/* ==========================================================================
   Homepage — 视觉风格参考 mimo.xiaomi.com
   极致扁平、暖米白底色、衬线正文、粗体大字、大量留白
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* 颜色系统 */
  --bg-primary: #faf7f5;
  --nav-bg: rgba(250, 247, 245, 0.8);
  --text-primary: #000000;
  --text-body: #444444;
  --text-secondary: #213547;
  --text-muted: #999999;
  --watermark: rgba(0, 0, 0, 0.05);
  --divider: rgba(0, 0, 0, 0.1);
  --hover-bg: rgba(0, 0, 0, 0.02);

  /* 字体系统 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC",
    "STSong", Georgia, "Times New Roman", serif;
  --font-mono: "SF Mono", "Menlo", "Monaco", "Consolas",
    "Liberation Mono", "Courier New", monospace;

  /* 动效 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.2s var(--ease);
  --t-mid: 0.4s var(--ease);

  /* 布局 */
  --nav-h: 56px;
  --max-w: 1200px;
  --gutter: 24px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--nav-h);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-body);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--t-fast);
}

a:hover {
  opacity: 0.6;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

::selection {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.7;
}

h1 { font-size: 56px; font-weight: 700; letter-spacing: 1.12px; }
h2 { font-size: 40px; font-weight: 700; letter-spacing: 0.5px; }
h3 { font-size: 24px; font-weight: 600; line-height: 1.3; letter-spacing: 0.3px; }

p {
  font-family: var(--font-serif);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--t-fast);
}

.nav.is-scrolled { border-bottom-color: var(--divider); }

.nav__brand {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background-color: currentColor;
  transition: width var(--t-fast);
}

.nav__link:hover { opacity: 1; color: var(--text-primary); }
.nav__link:hover::after { width: 100%; }

/* Accent link for dashboard */
.nav__link--accent {
  color: var(--text-muted);
  font-size: 13px;
}
.nav__link--accent:hover { color: var(--text-primary); }

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--gutter);
  overflow: hidden;
  isolation: isolate;
}

.watermark-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-around;
  pointer-events: none;
  user-select: none;
  overflow: hidden;
  padding: 40px 0;
}

.watermark-row {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-around;
  align-items: center;
  white-space: nowrap;
}

.watermark-row span {
  font-family: var(--font-sans);
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 15.6px;
  color: var(--watermark);
  line-height: 1.4;
  flex-shrink: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  /* Entrance is handled in index.html (staggered heroIn); a fadeUp fill-mode
     animation here would keep owning transform and block the flip translate. */
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 32px;
  position: relative;
  padding: 0 24px;
}

.hero__eyebrow::before,
.hero__eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 16px; height: 1px;
  background: var(--text-muted);
}
.hero__eyebrow::before { left: 0; }
.hero__eyebrow::after { right: 0; }

.hero__title {
  margin-bottom: 24px;
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-primary) 60%, #333 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero__subtitle {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text-body);
  font-style: italic;
  letter-spacing: 0.5px;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 1;
}

.hero__scroll::after {
  content: "";
  width: 1px; height: 32px;
  background: var(--text-muted);
  animation: scrollHint 2s var(--ease) infinite;
  transform-origin: top;
}

@keyframes scrollHint {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Section Layout
   -------------------------------------------------------------------------- */
.section {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px var(--gutter);
}

.section__head {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  align-items: baseline;
  margin-bottom: 72px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--divider);
}

.section__num {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 4px;
  text-transform: uppercase;
  will-change: transform;
}

.section__title { font-size: 40px; }

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about__body {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  max-width: 880px;
}

.about__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  padding-top: 8px;
}

.about__text {
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-body);
}

.about__text + .about__text { margin-top: 24px; }

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.about__tag {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--text-secondary);
  border: 1px solid var(--divider);
  padding: 6px 14px;
  transition: color var(--t-fast), background-color var(--t-fast), border-color var(--t-fast);
}

.about__tag:hover {
  color: var(--bg-primary);
  background-color: var(--text-primary);
  border-color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Numbered List (Projects / Posts)
   -------------------------------------------------------------------------- */
.list {
  list-style: none;
  border-top: 1px solid var(--divider);
}

