/* ===== Fonts ===== */
@font-face {
  font-family: Dos;
  src: url(/dos.ttf);
}

/* ===== Root and Theme Variables ===== */
:root {
  --c0: #000000;
  --c1: #000080;
  --c2: #00aaaa;
  --c3: #00aa00;
  --c4: #aa00aa;
  --c5: #aa0000;
  --c6: #aa5500;
  --c7: #aaaaaa;
  --c8: #555555;
  --c9: #5555ff;
  --c10: #1fdbdb;
  --c11: #55ff55;
  --c12: #ff55ff;
  --c13: #ff5555;
  --c14: #ffff55;
  --c15: #ffffff;
  --ln: 2px;
  --gap: 1rem;
  --fs: 16px;
  --lh: 24px;
}

/* ===== Layout ===== */
.screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
a::before {
  content: "[";
}

a::after {
  content: "]";
}

main {
  flex-grow: 1;
  padding-top: var(--gap);
  padding-bottom: var(--gap);
}
em {
  color: var(--c6);
  font-style: normal;
}

/* ===== Base Typography ===== */
strong {
  font-weight: normal;
  color: var(--c15);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: var(--gap);
}

::-webkit-scrollbar-track {
  background: var(--c7);
}

/* Handle */
::-webkit-scrollbar-thumb {
  background: var(--c8);
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: var(--c4);
}

.screen *:not(pre) {
  font-size: inherit;
  line-height: inherit;
}

/* ===== Layout Containers ===== */
.wrapper {
  max-width: 800px;
  margin: 0 auto;
  flex-grow: 1;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--c0);
  color: var(--c7);
  font-family: 'Dos', monospace;
  font-size: var(--fs);
  line-height: var(--lh);
  vertical-align: center;
  font-smooth: never;
  -webkit-font-smoothing: none;
  letter-spacing: -1px;
}

pre {
  font-family: inherit;
  padding: var(--gap);
  background: #111;
  border: 1px solid gray;
  overflow-y: scroll;
}

code {
  color: var(--c3);
  font-family: inherit;
}

/* ===== Headings, Text, Tables ===== */
h1,
h2,
h3,
h4,
h5,
p,
li,
table,
blockquote {
  font-weight: normal;
  margin: 0 0 var(--gap) 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
}

li {
  margin: 0;
}

h1 {
  font-size: 1.4em;
  line-height: 1.73em;
  text-transform: uppercase;
}
h1 .tagline {
  color: var(--c7);
  text-transform: initial;
}

h2 {
  font-size: 1.3em;
  line-height: 1.61em;
  border-bottom: 4px double var(--c4);
}

h3 {
  line-height: 1.48em;
}

/* Heading colors */
h1,
h2,
h3 {
  color: var(--c14);
}

.youtube-video {
  aspect-ratio: 16 / 9;
  width: 100%;
}

ul#articles li {
  list-style-type: square;
  color: var(--c7);
}

ul#articles {
  padding: 0 0 0 1em;
}

/* Links */
a {
  color: var(--c10);
  text-decoration: none;
}

/* ===== Navigation ===== */
nav a {
  text-decoration: none;
  color: var(--c0);
}

nav a.active {
  text-decoration: underline;
}

nav a span {
  color: var(--c5);
}

a.tag {
  color: darkolivegreen;
  justify-content: center;
}

/* ===== Structural Elements ===== */
main,
header,
footer {
  box-sizing: border-box;
  display: flex;
}

/* ===== Overlays ===== */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  /* Scanlines + subtle dark edges like a CRT vignette */
  background-image:
    /* Scanlines: thicker and slightly higher contrast for visibility */
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.08) 0px,
      rgba(255, 255, 255, 0.08) 2px,
      rgba(0, 0, 0, 0) 4px
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(0, 0, 0, 0) 55%,
      rgba(0, 0, 0, 0.15) 75%,
      rgba(0, 0, 0, 0.3) 100%
    );
  /* Optionally tweak overall intensity */
  /* opacity: 0.9; */
}

/* PJAX progress and dimming */
/* Progressive chunk reveal for PJAX */
/* Retro-style progressive load: 1-frame blink per chunk with white overlay */
.pjax-chunk { opacity: 0; position: relative; }
.pjax-chunk.pjax-on { opacity: 1; }
.pjax-chunk.pjax-flash::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.25);
  pointer-events: none;
}

