/* ================================
   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
   ================================ */

:root {
  /* Typography */
  --font-main: "Luciole", system-ui, sans-serif;
  --line-height-base: 1.6;

  /* Backgrounds */
  --bg-main: #cce0d6;
  --bg-soft: #f1f1f1;
  --bg-hover: #b5d2c4;

  /* Text */
  --text-main: #53635d;
  --text-strong: #313d39;

  /* Accent */
  --accent: #5d8f80;
  --accent-hover: #3e6a5d;

  /* Borders */
  --border-soft: #9bbfb2;
  --border-strong: #000;

  /* Cards */
  --card-1: #e8f2ee;
  --card-2: #f1efe8;
  --card-3: #e9eff3;
  --card-4: #f0e9ef;

 /* Code block */
  --code-bg: #cce0d6;
  --code-border: #e0d9c7;
  --code-text: #333;

  /* Syntax highlighting */
  --syntax-comment: #6a7f78;
  --syntax-keyword: #2f6f8f;
  --syntax-string:  #8a3e1f;
  --syntax-number:  #7a5a00;
  --syntax-function:#3b6b4b;
  --syntax-type:    #5a4fa3;
  --syntax-operator:#444;

  --text-code: #333;

  --btn-primary-hover-bg: #000;     /* black */
  --btn-primary-hover-text: #fff;   /* white */

  color-scheme: light;
}

/* ================================
   Dark Theme
   ================================ */

/* ================================
   Dark theme (manual)
   ================================ */

:root[data-theme="dark"] {
  --bg-main: #0f1513;
  --bg-soft: #151c19;
  --bg-hover: #1f2a26;

  --text-main: #cfd8d5;
  --text-strong: #e7f0ec;

  --accent: #7fb3a2;
  --accent-hover: #9fcbbd;

  --border-soft: #2a3a35;
  --border-strong: #3d524b;

  --card-1: #16201d;
  --card-2: #1b201a;
  --card-3: #182022;
  --card-4: #201a20;

  --code-bg: #0d1311;
  --code-border: #24332e;
  --code-text: #d6e0dc;

  --syntax-comment: #7f9b92;
  --syntax-keyword: #8fbfdc;
  --syntax-string:  #d4a37c;
  --syntax-number:  #c2b27f;
  --syntax-function:#9ecfa3;
  --syntax-type:    #b4a7e6;
  --syntax-operator:#cfd8d5;

  --btn-primary-hover-bg: #fff;     /* white */
  --btn-primary-hover-text: #000;   /* black */

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg-main: #0f1513;
    --bg-soft: #151c19;
    --bg-hover: #1f2a26;

    --text-main: #cfd8d5;
    --text-strong: #e7f0ec;

    --accent: #7fb3a2;
    --accent-hover: #9fcbbd;

    --border-soft: #2a3a35;
    --border-strong: #3d524b;

    --card-1: #16201d;
    --card-2: #1b201a;
    --card-3: #182022;
    --card-4: #201a20;

    --code-bg: #0d1311;
    --code-border: #24332e;
    --code-text: #d6e0dc;

    --syntax-comment: #7f9b92;
    --syntax-keyword: #8fbfdc;
    --syntax-string:  #d4a37c;
    --syntax-number:  #c2b27f;
    --syntax-function:#9ecfa3;
    --syntax-type:    #b4a7e6;
    --syntax-operator:#cfd8d5;

  --btn-primary-hover-bg: #fff;     /* white */
  --btn-primary-hover-text: #000;   /* black */

    color-scheme: dark;
  }
}


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

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

html {
  overflow-y: scroll;
}

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;
}

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);
}

.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);
}

/* ================================
   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 {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.95rem;
}

/* Header */
.admin-table thead {
  background: linear-gradient(
    to bottom,
    var(--bg-elevated),
    var(--bg-soft)
  );
}

.admin-table th {
  text-align: left;
  padding: 0.9em 1em;
  font-weight: 600;
  color: var(--text-strong);
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}

/* Body cells */
.admin-table td {
  padding: 0.85em 1em;
  vertical-align: top;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-main);
}

/* Zebra striping */
.admin-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}

/* Hover highlight */
.admin-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.045);
}

/* Last row cleanup */
.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* Small text */
.admin-table small {
  color: var(--text-muted);
  font-size: 0.8em;
}

/* Code inside tables */
.admin-table code {
  background: var(--bg-code);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.8em;
}

/* Empty state (—) */
.admin-table em {
  color: var(--text-muted);
}

/* Action links */
.admin-table a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

/* Action column spacing */
.admin-table td:last-child {
  white-space: nowrap;
}


/* ================================
   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: 70em;
  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;

  /* 🔑 key lines */
  width: max-content;
  max-width: 100%;
}

/* Scroll only when needed */
@media (max-width: 768px) {
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* 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);
}