.list__item {
  border-bottom: 1px solid var(--divider);
  position: relative;
  overflow: hidden;
}

/* 黑底从左向右滑入 */
.list__item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #000000;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.list__item:hover::before,
.list__item:focus-within::before {
  transform: scaleX(1);
}

/* 内容层保持在黑底上方 */
.list__item a,
.list__row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) auto minmax(48px, auto);
  gap: 24px;
  align-items: center;
  padding: 28px 12px;
  position: relative;
  z-index: 1;
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.45s var(--ease);
}

.list__item a:focus-visible,
.list__row:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.list__item:hover .list__num,
.list__item:focus-within .list__num,
.list__item:hover .list__title,
.list__item:focus-within .list__title,
.list__item:hover .list__desc,
.list__item:focus-within .list__desc,
.list__item:hover .list__meta,
.list__item:focus-within .list__meta,
.list__item:hover .list__tag,
.list__item:focus-within .list__tag,
.list__item:hover .list__arrow,
.list__item:focus-within .list__arrow,
.list__item:hover .project-toggle,
.list__item:focus-within .project-toggle {
  color: #ffffff;
}

.list__item:hover .list__title,
.list__item:focus-within .list__title {
  letter-spacing: 0.04em;
}

.list__item:hover .list__num,
.list__item:focus-within .list__num {
  transform: translateX(4px);
}

.list__item:hover .list__arrow,
.list__item:focus-within .list__arrow {
  transform: translateX(10px);
}

.list__item:hover .project-toggle,
.list__item:focus-within .project-toggle {
  transform: translateX(6px);
}

.list__item:hover a,
.list__item:hover .list__row,
.list__item:focus-within a,
.list__item:focus-within .list__row {
  padding-left: 20px;
}

.list__item a:hover { opacity: 1; }

.list__num {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-variant-numeric: tabular-nums;
  transition: transform var(--t-mid), color var(--t-fast);
}

.list__body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.list__title {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: 0.3px;
  transition: letter-spacing var(--t-mid), color var(--t-fast);
}

.list__desc {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.list__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.list__tag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border: 1px solid var(--divider);
  padding: 2px 8px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.list__meta {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.list__arrow {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform var(--t-mid), color var(--t-fast);
  text-align: right;
}

.list__empty {
  padding: 64px 16px;
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 2px;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border-top: 1px solid var(--divider);
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 24px 32px 0;
  border-bottom: 1px solid var(--divider);
  border-right: 1px solid var(--divider);
  transition: background-color var(--t-fast);
}

.contact__item:last-child { border-right: none; }
.contact__item:hover { background-color: var(--hover-bg); }

.contact__label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.contact__value {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

.contact__value a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast);
}

.contact__value a:hover { opacity: 1; border-bottom-color: var(--text-primary); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: 80px;
  padding: 48px var(--gutter);
  border-top: 1px solid var(--divider);
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   Post Detail Page
   -------------------------------------------------------------------------- */
.post-detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px var(--gutter) 120px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 64px;
  transition: color var(--t-fast), gap var(--t-fast);
}

.back-link:hover { opacity: 1; color: var(--text-primary); gap: 14px; }

.post-detail__header {
  margin-bottom: 64px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--divider);
}

.post-detail__date {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-variant-numeric: tabular-nums;
}

.post-detail__title { font-size: 48px; line-height: 1.3; letter-spacing: 0.5px; margin-bottom: 16px; }

.post-detail__summary {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--text-body);
  line-height: 1.7;
}

/* Markdown content */
.post-content {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-body);
}

.post-content .post-muted {
  color: var(--text-muted);
  font-style: italic;
}

.post-content > * + * { margin-top: 1.4em; }

.post-content h1, .post-content h2, .post-content h3,
.post-content h4, .post-content h5, .post-content h6 {
  margin-top: 2em;
  margin-bottom: 0.6em;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.post-content h1 { font-size: 32px; }
.post-content h2 { font-size: 26px; padding-bottom: 8px; border-bottom: 1px solid var(--divider); }
.post-content h3 { font-size: 21px; }
.post-content h4 { font-size: 18px; }

