content {
    max-width: 1080px;
    margin: 80px auto 48px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    position: relative;
    z-index: 1;
  }

  .page-intro {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .page-title {
    font-size: var(--mdui-typescale-headline-large-size);
    line-height: var(--mdui-typescale-headline-large-line-height);
    font-weight: var(--mdui-typescale-headline-large-weight);
    color: rgb(var(--mdui-color-on-surface));
    margin: 0;
    letter-spacing: -0.5px;
    text-wrap: balance;
  }

  .page-subtitle {
    margin: 0;
    max-width: 700px;
    color: rgb(var(--mdui-color-on-surface-variant));
    font-size: var(--mdui-typescale-body-large-size);
    line-height: var(--mdui-typescale-body-large-line-height);
  }

  .page-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  /* Quick links row */
  .quick-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
  }

  .quick-links mdui-chip {
    transition: transform 0.25s var(--mdui-motion-easing-emphasized), box-shadow 0.25s var(--mdui-motion-easing-emphasized);
  }

  .quick-links mdui-chip:hover {
    transform: translateY(-2px);
    box-shadow: var(--mdui-elevation-level2);
  }

  .cards-grid {
    max-width: 1200px;
    margin: 0 auto;
  }

  /* Masonry layout styles (controlled by JS) */
  .masonry-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
  }

  .masonry-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0;
  }

  mdui-card.dashboard-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-height: 100px;
    padding: 24px;
    border-radius: var(--mdui-shape-corner-extra-large);
    /* MD3 Card Style: Surface Container + Outline or Standard Elevation */
    background-color: rgb(var(--mdui-color-surface-container));
    /* Add subtle border for definition in light mode */
    border: 1px solid rgba(var(--mdui-color-outline-variant), 0.5);
    box-shadow: var(--mdui-elevation-level1);
    backdrop-filter: saturate(1.05);
    transition: all 0.4s var(--mdui-motion-easing-emphasized);
    width: 100%;
    break-inside: avoid;
    margin-bottom: 16px;
    animation: card-enter 0.55s var(--mdui-motion-easing-emphasized-decelerate) both;
  }

  mdui-card.dashboard-card:nth-child(2n) {
    animation-delay: 0.05s;
  }

  mdui-card.dashboard-card:nth-child(3n) {
    animation-delay: 0.1s;
  }

  mdui-card.dashboard-card:hover {
    background-color: rgb(var(--mdui-color-surface-container-high));
    box-shadow: var(--mdui-elevation-level4);
    border-color: rgba(var(--mdui-color-primary), 0.2);
    transform: translateY(-2px);
  }

  /* Disable transform on interactive cards to reduce motion sickness/annoyance */
  mdui-card.dashboard-card.static-card:hover {
    transform: none;
  }

  /* Add touch interaction */
  mdui-card.dashboard-card:active {
    transform: scale(0.98);
    background-color: rgb(var(--mdui-color-surface-container-highest));
    transition-duration: 0.1s;
  }

  .card-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgb(var(--mdui-color-primary));
    font-weight: var(--mdui-typescale-title-medium-weight);
    letter-spacing: var(--mdui-typescale-title-medium-tracking);
    line-height: 1.2;
  }

  .card-heading span {
    color: rgb(var(--mdui-color-on-surface-variant));
  }

  .card-heading mdui-icon {
    color: inherit;
  }

  .dialog-loading {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 0;
  }

  .dialog-loading-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: rgb(var(--mdui-color-on-surface-variant));
  }

  .dialog-loading-text #hitokoto_text {
    margin: 0;
    font-size: var(--mdui-typescale-body-medium-size);
    line-height: var(--mdui-typescale-body-medium-line-height);
    color: rgb(var(--mdui-color-on-surface));
    text-decoration: none;
    cursor: pointer;
  }
  
  .dialog-loading-text #hitokoto_text:hover {
    text-decoration: underline;
  }

  .dialog-loading-text span {
    font-size: var(--mdui-typescale-body-small-size);
    line-height: var(--mdui-typescale-body-small-line-height);
  }

  .nav-text, .nav-textw {
    margin: 0;
    color: rgb(var(--mdui-color-on-surface-variant));
    font-size: var(--mdui-typescale-body-medium-size);
    line-height: var(--mdui-typescale-body-medium-line-height);
    font-weight: var(--mdui-typescale-body-medium-weight);
    letter-spacing: var(--mdui-typescale-body-medium-tracking);
  }

  #temperature {
    margin: 0;
    font-size: var(--mdui-typescale-display-small-size);
    line-height: var(--mdui-typescale-display-small-line-height);
    font-weight: var(--mdui-typescale-display-small-weight);
    color: rgb(var(--mdui-color-on-surface));
  }

