/* ------------------------------------------------------------
   COLOR PALETTE 
   ------------------------------------------------------------ */

:root {
  /* -- Dark palette -- */
  --gbk-dark-bg0-hard: #1d2021;
  --gbk-dark-bg0: #282828;
  --gbk-dark-bg0-soft: #32302f;
  --gbk-dark-bg1: #3c3836;
  --gbk-dark-bg2: #504945;
  --gbk-dark-bg3: #665c54;
  --gbk-dark-bg4: #7c6f64;

  --gbk-dark-fg0: #fbf1c7;
  --gbk-dark-fg1: #ebdbb2;
  --gbk-dark-fg2: #d5c4a1;
  --gbk-dark-fg3: #bdae93;
  --gbk-dark-fg4: #a89984;

  --gbk-dark-red: #cc241d;
  --gbk-dark-green: #98971a;
  --gbk-dark-yellow: #d79921;
  --gbk-dark-blue: #458588;
  --gbk-dark-purple: #b16286;
  --gbk-dark-aqua: #689d6a;
  --gbk-dark-orange: #d65d0e;
  --gbk-dark-gray: #928374;

  /* Bright variants */
  --gbk-dark-red-bright: #fb4934;
  --gbk-dark-green-bright: #b8bb26;
  --gbk-dark-yellow-bright: #fabd2f;
  --gbk-dark-blue-bright: #83a598;
  --gbk-dark-purple-bright: #d3869b;
  --gbk-dark-aqua-bright: #8ec07c;
  --gbk-dark-orange-bright: #fe8019;
  --gbk-dark-gray-bright: #a89984;
}

/* ------------------------------------------------------------
   DARK THEME  (default — applied to :root)
   ------------------------------------------------------------ */

:root,
[data-theme="dark"] {
  color-scheme: dark;

  --bg-hard: var(--gbk-dark-bg0-hard);
  --bg: var(--gbk-dark-bg0);
  --bg-soft: var(--gbk-dark-bg0-soft);
  --bg1: var(--gbk-dark-bg1);
  --bg2: var(--gbk-dark-bg2);
  --bg3: var(--gbk-dark-bg3);
  --bg4: var(--gbk-dark-bg4);

  --fg0: var(--gbk-dark-fg0);
  --fg: var(--gbk-dark-fg1);
  --fg2: var(--gbk-dark-fg2);
  --fg3: var(--gbk-dark-fg3);
  --fg4: var(--gbk-dark-fg4);

  --red: var(--gbk-dark-red-bright);
  --green: var(--gbk-dark-green-bright);
  --yellow: var(--gbk-dark-yellow-bright);
  --blue: var(--gbk-dark-blue-bright);
  --purple: var(--gbk-dark-purple-bright);
  --aqua: var(--gbk-dark-aqua-bright);
  --orange: var(--gbk-dark-orange-bright);
  --gray: var(--gbk-dark-gray-bright);

  --accent: var(--gbk-dark-yellow-bright);
  --link: var(--gbk-dark-blue-bright);
  --border: var(--gbk-dark-bg2);
  --shadow: rgba(0, 0, 0, 0.55);

  --selection-bg: var(--gbk-dark-bg2);
  --selection-fg: var(--gbk-dark-fg0);
}
/* ------------------------------------------------------------
   BASE STYLES
   ------------------------------------------------------------ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
  padding: 0;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

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

/* ------------------------------------------------------------
   TYPOGRAPHY
   ------------------------------------------------------------ */

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--fg0);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 2rem;
  color: var(--yellow);
}
h2 {
  font-size: 1.625rem;
  color: var(--orange);
}
h3 {
  font-size: 1.375rem;
  color: var(--green);
}
h4 {
  font-size: 1.125rem;
  color: var(--aqua);
}
h5 {
  font-size: 1rem;
  color: var(--blue);
}
h6 {
  font-size: 0.875rem;
  color: var(--purple);
}

p {
  margin: 0 0 1rem;
}

small {
  font-size: 0.85em;
  color: var(--fg4);
}
strong {
  color: var(--fg0);
  font-weight: 700;
}
em {
  color: var(--fg2);
  font-style: italic;
}
mark {
  background: var(--yellow);
  color: var(--bg-hard);
  padding: 0.1em 0.25em;
  border-radius: 2px;
}

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

/* ------------------------------------------------------------
   LINKS
   ------------------------------------------------------------ */