.post-content p { font-size: 17px; line-height: 1.85; }

.post-content a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 0, 0, 0.45);
  transition: text-decoration-color var(--t-fast), opacity var(--t-fast);
}

.post-content a:hover {
  opacity: 1;
  text-decoration-color: var(--text-primary);
}
.post-content strong { color: var(--text-primary); font-weight: 700; }
.post-content em { font-style: italic; }

.post-content ul, .post-content ol { padding-left: 1.6em; }
.post-content li { margin-top: 0.4em; }
.post-content li::marker { color: var(--text-muted); }

.post-content blockquote {
  border-left: 3px solid var(--text-primary);
  padding: 4px 0 4px 24px;
  margin-left: 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 17px;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
  padding: 2px 6px;
  border-radius: 0;
}

.post-content pre {
  background-color: #1a1a1a;
  color: #e8e8e8;
  padding: 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}

.post-content pre code { background: transparent; color: inherit; padding: 0; font-size: inherit; }
.post-content img {
  width: 100%;
  height: auto;
  margin: 1.6em 0;
  cursor: zoom-in;
}
.post-content hr { border: none; border-top: 1px solid var(--divider); margin: 3em 0; }

/* Image lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(18, 14, 12, 0.9);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid), visibility var(--t-mid);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(1100px, 100%);
  max-height: min(88vh, 100%);
  width: auto;
  height: auto;
  margin: 0;
  cursor: zoom-out;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 12px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--t-fast), opacity var(--t-fast);
}

.lightbox__close:hover {
  border-color: #fff;
  opacity: 1;
}

body.lightbox-open {
  overflow: hidden;
}

.post-content table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 15px; }

.post-content th, .post-content td {
  text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--divider);
}

.post-content th {
  font-weight: 600; color: var(--text-primary);
  background-color: rgba(0, 0, 0, 0.02);
  text-transform: uppercase; letter-spacing: 1px; font-size: 13px;
}

/* --------------------------------------------------------------------------
   Loading State
   -------------------------------------------------------------------------- */
.is-loading { position: relative; color: transparent !important; }

.is-loading::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.04), transparent);
  animation: shimmer 1.4s var(--ease) infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .section { padding: 96px var(--gutter); }
  .section__head, .about__body { grid-template-columns: 80px 1fr; gap: 32px; }
  .list__item a, .list__row { grid-template-columns: 80px minmax(0, 1fr) auto minmax(48px, auto); gap: 24px; padding: 28px 12px; }
}

@media (max-width: 768px) {
  :root { --gutter: 20px; }
  h1 { font-size: 32px; letter-spacing: 0.5px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }

  .nav { padding: 0 16px; }
  .nav__menu { gap: 18px; }
  .nav__link { font-size: 13px; }

  .hero { min-height: 90vh; }
  .hero__title { font-size: 36px; }
  .hero__subtitle { font-size: 16px; }
  .watermark-row span { font-size: 32px; letter-spacing: 9px; }

  .section { padding: 72px var(--gutter); }
  .section__head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 48px; }
  .section__title { font-size: 28px; }
  .about__body { grid-template-columns: 1fr; gap: 16px; }
  .about__text { font-size: 16px; }

  .list__item a, .list__row {
    grid-template-columns: auto 1fr;
    grid-template-areas: "num arrow" "body body" "meta meta";
    gap: 12px 16px; padding: 24px 8px;
  }
  .list__num { grid-area: num; font-size: 22px; }
  .list__body { grid-area: body; }
  .list__meta { grid-area: meta; font-size: 12px; }
  .list__arrow,
  .project-toggle { grid-area: arrow; font-size: 20px; }
  .list__title { font-size: 18px; }
  .list__desc { font-size: 14px; }

  .contact__grid { grid-template-columns: 1fr; }
  .contact__item { border-right: none; }

  .post-detail { padding: 56px var(--gutter) 80px; }
  .post-detail__title { font-size: 32px; }
  .post-content { font-size: 16px; }
  .post-content h1 { font-size: 26px; }
  .post-content h2 { font-size: 22px; }
  .post-content h3 { font-size: 19px; }