/* main content links inherit default link styles */

header {
  background: var(--c7);
}

nav.wrapper {
  display: flex;
  gap: 0 var(--gap);
  flex-wrap: wrap;
}

nav.wrapper .nav-right {
  margin-left: auto;
  display: flex;
  gap: 0 var(--gap);
}

main nav,
table,
blockquote {
  background: transparent;
  padding: var(--gap);
  border: 4px double var(--c3);
  margin: 0 auto;
  margin-bottom: var(--gap);
}

main nav a {
  color: var(--c3);
}

.pagination {
  text-align: center;
}

p:has(> img:only-child) {
  display: flex;
  justify-content: center;
  border: calc(var(--ln) * 2) double var(--c3);
}

img {
  max-width: 80%;
}

/* Footer styles to mirror header */
footer {
  background: var(--c7);
  padding: 0 var(--gap);
}

footer .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0 var(--gap);
  flex-wrap: wrap;
}

footer,
footer p {
  color: var(--c0);
}

footer a {
  text-decoration: none;
  color: var(--c0);
}

@media only screen and (max-width: 500px) {

  header,
  main,
  footer {
    padding: 1em;
  }

  ul#articles li a {
    display: block;
  }
}

main> :first-child {
  margin-top: 0;
}

label {
  display: block;
  color: var(--c15);
}
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: var(--c15);
  background: var(--c1);
  border: none;
  padding: var(--gap);
  margin-bottom: 0;
  box-sizing: border-box;
  width: 100%;
}
.screen select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.screen input:focus,
.screen textarea:focus,
.screen select:focus,
.screen button:focus {
  outline: 4px double var(--c14);
  outline-offset: 2px;
}
.actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--gap);
  text-align: right;
  margin-bottom: var(--gap);
}
/* Keep action buttons laid out inline consistently */
.actions form {
  display: inline;
  margin: 0;
}

/* Remove default focus glow from links and buttons across browsers */
.screen a:focus,
.screen button:focus {
  outline: 2px solid var(--c14);
  outline-offset: 2px;
}
/* Firefox inner focus ring removal */
.screen button::-moz-focus-inner { border: 0; }

/* Default browser caret is used; custom DOS block caret removed */
.help-text {
  color: var(--c8);
}
.field {
  margin-bottom: var(--gap);
}

/* Form errors */
.errorlist {
  list-style: none;
  margin: var(--gap) 0 0 0;
  padding: var(--gap);
  border: 4px double var(--c13);
  background: var(--c5);
  color: var(--c15);
}
.errorlist li {
  margin: 0;
}

/* Messages (Django contrib.messages) */
.messages {
  margin: 0 0 var(--gap) 0;
  padding: 0;
}
.messages li {
  list-style: none;
  margin: 0 0 var(--gap) 0;
  padding: var(--gap);
  border: 4px double var(--c10);
  background: var(--c1);
  color: var(--c15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.messages li:last-child {
  margin-bottom: 0;
}
.messages li.success {
  border-color: var(--c3);
}
.messages li.error,
.messages li.danger {
  border-color: var(--c13);
}
.messages li.warning {
  border-color: var(--c14);
}
.messages li.info {
  border-color: var(--c10);
}

/* Messages - close button overrides */
.messages button.close {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0 0 0 var(--gap);
  color: var(--c15);
  cursor: pointer;
}
.messages button.close:hover {
  color: var(--c14);
}

/* Attention blink for messages and form errors */
@keyframes mpd-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.messages .message-text,
.errorlist li {
  animation: mpd-blink 0.9s step-end 3;
}
@media (prefers-reduced-motion: reduce) {
  .messages .message-text,
  .errorlist li {
    animation: none;
  }
}

.form-row.two-cols {
  display: flex;
  gap: var(--gap);
}
.form-row.two-cols .field {
  flex: 1 1 0;
}

/* DOS-style buttons */
.screen button,
.screen input[type="submit"],
.screen input[type="button"],
.screen .btn {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: var(--c0);
  background: var(--c2);
  border: none;
  padding: var(--gap);
  cursor: pointer;
}
.screen button:hover,
.screen input[type="submit"]:hover,
.screen input[type="button"]:hover,
.screen .btn:hover {
  background: var(--c1);
  color: var(--c15);
}
blockquote > p:last-child, .wrapper > p:last-child {
  margin-bottom: 0;
}
.purpose, .meta {
  background: var(--c9);
  color: var(--c15);
}
.hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.comment {
  border-left: 2px var(--c8) solid;
  padding-left: var(--gap);
   
}