@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&display=swap');

/* ── Design Tokens ── */
:root {
  color-scheme: light;
  --font-ui: "Source Serif 4", "Songti SC", "Noto Serif SC", ui-serif, "Iowan Old Style", Georgia, serif;
  --font-editorial: "Source Serif 4", "Songti SC", "Noto Serif SC", ui-serif, "Iowan Old Style", Georgia, serif;
  --font-code: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --color-bg: oklch(0.992 0.002 205);
  --color-canvas: oklch(1 0 0);
  --color-surface: oklch(0.972 0.004 205);
  --color-surface-strong: oklch(0.935 0.007 205);
  --color-ink: oklch(0.145 0.025 235);
  --color-ink-soft: oklch(0.32 0.025 235);
  --color-muted: oklch(0.42 0.022 235);
  --color-border: oklch(0.86 0.012 225);
  --color-border-strong: oklch(0.72 0.026 220);
  --color-primary: oklch(0.335 0.075 195);
  --color-primary-hover: oklch(0.27 0.075 195);
  --color-primary-soft: oklch(0.94 0.028 195);
  --color-accent: oklch(0.58 0.18 31);
  --color-accent-soft: oklch(0.965 0.032 31);
  --color-success: oklch(0.43 0.13 157);
  --color-success-soft: oklch(0.955 0.032 157);
  --color-danger: oklch(0.48 0.18 25);
  --color-danger-soft: oklch(0.955 0.026 25);
  --color-code-bg: oklch(0.18 0.023 235);
  --color-code-ink: oklch(0.965 0.004 235);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --box-height: 2.75rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-ink);
  font-kerning: normal;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--box-height) + var(--space-5));
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-ui);
  text-rendering: optimizeLegibility;
}

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

button,
a {
  color: inherit;
}

a {
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

/* ── Skip Link ── */
.skip-link {
  position: fixed;
  inset: var(--space-3) auto auto var(--space-3);
  z-index: 10;
  transform: translateY(-140%);
  border: 1px solid var(--color-primary);
  background: var(--color-canvas);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
  transition: transform 160ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Shared Site Shell ── */
.site-shell {
  min-height: 100vh;
  background: var(--color-bg);
}

.site-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  height: var(--box-height);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  padding: 0 var(--space-5);
}

.site-brand {
  color: var(--color-primary);
  font-family: var(--font-editorial);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ink-soft);
  font-family: var(--font-editorial);
  font-size: 0.95rem;
}

.site-nav a {
  height: var(--box-height);
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-3);
  text-decoration: none;
  color: var(--color-ink-soft);
  transition: color 160ms var(--ease-out);
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--color-ink);
}

/* ── Public Layout ── */
.home-main,
.journal-main,
.article-main {
  width: min(100% - clamp(2rem, 6vw, 5rem), 74rem);
  margin: 0 auto;
}

.home-hero {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: clamp(var(--space-8), 12vw, 9rem) 0 clamp(var(--space-7), 8vw, 6rem);
}

.journal-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
  gap: clamp(var(--space-6), 8vw, 7rem);
  padding: clamp(var(--space-8), 12vw, 9rem) 0 clamp(var(--space-7), 8vw, 6rem);
}

/* ── Homepage Divider & Link ── */
.home-divider {
  width: min(20rem, 60vw);
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

.home-link {
  color: var(--color-muted);
  font-family: var(--font-editorial);
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 160ms var(--ease-out);
}

.home-link:hover {
  color: var(--color-primary);
}

.home-title,
.journal-title,
.article-title {
  margin: 0;
  color: var(--color-primary);
  font-family: var(--font-editorial);
  font-size: clamp(4rem, 10vw, 7.8rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.9;
  white-space: nowrap;
}

.article-title {
  max-width: 16ch;
  font-size: clamp(3.1rem, 8vw, 6.2rem);
}

.article-excerpt {
  max-width: 46rem;
  margin: var(--space-5) 0 0;
  color: var(--color-ink-soft);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  text-wrap: pretty;
}

.home-actions,
.journal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.home-actions {
  justify-content: center;
}

/* ── Unified Buttons ── */
.button,
.btn-primary,
.btn-secondary,
.btn-danger,
button {
  height: var(--box-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid var(--color-border-strong);
  background: var(--color-canvas);
  color: var(--color-ink);
  padding: 0 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 160ms var(--ease-out), border-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.button:hover,
.btn-secondary:hover,
button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.button.primary,
.btn-primary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

.button.primary:hover,
.btn-primary:hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
  color: white;
}

.btn-danger {
  border-color: color-mix(in oklch, var(--color-danger), white 45%);
  background: var(--color-canvas);
  color: var(--color-danger);
}