  .footer__inner { flex-direction: column; text-align: center; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Dashboard — 沿用主页美学：扁平、无阴影、暖色调
   ========================================================================== */

/* Metric grid */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--divider);
}

.dash-card {
  padding: 32px 24px;
  border-bottom: 1px solid var(--divider);
  border-right: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dash-card:last-child { border-right: none; }

.dash-card__label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.dash-card__value {
  font-family: var(--font-sans);
  font-size: 40px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.dash-card__sub {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
}

/* Service buttons */
.dash-btn {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--divider);
  cursor: pointer;
  transition: all var(--t-fast);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.dash-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.dash-btn--primary {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

/* Process table */
.dash-table {
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 14px;
  border-top: 1px solid var(--divider);
}

.dash-table th {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--divider);
}

.dash-table td {
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--divider);
  color: var(--text-body);
}

.dash-table tbody tr:hover td {
  background-color: var(--hover-bg);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Responsive dashboard */
@media (max-width: 768px) {
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-card { padding: 24px 16px; }
  .dash-card__value { font-size: 28px; }
  .dash-card__sub { font-size: 12px; }
}

/* ==========================================================================
   Personal Hub — services first, compact system context
   ========================================================================== */
.hub-page {
  min-height: 100vh;
  background:
    linear-gradient(rgba(0, 0, 0, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.024) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px;
}

.hub-private-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--divider);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hub-shell {
  width: min(1180px, calc(100% - (var(--gutter) * 2)));
  margin: 0 auto;
  padding: 140px 0 80px;
}

.hub-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--divider);
}

.hub-eyebrow {
  display: block;
  margin-bottom: 20px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hub-title {
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: -2px;
}

.hub-lead {
  max-width: 620px;
  margin-top: 24px;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-body);
}

.hub-clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-bottom: 8px;
  font-family: var(--font-sans);
  color: var(--text-muted);
}

.hub-clock span:first-child {
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -1px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.hub-clock span:last-child {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 2px;
}

.hub-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  margin-top: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--divider);
}

.hub-summary__intro {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
}

.hub-summary__intro div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hub-summary__intro strong { font-size: 15px; }
.hub-summary__intro span:last-child { font-size: 12px; color: var(--text-muted); }

.hub-live-dot {
  width: 9px;
  height: 9px;
  border: 1px solid var(--text-muted);
  border-radius: 50%;
}

.hub-live-dot.is-online {
  border-color: #4e7b5b;
  background: #4e7b5b;
  box-shadow: 0 0 0 5px rgba(78, 123, 91, 0.1);
}

.hub-summary__metrics {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 36px;
  margin: 0;
}

.hub-summary__metrics div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.hub-summary__metrics dt {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hub-summary__metrics dd {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.hub-services { padding-top: 88px; }

.hub-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 40px;
}

.hub-section-head h2 {
  margin: 10px 0 0;
  font-size: 38px;
}

.hub-updated {
  padding-bottom: 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.hub-empty {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  border: 1px solid var(--divider);
  background: rgba(250, 247, 245, 0.72);
  text-align: center;
}

.hub-empty__mark {
  margin-bottom: 24px;
  font-family: var(--font-sans);
  font-size: 42px;
  font-weight: 300;
  color: var(--text-muted);
}

.hub-empty strong {
  font-family: var(--font-sans);
  font-size: 20px;
}

.hub-empty p {
  max-width: 440px;
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.hub-empty--error { border-color: rgba(139, 70, 57, 0.35); }

.service-group + .service-group { margin-top: 56px; }

.service-group__title {
  margin-bottom: 16px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--divider);
  border-left: 1px solid var(--divider);
}

.service-card {
  position: relative;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-right: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: rgba(250, 247, 245, 0.68);
  transition: background-color var(--t-fast);
}

.service-card:hover { background: var(--hover-bg); opacity: 1; }

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.service-card__status,
.service-card__access,
.service-card__host {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.service-card__status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  vertical-align: 1px;
}

.service-card__status--online::before { background: #4e7b5b; }
.service-card__status--offline::before { background: #9b5a4f; }

.service-card__body h3 {
  margin: 10px 0 8px;
  font-size: 26px;
}

.service-card__body p {
  min-height: 42px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}