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--link) 40%, transparent);
  transition:
    transform 0.2s,
    color 0.15s ease,
    text-decoration-color 0.15s ease;
}

a:hover {
  color: var(--yellow);
  text-decoration-color: var(--yellow);
  transform: scale(1.025);
}

a:visited {
  color: var(--purple);
  transition: transform 0.2s;
}

a:active {
  color: var(--orange);
  transition: transform 0.2s;
}

/* ------------------------------------------------------------
   CODE
   ------------------------------------------------------------ */

code,
kbd,
samp {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.875em;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.35em;
  color: var(--green);
}

kbd {
  color: var(--yellow);
  box-shadow: 0 2px 0 var(--bg3);
}

pre {
  background: var(--bg-hard);
  border: 1px solid var(--border);
  border-left: 3px solid var(--yellow);
  border-radius: 4px;
  overflow-x: auto;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--fg);
  font-size: inherit;
}

/* ------------------------------------------------------------
   BLOCKQUOTE
   ------------------------------------------------------------ */

blockquote {
  border-left: 3px solid var(--aqua);
  background: var(--bg-soft);
  color: var(--fg2);
  margin: 1.25rem 0;
  padding: 0.75rem 1.25rem;
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-size: 0.85em;
  color: var(--fg4);
}

blockquote cite::before {
  content: "— ";
}

/* ------------------------------------------------------------
   LISTS
   ------------------------------------------------------------ */

ul,
ol {
  padding-left: 1.5em;
  margin: 0 0 1rem;
}

li {
  margin-bottom: 0.25rem;
}

ul li::marker {
  color: var(--yellow);
}
ol li::marker {
  color: var(--orange);
  font-weight: 700;
}

/* ------------------------------------------------------------
   HORIZONTAL RULE
   ------------------------------------------------------------ */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ------------------------------------------------------------
   TABLES
   ------------------------------------------------------------ */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
  margin: 1rem 0;
}

thead tr {
  background: var(--bg1);
  border-bottom: 2px solid var(--yellow);
}

thead th {
  color: var(--yellow);
  font-weight: 700;
  text-align: left;
  padding: 0.6rem 0.875rem;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s ease;
}

tbody tr:nth-child(even) {
  background: var(--bg-soft);
}

tbody tr:hover {
  background: var(--bg1);
}

td {
  padding: 0.55rem 0.875rem;
  color: var(--fg);
}

/* ------------------------------------------------------------
   FORM ELEMENTS
   ------------------------------------------------------------ */

label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--fg2);
  font-size: 0.9em;
  font-weight: 600;
}

label:hover {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--fg2);
  font-size: 0.9em;
  font-weight: 600;
}

input,
textarea,
select {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  padding: 0.5rem 0.75rem;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--yellow) 20%, transparent);
}

input::placeholder,
textarea::placeholder {
  color: var(--fg4);
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--yellow);
  width: auto;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23fabd2f'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 0 0 1rem;
}

legend {
  color: var(--yellow);
  font-weight: 700;
  padding: 0 0.5rem;
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------ */

button,
.btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
  user-select: none;
}

button:hover,
.btn:hover {
  background: var(--bg3);
  border-color: var(--fg4);
}

button:active,
.btn:active {
  background: var(--bg4);
}

button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

/* Primary */
.btn-primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--bg-hard);
}
.btn-primary:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--bg-hard);
}

/* Danger */
.btn-danger {
  background: var(--red);
  border-color: var(--red);
  color: var(--bg-hard);
}
.btn-danger:hover {
  opacity: 0.85;
}

/* Ghost */
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--fg2);
}
.btn-ghost:hover {
  background: var(--bg1);
  color: var(--fg);
}

/* Sizes */
.btn-sm {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
}
.btn-lg {
  font-size: 1.05rem;
  padding: 0.65rem 1.4rem;
}

/* ------------------------------------------------------------
   CARDS
   ------------------------------------------------------------ */

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 6px var(--shadow);
}

.card-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  color: var(--fg0);
  font-weight: 700;
}

.card-footer {
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding-top: 0.75rem;
  color: var(--fg3);
  font-size: 0.875em;
}

/* ------------------------------------------------------------
   BADGES / TAGS
   ------------------------------------------------------------ */

.badge {
  display: inline-block;
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.2em 0.55em;
  border-radius: 3px;
  text-transform: uppercase;
  background: var(--bg2);
  color: var(--fg2);
}