  #weather {
    margin: 0;
    color: rgb(var(--mdui-color-on-surface-variant));
  }

  .button-stack {
    display: grid;
    gap: 12px;
  }

  mdui-card.dashboard-card > .nav-text {
    margin-top: -2px;
  }

  .project-list {
    display: grid;
    gap: 14px;
  }

  .project-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
    border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.42);
  }

  .project-item:first-child {
    border-top: none;
    padding-top: 0;
  }

  .project-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: var(--mdui-typescale-title-medium-size);
    line-height: var(--mdui-typescale-title-medium-line-height);
    font-weight: var(--mdui-typescale-title-medium-weight);
    color: rgb(var(--mdui-color-on-surface));
    letter-spacing: var(--mdui-typescale-title-medium-tracking);
  }

  .project-desc {
    margin: 0;
    color: rgb(var(--mdui-color-on-surface-variant));
    line-height: var(--mdui-typescale-body-medium-line-height);
    font-size: var(--mdui-typescale-body-medium-size);
  }

  .nav-action {
    justify-content: space-between;
    width: 100%;
    text-transform: none;
    align-items: center;
    margin-top: 2px;
  }

  .page-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.3);
  }

  .footer-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-text {
    margin: 0;
    font-size: var(--mdui-typescale-body-small-size);
    color: rgb(var(--mdui-color-on-surface-variant));
    text-align: center;
  }

  #info {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    padding: 4px;
    box-shadow: var(--mdui-elevation-level3);
    z-index: 2500;
    pointer-events: auto;
  }

  /* Resource grid styles */
  .resource-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* Tech Stack Grid */
  .tech-stack-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .resource-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    gap: 8px;
    text-decoration: none;
    border-radius: var(--mdui-shape-corner-medium);
    background-color: rgb(var(--mdui-color-surface-container));
    transition: background-color 0.2s ease;
  }

  .resource-item:hover {
    background-color: rgb(var(--mdui-color-surface-container-highest));
  }

  .resource-item:active {
    transform: scale(0.96);
    background-color: rgb(var(--mdui-color-secondary-container));
    transition-duration: 0.1s;
  }

  .resource-icon {
    font-size: 28px;
    color: rgb(var(--mdui-color-primary));
  }

  .resource-label {
    font-size: var(--mdui-typescale-label-medium-size);
    color: rgb(var(--mdui-color-on-surface));
    text-align: center;
  }

  .status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 0;
  }

  .status-card {
    justify-content: space-between;
    gap: 16px;
  }

  .status-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.35);
  }

  .status-meta {
    display: flex;
    flex-direction: column;
  }

  .status-meta-label {
    font-size: 12px;
    color: rgb(var(--mdui-color-on-surface-variant));
  }

  .status-meta-value {
    font-size: 14px;
    font-weight: 500;
  }

  .theme-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .theme-selector.theme-selector-inline {
    width: auto;
  }

  .status-box {
    padding: 12px;
    border-radius: var(--mdui-shape-corner-medium);
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .status-ok-bg {
    background-color: rgba(var(--mdui-color-primary), 0.08); /* surface-container-highest variant */
    color: rgb(var(--mdui-color-primary));
  }

  .status-warn-bg {
    background-color: rgba(var(--mdui-color-error), 0.12);
    color: rgb(var(--mdui-color-error));
    border: 1px solid rgba(var(--mdui-color-error), 0.2);
  }

  .status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .status-name {
    font-size: var(--mdui-typescale-label-medium-size);
    font-weight: 500;
  }

  .status-dot-icon {
    font-size: 18px;
  }

  .status-value {
    font-size: var(--mdui-typescale-body-medium-size);
    font-weight: 600;
  }

  /* Quote Card Styles */
  .quote-card {
    /* Revert to standard card background for consistency */
    background-color: rgb(var(--mdui-color-surface-container));
    color: rgb(var(--mdui-color-on-surface));
    display: flex;
    flex-direction: column;
  }
  
  .quote-content {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 2px 0 0;
    flex: 1;
    justify-content: space-between;
  }
  
  /* Removed giant bg icon style */

  .quote-text {
    margin: 0;
    font-size: var(--mdui-typescale-title-large-size);
    line-height: var(--mdui-typescale-title-large-line-height);
    font-weight: 450;
    color: rgb(var(--mdui-color-on-surface));
    /* Add quote decoration */
    padding-left: 16px;
    border-left: 4px solid rgb(var(--mdui-color-primary));
    text-wrap: pretty;
  }

  .quote-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0;
    padding-top: 12px;
    border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.35);
    gap: 12px;
  }