.service-card__arrow {
  position: absolute;
  right: 24px;
  bottom: 22px;
  font-family: var(--font-sans);
  font-size: 22px;
  color: var(--text-muted);
}

.hub-note {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--divider);
}

.hub-note span {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hub-note p {
  max-width: 680px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

@media (max-width: 900px) {
  .hub-header { grid-template-columns: 1fr; }
  .hub-clock { align-items: flex-start; }
  .hub-summary { grid-template-columns: 1fr; }
  .hub-summary__metrics { justify-content: start; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .hub-shell {
    width: min(100% - 32px, 1180px);
    padding-top: 112px;
  }
  .hub-header { gap: 28px; padding-bottom: 32px; }
  .hub-title { font-size: 42px; letter-spacing: -1px; }
  .hub-lead { font-size: 15px; }
  .hub-clock span:first-child { font-size: 32px; }
  .hub-summary__metrics { width: 100%; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .hub-summary__metrics div { flex-direction: column; gap: 4px; }
  .hub-summary__metrics dd { font-size: 18px; }
  .hub-services { padding-top: 64px; }
  .hub-section-head { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hub-section-head h2 { font-size: 30px; }
  .service-grid { grid-template-columns: 1fr; }
  .hub-note { grid-template-columns: 1fr; gap: 12px; }
}

.sms-button { padding: 12px 22px; border: 1px solid var(--divider); background: transparent; color: var(--text-primary); font: 500 14px var(--font-sans); cursor: pointer; align-self: center; }
.sms-button:hover { border-color: var(--text-primary); }
.sms-button:disabled { opacity: .5; cursor: wait; }
.sms-button[hidden] { display: none; }
.sms-status { margin: 24px 0; color: var(--text-muted); font-size: 14px; }
.sms-message { padding: 28px 0; border-top: 1px solid var(--divider); }
.sms-message__heading { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sms-message__heading h2 { font: 600 18px var(--font-sans); overflow-wrap: anywhere; }
.sms-message__heading time { font-size: 13px; color: var(--text-muted); }
.sms-message__body { margin-top: 16px; white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--font-serif); line-height: 1.8; }

/* Hero content and project details — reuse the existing palette and type. */
.hero { min-height: calc(100svh - var(--nav-h)); padding: 88px var(--gutter) 32px; gap: 80px; }
.hero__content { margin: auto 0; }
.hero__intro { margin-top: 24px; font-size: 15px; }
.hero__index { display: grid; grid-template-columns: repeat(3, 1fr); width: min(100%, 1000px); border-top: 1px solid var(--divider); }
.hero__index a { display: flex; flex-direction: column; gap: 7px; padding: 22px 24px 0; }
.hero__index a + a { border-left: 1px solid var(--divider); }
.hero__index span { font: 10px var(--font-mono); letter-spacing: 2px; color: var(--text-muted); }
.hero__index strong { font: 500 16px var(--font-sans); color: var(--text-primary); }
.hero__index small { font-size: 12px; }
.project-item summary { cursor: pointer; list-style: none; }
.project-item summary::-webkit-details-marker { display: none; }
.project-toggle { font: 12px var(--font-sans); white-space: nowrap; transition: transform var(--t-mid), color var(--t-fast); }
.project-details { position: relative; z-index: 1; padding: 0 24px 30px; max-width: 900px; }
.project-details p + p { margin-top: 16px; }
.project-item:hover .project-toggle,
.project-item:hover .project-details p { color: #ffffff; }
.project-item summary:hover .project-toggle { text-decoration: underline; }
.project-item details[open] .project-toggle { font-weight: 700; }
@media (max-width: 600px) {
  .hero { padding-top: 64px; gap: 48px; }
  .hero__intro { max-width: 300px; margin-left: auto; margin-right: auto; }
  .hero__index { grid-template-columns: 1fr; }
  .hero__index a { padding: 14px 0; gap: 5px; }
  .hero__index a + a { border-left: 0; border-top: 1px solid var(--divider); }
  .hero__index small { display: none; }
  .project-toggle { grid-area: arrow; }
  .project-details { padding: 0 8px 24px; }
}