.btn-danger:hover {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

/* ── Text-only buttons (no border, no background) ── */
.btn-text {
  height: var(--box-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 0;
  background: transparent;
  color: var(--color-ink-soft);
  padding: 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color 160ms var(--ease-out);
}

.btn-text:hover {
  color: var(--color-ink);
}

.btn-text-danger {
  color: var(--color-danger);
}

.btn-text-danger:hover {
  color: color-mix(in oklch, var(--color-danger), black 20%);
}

button:disabled,
.button[aria-disabled="true"],
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled,
.btn-text:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

/* ── Unified Inputs ── */
input,
select,
textarea {
  width: 100%;
  height: var(--box-height);
  border: 1px solid var(--color-border-strong);
  background: var(--color-canvas);
  color: var(--color-ink);
  padding: 0 0.75rem;
  font: inherit;
  font-size: 0.875rem;
  transition: border-color 120ms var(--ease-out);
}

textarea {
  height: auto;
  min-height: 8rem;
  padding: 0.6rem 0.75rem;
  resize: vertical;
  line-height: 1.55;
}

select {
  cursor: pointer;
}

input::placeholder,
textarea::placeholder {
  color: oklch(0.55 0.02 235);
  opacity: 1;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-primary);
}

/* ── Blog Search ── */
.blog-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  padding-left: calc(3rem + clamp(var(--space-4), 3vw, var(--space-6)));
}

.blog-search input[type="search"] {
  flex: 1;
  min-width: 12rem;
  max-width: 24rem;
}

.blog-search input[type="date"] {
  width: auto;
  min-width: 8.5rem;
}

.blog-search .button,
.blog-search .btn-primary {
  flex-shrink: 0;
}

/* ── Journal (Blog Listing) ── */
.journal-frame {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: clamp(var(--space-4), 3vw, var(--space-6));
  padding-bottom: clamp(var(--space-8), 10vw, 8rem);
}

.margin-rail,
.reading-rail {
  position: relative;
}

.margin-rail::before,
.reading-rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--color-border);
}

.rail-mark {
  position: sticky;
  top: 7rem;
  width: 0.6rem;
  height: 0.6rem;
  margin: 0.15rem auto 0;
  border: 1px solid var(--color-primary);
  background: var(--color-bg);
}

.journal-list {
  display: grid;
  gap: 0;
}

.journal-entry {
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr) auto;
  gap: clamp(var(--space-4), 4vw, var(--space-7));
  align-items: start;
  border-top: 1px solid var(--color-border);
  padding: clamp(var(--space-5), 5vw, var(--space-7)) 0;
}

.journal-entry:last-child {
  border-bottom: 1px solid var(--color-border);
}

.entry-meta,
.article-meta,
.toc-label {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.entry-meta time,
.article-meta time {
  display: block;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
}

.entry-cover {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-ink);
  background: var(--color-surface);
  overflow: hidden;
}

.entry-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.entry-kicker {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-primary);
  font-size: 0.78rem;
}

.journal-entry h2 {
  max-width: 24ch;
  margin: 0;
  color: var(--color-primary);
  font-family: var(--font-editorial);
  font-size: clamp(1.65rem, 3.2vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.journal-entry h2 a {
  text-decoration: none;
}

.journal-entry h2 a:hover {
  text-decoration: underline;
}

.journal-entry p {
  max-width: 58ch;
  margin: var(--space-3) 0 0;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.entry-arrow {
  width: var(--box-height);
  height: var(--box-height);
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  text-decoration: none;
}

.entry-arrow:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.empty-public {
  border-top: 1px solid var(--color-border);
  padding: var(--space-7) 0;
  color: var(--color-muted);
}

/* ── Article Detail ── */
.article-layout {
  display: grid;
  grid-template-columns: minmax(10rem, 15rem) minmax(0, 48rem);
  gap: clamp(var(--space-5), 6vw, var(--space-8));
  padding: clamp(var(--space-6), 7vw, var(--space-8)) 0 clamp(var(--space-8), 10vw, 8rem);
}

.article-aside {
  position: sticky;
  top: var(--space-6);
  align-self: start;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--space-4);
  color: var(--color-muted);
}

.toc-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
  line-height: 1.35;
}

.toc-list a {
  color: var(--color-muted);
  text-decoration: none;
}

.toc-list a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.article-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-6);
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.author-mark {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  background: var(--color-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 800;
}

.cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--color-border);
  margin: var(--space-6) 0;
  background: var(--color-surface);
}

.content {
  color: var(--color-ink);
  font-size: 1.0625rem;
  line-height: 1.78;
}

.content > * {
  max-width: 68ch;
}

.content h1,
.content h2,
.content h3 {
  color: var(--color-primary);
  font-family: var(--font-editorial);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}

.content h1 {
  margin: 2.4em 0 0.5em;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.content h2 {
  margin: 2.4em 0 0.5em;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.content h3 {
  margin: 2em 0 0.45em;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.content p,
.content ul,
.content ol {
  margin: 1em 0;
}

.content a {
  color: var(--color-primary);
}

.content blockquote {
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-5);
  color: var(--color-ink-soft);
}

.content pre {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--color-border);
  background: var(--color-code-bg);
  color: var(--color-code-ink);
  padding: var(--space-5);
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.6;
}

.content code {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.08rem 0.28rem;
  font-family: var(--font-code);
  font-size: 0.9em;
}

.content pre code {
  border: 0;
  background: transparent;
  padding: 0;
  color: inherit;
}

.content img {
  /* no rounding */;
}

.article-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.post-nav-link {
  max-width: 48%;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 160ms var(--ease-out);
}

.post-nav-link:hover {
  color: var(--color-primary);
}

.post-nav-link.is-disabled {
  color: var(--color-muted);
  cursor: default;
  pointer-events: none;
}

/* ── CMS App Shell (shared header with blog) ── */
.app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--color-canvas);
}

.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  height: var(--box-height);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  padding: 0 var(--space-5);
}

.topbar-brand {
  color: var(--color-primary);
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.topbar-user {
  color: var(--color-ink-soft);
  font-size: 0.8125rem;
}

.topbar-link {
  height: var(--box-height);
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-3);
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color 160ms var(--ease-out);
}

.topbar-link:hover,
.topbar-link.active {
  color: var(--color-ink);
}

/* ── CMS Auth Panel (minimal, no card) ── */
.auth-panel {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100%;
  padding: var(--space-6) var(--space-4);
}

.auth-form {
  width: min(100%, 20rem);
  display: grid;
  gap: var(--space-3);
}

.auth-form input {
  height: var(--box-height);
}

.auth-form .btn-primary {
  margin-top: var(--space-1);
}

/* ── CMS Workspace Layout ── */
.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(16rem, 20rem) minmax(0, 1fr);
}

/* ── CMS Sidebar ── */
.sidebar {
  overflow: auto;
  display: grid;
  grid-template-rows: auto 1fr;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
}

.sidebar-tools {
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-tools input {
  min-width: 0;
}

.sidebar-tools select {
  width: auto;
  min-width: 5.5rem;
}

.post-list {
  display: grid;
  align-content: start;
  background: var(--color-border);
  overflow: auto;
}

.post-row {
  width: 100%;
  height: auto;
  min-height: var(--box-height);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: center;
  justify-items: start;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background-color 120ms var(--ease-out);
}

.post-row:hover {
  background: var(--color-surface);
}

.post-row.active {
  background: var(--color-primary-soft);
}

.post-row-cover {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
}

.post-row-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-row-body {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.post-row-title {
  color: var(--color-ink);
  font-weight: 650;
  font-size: 0.92rem;
  line-height: 1.35;
}

.post-row-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: 0.75rem;
}

.post-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.post-status::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-muted);
}

.post-status.published {
  color: var(--color-success);
}

.post-status.published::before {
  background: var(--color-success);
}

/* ── CMS Editor ── */
.editor {
  overflow: auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.editor-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  padding: var(--space-3) var(--space-5);
}

.editor-head h1 {
  margin: 0;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.editor-state-badge {
  margin: 0 0 2px;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.editor-body {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  padding: var(--space-5);
  overflow: auto;
}

.editor-body label {
  display: grid;
  gap: var(--space-1);
  color: var(--color-ink-soft);
  font-size: 0.8125rem;
  font-weight: 650;
}

/* ── File Input ── */
input[type="file"] {
  display: flex;
  align-items: center;
  padding: 0.15rem 0.5rem 0 0.5rem;
  line-height: 1;
}

input[type="file"]::file-selector-button {
  height: calc(var(--box-height) - 0.5rem);
  margin-right: 0.5rem;
  border: 1px solid var(--color-border-strong);
  background: var(--color-canvas);
  color: var(--color-ink-soft);
  padding: 0 0.75rem;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 120ms var(--ease-out), color 120ms var(--ease-out);
}

input[type="file"]::file-selector-button:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ── Field Layouts ── */
.field-row {
  display: grid;
  gap: var(--space-4);
}

.field-row-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.media-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.media-row label {
  flex: 1;
  min-width: 10rem;
}

.file-field {
  min-width: 12rem;
  flex: 0 0 auto;
}

.content-field textarea {
  min-height: 22rem;
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ── Messages ── */
.message {
  padding: var(--space-2) var(--space-5) var(--space-3);
  color: var(--color-success);
  font-size: 0.85rem;
  font-weight: 600;
}

.message.error {
  color: var(--color-danger);
}

/* ── Empty States ── */
.empty-state {
  color: var(--color-muted);
  padding: var(--space-5) var(--space-4);
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ── CMS Nav Tabs ── */
.cms-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
}

.cms-nav-tab {
  height: var(--box-height);
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-5);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: color 120ms var(--ease-out), border-color 120ms var(--ease-out);
}

.cms-nav-tab:hover {
  color: var(--color-ink-soft);
}

.cms-nav-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ── Media Management ── */
.media-page {
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
}

.media-page .media-toolbar {
  border-bottom: 1px solid var(--color-border);
}

.media-panel {
  overflow: auto;
  display: grid;
  grid-template-rows: auto 1fr;
}

.media-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  height: var(--box-height);
}

.media-toolbar-title {
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 700;
}

.media-toolbar-count {
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
  padding: var(--space-5);
  align-content: start;
  overflow: auto;
}

.media-card {
  border: 1px solid var(--color-border);
  background: var(--color-canvas);
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.media-card-preview {
  aspect-ratio: 16 / 10;
  background: var(--color-surface);
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.media-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-card-preview .media-icon {
  color: var(--color-muted);
  font-size: 2rem;
}

.media-card-body {
  padding: var(--space-3);
  display: grid;
  gap: var(--space-1);
}

.media-card-filename {
  color: var(--color-ink);
  font-size: 0.8125rem;
  font-weight: 650;
  word-break: break-all;
  line-height: 1.3;
}

.media-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: 0.72rem;
}

.media-card-refs {
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}

.media-card-refs summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-muted);
}

.media-card-refs ul {
  margin: var(--space-1) 0 0;
  padding: 0 0 0 var(--space-4);
  display: grid;
  gap: 2px;
}

.media-card-refs li {
  color: var(--color-primary);
}

.media-card-actions {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.media-card-actions .btn-danger {
  height: auto;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

.media-detail {
  display: grid;
  overflow: auto;
  grid-template-rows: auto 1fr;
}

.media-detail-back {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--box-height);
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
  color: var(--color-muted);
  font-size: 0.8125rem;
  text-decoration: none;
  cursor: pointer;
}

.media-detail-back:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

.media-detail-body {
  padding: var(--space-5);
  overflow: auto;
  display: grid;
  gap: var(--space-4);
}

.media-detail-preview {
  max-width: 100%;
  max-height: 18rem;
  border: 1px solid var(--color-border);
  object-fit: contain;
  background: var(--color-surface);
}

.media-detail-info {
  display: grid;
  gap: var(--space-2);
  font-size: 0.875rem;
}

.media-detail-info dt {
  color: var(--color-muted);
  font-weight: 650;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.media-detail-info dd {
  margin: 0;
  color: var(--color-ink);
}

.media-detail-refs {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.media-detail-refs h3 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
  font-size: 0.95rem;
}

.media-detail-refs ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-1);
}

.media-detail-refs li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.media-detail-refs .post-ref-status {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Inline Delete Warning ── */
.delete-warning {
  border: 1px solid var(--color-danger);
  background: var(--color-danger-soft);
  padding: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-danger);
  line-height: 1.55;
}

.delete-warning p {
  margin: 0 0 var(--space-3);
}

.delete-warning ul {
  margin: 0 0 var(--space-3);
  padding: 0 0 0 var(--space-4);
}

/* ── Responsive ── */
@media (max-width: 980px) {
  .home-hero,
  .journal-hero,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: relative;
    top: auto;
  }

  .workspace,
  .field-row-2,
  .field-row-3 {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 42vh;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
}

@media (max-width: 700px) {
  .site-shell {
    background: var(--color-bg);
  }

  .site-header,
  .topbar,
  .editor-head,
  .media-row,
  .editor-actions {
    align-items: stretch;
    flex-direction: column;
    height: auto;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-nav,
  .topbar-right {
    flex-wrap: wrap;
  }

  .journal-frame {
    grid-template-columns: 1rem minmax(0, 1fr);
    gap: var(--space-4);
  }

  .journal-entry {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .entry-arrow {
    justify-self: start;
  }

  .post-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .post-nav-link {
    max-width: 100%;
  }

  .sidebar-tools {
    grid-template-columns: 1fr;
  }

  .home-title,
  .journal-title {
    font-size: clamp(3rem, 17vw, 4.25rem);
  }

  .article-title {
    font-size: clamp(2.75rem, 14vw, 3.85rem);
  }

  .media-grid {
    grid-template-columns: 1fr;
  }

  .cms-nav {
    overflow-x: auto;
  }
}

@media (pointer: coarse) {
  .button,
  button,
  .btn-primary,
  .btn-secondary,
  .btn-danger,
  .btn-text,
  input,
  select {
    min-height: 46px;
  }
}

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