.badge-red {
  background: color-mix(in srgb, var(--red) 25%, var(--bg));
  color: var(--red);
}
.badge-green {
  background: color-mix(in srgb, var(--green) 25%, var(--bg));
  color: var(--green);
}
.badge-yellow {
  background: color-mix(in srgb, var(--yellow) 25%, var(--bg));
  color: var(--yellow);
}
.badge-blue {
  background: color-mix(in srgb, var(--blue) 25%, var(--bg));
  color: var(--blue);
}
.badge-purple {
  background: color-mix(in srgb, var(--purple) 25%, var(--bg));
  color: var(--purple);
}
.badge-aqua {
  background: color-mix(in srgb, var(--aqua) 25%, var(--bg));
  color: var(--aqua);
}
.badge-orange {
  background: color-mix(in srgb, var(--orange) 25%, var(--bg));
  color: var(--orange);
}

/* ------------------------------------------------------------
   ALERTS / CALLOUTS
   ------------------------------------------------------------ */

.alert {
  border-left: 4px solid var(--border);
  border-radius: 0 4px 4px 0;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: var(--bg-soft);
}

.alert-info {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue) 10%, var(--bg));
}
.alert-success {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 10%, var(--bg));
}
.alert-warning {
  border-color: var(--yellow);
  background: color-mix(in srgb, var(--yellow) 10%, var(--bg));
}
.alert-danger {
  border-color: var(--red);
  background: color-mix(in srgb, var(--red) 10%, var(--bg));
}

/* ------------------------------------------------------------
   SCROLLBAR  (WebKit / Blink)
   ------------------------------------------------------------ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-hard);
}
::-webkit-scrollbar-thumb {
  background: var(--bg3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg4);
}

/* Firefox */
* {
  scrollbar-color: var(--bg3) var(--bg-hard);
  scrollbar-width: thin;
}

/* ------------------------------------------------------------
   UTILITIES
   ------------------------------------------------------------ */

/* Text colors */
.text-red {
  color: var(--red);
}
.text-green {
  color: var(--green);
}
.text-yellow {
  color: var(--yellow);
}
.text-blue {
  color: var(--blue);
}
.text-purple {
  color: var(--purple);
}
.text-aqua {
  color: var(--aqua);
}
.text-orange {
  color: var(--orange);
}
.text-gray {
  color: var(--gray);
}
.text-muted {
  color: var(--fg4);
}

/* Background colors */
.bg-hard {
  background-color: var(--bg-hard);
}
.bg-soft {
  background-color: var(--bg-soft);
}
.bg-1 {
  background-color: var(--bg1);
}
.bg-2 {
  background-color: var(--bg2);
}

/* Borders */
.border {
  border: 1px solid var(--border);
}
.border-yellow {
  border-color: var(--yellow);
}
.border-aqua {
  border-color: var(--aqua);
}
.rounded {
  border-radius: 4px;
}
.rounded-lg {
  border-radius: 8px;
}

/* Focus ring */
.focus-ring:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
  BOXES
   ------------------------------------------------------------ */

.box {
  font-size: 12px;
  padding: 10px 15px;
  position: relative;
  border-radius: 4px;
  border: 2px solid var(--gbk-dark-bg0-hard);
  transition: transform 0.2s;
}

.box:hover {
  transform: scale(1.05);
  border: 2px solid var(--gbk-dark-green);
}

.container {
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ------------------------------------------------------------
   Layouts 
   ------------------------------------------------------------ */

.layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 1.25rem;
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
  align-items: stetch;
}

.main-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card h1 {
  margin-top: 0;
}
.card h2 {
  margin-top: 0;
}
.card h3 {
  margin-top: 0;
}

/* ------------------------------------------------------------
    POSTS 
   ------------------------------------------------------------ */

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.post-list li:last-child {
  border-bottom: none;
}

.post-date {
  color: var(--fg4);
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-left: 1rem;
}
/* ------------------------------------------------------------
  PROJECTS 
   ------------------------------------------------------------ */

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.box.project-tile {
  cursor: pointer;
}

.proj-name {
  color: var(--fg0);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.proj-tag {
  color: var(--fg4);
  font-size: 0.75rem;
}
.label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg4);
  margin: 0;
}

/* ------------------------------------------------------------
  SIDEBAR 
   ------------------------------------------------------------ */

.sidebar {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 6px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* -- Sidebar internals -- */
.sidebar h3 {
  margin-top: 0;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sidebar nav a {
  font-size: 0.85rem;
  padding: 0.25rem 0;
}

.sidebar nav a::before {
  content: "> ";
  color: var(--yellow);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.25rem 0;
}

@media (max-width: 640px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    grid-row: auto;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------
  BOXES
   ------------------------------------------------------------ */

.dropdown-image {
  display: block;
  width: 100%;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 0.7s ease,
    opacity 1.3s ease;
}

.box:hover .dropdown-image {
  max-height: 300px;
  opacity: 1;
  margin: 6px 0;
}