  .quote-source {
    margin: 0;
    font-size: var(--mdui-typescale-body-medium-size);
    color: rgb(var(--mdui-color-on-surface-variant));
    line-height: 1.4;
  }

  /* Compact actions */
  .quote-actions {
    display: flex;
    gap: 0; /* Button icons have their own padding */
    align-items: center;
  }

  /* Tool Card Styles */
  .tool-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .tool-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
  }
  
  .tool-actions mdui-chip {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .tool-actions mdui-chip:hover {
    transform: translateY(-1px);
    box-shadow: var(--mdui-elevation-level1);
  }

  .tool-output {
    margin-top: 12px;
    padding: 0 12px;
    background-color: rgb(var(--mdui-color-surface-container));
    border-radius: var(--mdui-shape-corner-medium);
    cursor: pointer;
    border: 1px solid rgba(var(--mdui-color-outline-variant), 0.5);
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    transform: translateY(4px);
    transition: background-color 0.2s, opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease, max-height 0.22s ease, padding 0.22s ease, margin-top 0.22s ease;
  }

  .tool-output.is-visible {
    margin-top: 12px;
    padding: 12px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    max-height: 240px;
  }

  .tool-output:hover {
    background-color: rgb(var(--mdui-color-surface-container-highest));
  }
  
  .output-label {
    font-size: var(--mdui-typescale-body-small-size);
    color: rgb(var(--mdui-color-on-surface-variant));
    display: block;
    margin-bottom: 6px;
  }
  
  .output-text {
    margin: 0;
    word-break: break-all;
    color: rgb(var(--mdui-color-on-surface));
    font-size: var(--mdui-typescale-body-medium-size);
    line-height: 1.55;
  }

  .font-mono {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  }

  /* Theme switch section */
  .theme-switch-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
  }

  .theme-label {
    font-size: var(--mdui-typescale-label-large-size);
    font-weight: var(--mdui-typescale-label-large-weight);
    color: rgb(var(--mdui-color-on-surface));
  }

  .theme-selector {
    width: 100%;
  }

  .about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 10px 0;
  }

  .about-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .about-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    box-shadow: var(--mdui-elevation-level1);
  }

  .about-title {
    font-size: var(--mdui-typescale-title-large-size);
    font-weight: 700;
  }

  .about-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .about-description {
    text-align: center;
    color: rgb(var(--mdui-color-on-surface));
    line-height: 1.6;
    max-width: 400px;
  }

  .about-lead {
    margin: 0 0 12px;
    font-weight: bold;
  }

  .about-paragraph {
    margin: 0;
    color: rgb(var(--mdui-color-on-surface-variant));
    font-size: var(--mdui-typescale-body-medium-size);
  }

  .about-paragraph-followup {
    margin-top: 12px;
  }

  .about-divider {
    width: 100%;
  }

  .about-footnote {
    text-align: center;
    color: rgb(var(--mdui-color-on-surface-variant));
    font-size: var(--mdui-typescale-body-small-size);
  }

  .about-footnote-line {
    margin: 0;
  }

  .about-footnote-line-followup {
    margin-top: 4px;
  }

  .color-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    padding: 12px 4px;
    justify-items: center;
  }

  .theme-selector mdui-segmented-button {
    flex: 1;
  }

  @keyframes card-enter {
    from {
      opacity: 0;
      transform: translateY(12px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    body::before,
    body::after {
      display: none;
    }

    mdui-card.dashboard-card {
      transition: none;
      animation: none;
    }

    mdui-card.dashboard-card:hover {
      transform: none;
    }
  }

  @media screen and (max-width:800px) {
    .page-content {
      margin: 80px 0 96px;
      padding: 0 16px 96px;
    }

    .page-subtitle {
      max-width: none;
      font-size: var(--mdui-typescale-body-medium-size);
    }

    .cards-grid {
      grid-template-columns: minmax(0, 1fr);
      gap: 20px;
    }

    #info {
      right: 16px;
      bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }

    .resource-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .theme-selector {
      flex-wrap: wrap;
    }

    .status-controls {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }
  }

  /* Page Loader */
  #page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: rgb(var(--mdui-color-surface));
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.4s cubic-bezier(0.4, 0.0, 0.2, 1), visibility 0.4s;
  }

  .page-loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .page-loader-caption {
    margin: 0;
    color: rgb(var(--mdui-color-on-surface-variant));
    font-size: var(--mdui-typescale-body-medium-size);
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateY(2px);
    animation: loader-caption-fade 0.35s ease-out 0.08s forwards;
  }

  @keyframes loader-caption-fade {
    from {
      opacity: 0;
      transform: translateY(2px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  #page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }