/* ================================
   Fonts
   ================================ */
/* @import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono&display=swap"); */

@font-face {
  font-family: 'Luciole';
  src: url('../Luciole_webfonts/Luciole-Bold/Luciole-Bold.woff2') format('woff2'),
       url('../Luciole_webfonts/Luciole-Bold/Luciole-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Luciole';
  src: url('../Luciole_webfonts/Luciole-Italic/Luciole-Italic.woff2') format('woff2'),
       url('../Luciole_webfonts/Luciole-Italic/Luciole-Italic.woff') format('woff');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Luciole';
  src: url('../Luciole_webfonts/Luciole-BoldItalic/Luciole-BoldItalic.woff2') format('woff2'),
       url('../Luciole_webfonts/Luciole-BoldItalic/Luciole-BoldItalic.woff') format('woff');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Luciole';
  src: url('../Luciole_webfonts/Luciole-Regular/Luciole-Regular.woff2') format('woff2'),
       url('../Luciole_webfonts/Luciole-Regular/Luciole-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ================================
   Theme / Design Tokens
   ================================ */

/* Already imported */

/* ================================
   Base / Reset
   ================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-y: scroll;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  line-height: var(--line-height-base);
  background-color: var(--bg-main);
  color: var(--text-main);
  font-synthesis: none;
}

/* ================================
   Typography
   ================================ */

h1 { font-size: 2.2em; margin: 1em 0 0.5em; }
h2 { font-size: 1.3em; margin: 1em 0 0.5em; }
h3 { font-size: 1.1em; margin: 1em 0 0.5em; }
h4 { font-size: 0.95em; margin: 1em 0 0.5em; }

p {
  margin: 0.5em 0 1em;
}

a {
  color: var(--text-strong);
  text-decoration: none;
}

a:hover {
  background-color: var(--bg-hover);
}


/* ================================
   Top bar layout
   ================================ */

:root {
  --page-max-width: 72rem; /* ≈ 1152px desktop */
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;

  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-soft);
}

/*.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;

  width: 100%;
  padding: 1.4em 1.5em;
}*/

.topbar-inner {
  max-width: 70em;
  margin: 0 auto;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 1.4em 1.5em;
}

@media (max-width: 600px) {
  .topbar-inner {
    padding-left: 0.75rem;
    padding-right: 2rem;
  }
}

/* ================================
   Navigation links
   ================================ */

.topbar nav {
  display: flex;
  align-items: center;
  gap: 2.5em;              /* more space between links */
  font-size: 1.05em;      /* make links bigger */
}

/* Individual links */
.topbar a {
  position: relative;

  display: flex;                 /* 🔑 makes it a box */
  align-items: center;

  padding: 0.4em 1em;            /* vertical + horizontal */
  border-radius: 6px;

  line-height: 1.2;
  text-decoration: none;
  color: var(--text-strong);

  transition: background-color 0.15s ease;
}

.topbar nav a:hover {
  background-color: var(--bg-hover);
}

/* Separator */
.topbar nav a:not(:last-child)::after {
  content: "|";
  position: absolute;
  right: -1.25em;
  top: 50%;
  transform: translateY(-50%);

  color: var(--border-soft);
  opacity: 0.7;
}

/* ================================
   Layout
   ================================ */

.container,
section,
.hero {
  margin: 3em auto;
  padding: 0;
}

.container {
  width: 100%;
}

section {
  margin: 3em auto;
}

/* ================================
   Buttons
   ================================ */

.btn {
  display: inline-block;
  padding: 0.6em 1.2em;
  border: 1px solid var(--text-main);
  border-radius: 6px;
  color: var(--text-main);
  cursor: pointer;
}

.btn.primary {
  background-color: var(--text-main);
  color: var(--bg-main);
}

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

.btn:hover {
  background-color: var(--bg-hover);
}

/* ================================
   Standalone pre (not code blocks)
   ================================ */

pre:not(.code-block pre) {
  margin: 1.2em 0;
  padding: 1em 1.2em;

  background: var(--bg-soft);
  color: var(--text-main);

  border-left: 4px solid var(--accent);
  border-radius: 6px;

  font-family:
    "JetBrains Mono",
    "Fira Code",
    "Source Code Pro",
    monospace;

  font-size: 0.9em;
  line-height: 1.6;

  overflow-x: auto;
}

/* ================================
   Prism syntax tokens (themed via :root)
   ================================ */

.code-block .token.comment  { color: var(--syntax-comment); }
.code-block .token.keyword  { color: var(--syntax-keyword); font-weight: 600; }
.code-block .token.string   { color: var(--syntax-string); }
.code-block .token.number   { color: var(--syntax-number); }
.code-block .token.function { color: var(--syntax-function); }
.code-block .token.class-name,
.code-block .token.type     { color: var(--syntax-type); }
.code-block .token.operator { color: var(--syntax-operator); }

.code-block-normal .token.comment  { color: var(--syntax-comment); }
.code-block-normal .token.keyword  { color: var(--syntax-keyword); font-weight: 600; }
.code-block-normal .token.string   { color: var(--syntax-string); }
.code-block-normal .token.number   { color: var(--syntax-number); }
.code-block-normal .token.function { color: var(--syntax-function); }
.code-block-normal .token.class-name,
.code-block-normal .token.type     { color: var(--syntax-type); }
.code-block-normal .token.operator { color: var(--syntax-operator); }


/* ================================
   Docs Card Grid
   ================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18em, 1fr));
  gap: 1.5em;
  margin-top: 2em;
}

/* ================================
   Doc Card
   ================================ */

.doc-card {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 1.2em;

  display: flex;
  flex-direction: column;

  min-height: 16em; /* 🔑 tune this value */

  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.doc-card p {
  margin: 0 0 1.1em;
  font-size: 0.95em;
  color: var(--text-main);
}

.doc-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.10);
}

/* Card content */
.doc-card h3 {
  margin: 0 0 0.6em;
  color: var(--text-strong);
  font-size: 1.1em;
}

.doc-card p {
  margin: 0 0 1.1em;
  font-size: 0.95em;
  color: var(--text-main);
}

/* Button inside cards */
.doc-card a.btn {
  align-self: flex-start; /* 🔑 prevents full-width stretch */
  margin-top: auto;       /* pushes button to bottom */
  font-size: 0.9em;
}

/* ================================
   Docs Card Subtle Variants
   ================================ */

.card-variant-1 { background-color: var(--card-1); }
.card-variant-2 { background-color: var(--card-2); }
.card-variant-3 { background-color: var(--card-3); }
.card-variant-4 { background-color: var(--card-4); }


/* ================================
   Theme toggle button
   ================================ */

.theme-toggle {
  margin-left: 1.5em;

  background: none;
  border: 1px solid var(--border-soft);
  border-radius: 6px;

  padding: 0.35em 0.6em;

  color: var(--text-main);
  font-size: 0.9em;

  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.theme-toggle:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent);
}

/* ================================
   HTML Preview
   ================================ */

.editor-preview-container {
  position: relative;
}

.html-preview {
  border: 1px solid var(--border-color, #ccc);
  padding: 1em;
  min-height: 200px;
  background: var(--bg-alt, #fafafa);
}

.hidden {
  display: none;
}

.preview-toggle {
  margin-bottom: 0.5em;
}

.toggle-btn {
  font-size: 0.85em;
}

/* =========================
   Danger zone
   ========================= */

.admin-separator {
  margin: 3em 0;
  border: none;
  border-top: 1px solid var(--border-soft);
}

.admin-danger-zone {
  background: rgba(220, 38, 38, 0.05);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: 8px;
  padding: 1.5em;
}

.admin-danger-zone h2 {
  margin-top: 0;
  color: #b91c1c;
}

.admin-danger-zone p {
  color: var(--text-main);
  margin-bottom: 1em;
}

.btn-danger {
  background: #dc2626;
  color: white;
  border: none;
  padding: 0.6em 1.1em;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger:hover {
  background: #b91c1c;
}

.admin-form-wide {
  max-width: 980px;
}

.form-section {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 1.4em 1.6em;
  margin-bottom: 2em;
  background: var(--bg-soft);
}

.form-section legend {
  padding: 0 0.6em;
  font-size: 0.9em;
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4em;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6em 0.7em;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  background: var(--bg-main);
  font-size: 0.95em;
}


/* =========================
   Admin tables
   ========================= */

.admin-table-scroll-top {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  height: 14px;          /* height of scrollbar track */
  margin-bottom: 6px;
}

.admin-table-scroll-inner {
  height: 1px;           /* invisible element that defines width */
}

/* Wrapper handles horizontal scroll */
.admin-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

/* Table base */
.admin-table {
  width: 100%;
  min-width: 600px; /* optional: forces scroll on small screens */
  border-collapse: collapse;

  background: var(--bg-soft);
  font-size: 0.95rem;
}

/* Header */
.admin-table th {
  background: var(--bg-soft);
  color: var(--text-strong);
  font-weight: 600;

  padding: 0.8em 1em;
  text-align: left;

  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}

/* Body cells */
.admin-table td {
  padding: 0.8em 1em;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-main);
  white-space: nowrap;
}

/* Zebra */
.admin-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.03);
}

/* Hover */
.admin-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.06);
}

/* Links */
.admin-table a {
  color: var(--accent);
  text-decoration: none;
}

.admin-table a:hover {
  text-decoration: underline;
}

/* ================================
   Utilities
   ================================ */

.hidden { display: none; }
.left { float: left; }
.right { float: right; }
.avatar { border-radius: 50%; }

/* ================================
   Scrollbars
   ================================ */

::-webkit-scrollbar {
  width: 13px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background-color: var(--accent);
  border-radius: 12px;
  border: 3px solid var(--bg-main);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-hover);
}

* {
  scrollbar-color: var(--accent) var(--bg-main);
}


.site-footer {
  margin-top: 4rem;
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted, #777);
  text-align: center;
}

.architecture-note {
  display: inline-block;
  opacity: 0.8;
}


.admin-actions {
  display: flex;
  gap: 1em;
  margin-top: 1.5em;
}

/* ================================
   Editor + Preview wrapper
   ================================ */

.editor-preview-wrapper {
  position: relative;
  margin-top: 0.5em;
}

/* ================================
   Preview toggle button (admin)
   ================================ */

.preview-toggle {
  margin-left: 0.6em;
  padding: 0.25em 0.6em;

  font-size: 0.75rem;
  font-weight: 500;

  background: var(--bg-main);
  color: var(--text-main);

  border: 1px solid var(--border-soft);
  border-radius: 6px;

  cursor: pointer;
  vertical-align: middle;

  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.preview-toggle:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-strong);
}

/* ================================
   HTML preview box
   ================================ */

.html-preview {
  margin-top: 0.8em;

  border: 1px solid var(--border-soft);
  border-radius: 8px;

  padding: 1em;
  min-height: 200px;

  background: var(--bg-soft);
  color: var(--text-main);

  line-height: var(--line-height-base);
}

/* Make preview visually distinct from editor */
.html-preview h1,
.html-preview h2,
.html-preview h3 {
  margin-top: 1.2em;
}

#description-preview {
  background-color: var(--bg-main);
}

@media (max-width: 640px) {

  /* Reduce horizontal padding everywhere */
  main,
  .admin-page {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  /* Typography scale */
  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  /* Stack admin action buttons */
  .admin-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-actions .btn {
    width: 100%;
    text-align: center;
  }
}

/*
@media (max-width: 768px) {
  .admin-table {
    display: block;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }
}*/

main {
  max-width: 48em;
  margin: auto;
  padding: 0 1.5em;
}

.admin-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

@media (max-width: 600px) {
  .theme-toggle {
    margin-left: 0;
  }
}

/* ================================
   Inline code
   ================================ */

code {
  font-family:
    "JetBrains Mono",
    "Fira Code",
    "Source Code Pro",
    monospace;

  font-size: 0.9em;
  padding: 0.15em 0.35em;
  border-radius: 4px;

  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--border-soft);
}

/* ================================
   Prism syntax highlighting
   ================================ */

.token.comment     { color: var(--syntax-comment); }
.token.keyword     { color: var(--syntax-keyword); font-weight: 600; }
.token.string      { color: var(--syntax-string); }
.token.number      { color: var(--syntax-number); }
.token.function    { color: var(--syntax-function); }
.token.class-name,
.token.type        { color: var(--syntax-type); }
.token.operator    { color: var(--syntax-operator); }


/* ================================
   Responsive tables (fixed)
   ================================ */

/*table {
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95em;
  width: max-content;
  max-width: 100%;
} */

table {
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95em;
  width: 100%;
}

@media (max-width: 768px) {
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* Cells */
th,
td {
  padding: 0.6em 0.8em;
  border: 1px solid var(--border-soft);
  white-space: nowrap;
}

/* Header */
th {
  background: var(--bg-soft);
  color: var(--text-strong);
  font-weight: 600;
  text-align: left;
}

/* Zebra */
tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.03);
}


/* ================================
   Code blocks
   ================================ */

.code-block {
  position: relative;
  margin: 1.4em 0;
}

.code-block pre {
  margin: 0;
  padding: 1em 3em 1em 1.2em;

  background: var(--code-bg);
  color: var(--code-text);

  border: 1px solid var(--border-soft);
  border-radius: 8px;

  overflow-x: auto;
  font-size: 0.9em;
  line-height: 1.5;
}

.code-block pre > code {
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

/* Copy button */

/* Default: do nothing */
.copy-btn {
  display: none;
}

.code-block .copy-btn {
  display: inline-block;

  position: absolute;
  top: 0.6em;
  right: 0.6em;
  z-index: 2;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  color: var(--text-main);

  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
}

.code-block .copy-btn:hover {
  background: var(--bg-hover);
}

/* =========================
   Login page
   ========================= */

.login-wrapper {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 420px;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 12px;

  padding: 2rem;
  text-align: center;

  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.login-card h1 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-main);
  opacity: 0.8;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-form input {
  padding: 0.7rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  background: var(--bg-main);
  font-size: 1rem;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-btn {
  width: 100%;
  margin-top: 0.5rem;
}



/* ================================
   Subject Selector (Centered / Themed)
   ================================ */

.subject-selector {
  display: flex;
  justify-content: center;        /* center horizontally */
  align-items: center;
  flex-wrap: wrap;

  gap: 0.9em;
  margin: 2.5em 0 3em;

  padding: 1em 1.2em;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 10px;

  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
}

/* Individual pill */
.subject-pill {
  display: inline-block;

  padding: 0.55em 1em;
  font-size: 0.9rem;
  font-weight: 500;

  border-radius: 6px;
  border: 1px solid var(--border-soft);

  background: var(--bg-main);
  color: var(--text-main);

  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

/* Hover */
.subject-pill:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-strong);
}

/* Active */
.subject-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-main);
}



/* ================================
   Article Page
   ================================ */

.article-page {
  margin-top: 3rem;
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-soft);
}

.article-header h1 {
  margin: 0 0 0.6rem;
  line-height: 1.25;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.article-date {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;

  color: var(--accent);

  padding: 0.35em 0.7em;
  border-radius: 999px;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);

  display: inline-block;
}


.article-slug {
  font-family:
    "JetBrains Mono",
    "Fira Code",
    "Source Code Pro",
    monospace;

  font-size: 0.8rem;
  letter-spacing: 0.04em;
  font-weight: 500;

  color: var(--slug-text);
  background: var(--slug-bg);

  padding: 0.35em 0.7em;
  border-radius: 999px;

  border: 1px solid var(--slug-border);

  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}


/* ================================
   Footer / Address
   ================================ */

address {
  margin-top: 2.5rem;
  text-align: center;
  font-style: normal;
}

address a {
  display: inline-block;

  padding: 0.55em 1em;
  border-radius: 999px;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);

  color: var(--text-strong);
  font-size: 0.9rem;

  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease;
}

address a:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ================================
   Article Summary (Left Panel)
   ================================ */

/* ================================
   Article Summary + Toggle (Drop-in)
   Anchored to centered main (48em)
   ================================ */

:root {
  --main-max: 48em;
  --summary-w: 16rem;
  --summary-gap: 2rem;
  --toggle-w: 3rem;          /* approx; adjust if needed */
  --edge-min: 1rem;          /* min distance from viewport edge */
  --edge-max: 2rem;          /* max “comfort” distance */
}

/* Where is the LEFT edge of main? 50% - half(main) */
:root {
  --main-left: calc(50% - (var(--main-max) / 2));
}

/* Panel target X: left of main, minus its width + gap */
:root {
  --summary-left: calc(var(--main-left) - var(--summary-w) - var(--summary-gap));
}

/* Toggle default X: slightly left of the panel (or adjust to taste) */
:root {
  --toggle-left: calc(var(--summary-left) - var(--toggle-w));
}

/* Toggle when panel is open: sit right next to content (left edge of main) */
:root {
  --toggle-open-left: calc(var(--main-left) - var(--summary-gap));
}

/* ================================
   Article Summary (Left Panel)
   ================================ */

.article-summary {
  position: fixed;
  top: 8rem;

  /* Keep it on-screen if calc goes negative */
  left: max(1rem, calc(50% - 24em - 16rem - 2rem));

  width: var(--summary-w);
  max-height: 70vh;
  padding: 1.2rem;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 12px;

  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(8px);

  overflow-y: auto;

  transform: translateX(-120%);
  opacity: 0;
  pointer-events: none;

  transition:
    transform 0.25s ease,
    opacity 0.2s ease;

  z-index: 200;
}

.article-summary.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* Title */
.summary-inner h2 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Links */
.summary-inner nav a {
  display: block;
  font-size: 0.85rem;
  margin: 0.4rem 0;
  color: var(--text-main);
  transition: color 0.15s ease;
}

.summary-inner nav a:hover {
  color: var(--text-strong);
}

/* ================================
   Toggle Button
   ================================ */

.summary-toggle {
  position: fixed;
  top: 6rem;


  left: max(1rem, calc(50% - 24em - 16rem - 5rem));

  z-index: 210;

  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 6px;

  padding: 0.4rem 0.6rem;
  cursor: pointer;

  transition: background-color 0.15s ease, left 0.25s ease;
}

.summary-toggle:hover {
  background: var(--bg-hover);
}

/* ================================
   Responsive breakpoints
   ================================ */

/* At <=1000px, just pin both to 2rem (simple + predictable) */
@media (max-width: 1000px) {
  .article-summary {
    left: 2rem;
  }

  .summary-toggle {
    left: 2rem;
  }

  .article-summary.open ~ .summary-toggle {
    left: 2rem;
  }
}

/* Mobile drawer */
@media (max-width: 768px) {
  .article-summary {
    left: 0;
    width: 100%;
    max-height: none;

    top: 4.5rem;
    height: calc(100vh - 5.5rem);

    border-radius: 0;
    padding-top: 6rem;
  }

  .summary-toggle {
    top: 5.5rem;
    left: 0;
  }

  .article-summary.open ~ .summary-toggle {
    left: 0;
  }
}

.article-summary {
  direction: rtl;
}

.summary-inner {
  direction: ltr;
}

/* Anchor heading offsets under sticky header */
.article-content h2,
.article-content h3 {
  scroll-margin-top: 8.25rem;
}

.flash-message {
  position: fixed;
  top: 6rem;
  right: 2rem;

  padding: 0.6rem 1rem;
  font-size: 0.85rem;

  border-radius: 8px;

  background: #fff7ed;      /* soft warm background */
  border: 1px solid #fdba74;
  color: #c2410c;           /* muted burnt orange */

  box-shadow: 0 8px 20px rgba(0,0,0,0.06);

  z-index: 500;

  opacity: 1;
  transition: opacity 0.3s ease;
}

:root[data-theme="dark"] .flash-message {
  background: rgba(251, 146, 60, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.4);
  color: #fb923c;
}

.flash-message.hidden {
  opacity: 0;
  pointer-events: none;
}
.flash-message.hidden {
  opacity: 0;
  pointer-events: none;
}
.flash-message.hidden {
  opacity: 0;
  pointer-events: none;
}

.admin-actions-row {
  display: flex;
  gap: 1rem;          /* spacing between buttons */
  align-items: center;
}

@media (max-width: 640px) {
  .admin-actions-row {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-actions-row form {
    width: 100%;
  }

  .admin-actions-row .btn {
    width: 100%;
  }
}

.article-visibility {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  margin-left: auto;

  padding: 0.35em 0.7em;
  border-radius: 999px;

  display: inline-block;
}

.article-visibility.public {
  color: var(--status-public-text);
  background: var(--status-public-bg);
  border: 1px solid var(--status-public-border);
}

.article-visibility.private {
  color: var(--status-private-text);
  background: var(--status-private-bg);
  border: 1px solid var(--status-private-border);
}


/* ================================
   Scroll Progress Bar (Ultra Robust)
   ================================ */

.scroll-progress {
  position: fixed;
  left: 0;
  right: 0;

  bottom: 0;
  padding-bottom: env(safe-area-inset-bottom);

  height: 6px;

  z-index: 1000;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 100%;

  transform-origin: left;
  transform: scaleX(0);

  border-radius: 999px;

  background: linear-gradient(
    90deg,
    var(--accent),
    var(--accent-hover)
  );
}

.rss-wrapper {
  text-align: center;
  margin-bottom: 1rem;
}

.rss-link {
  display: inline-block;   /* force shrink to content */
}