/* css/theme-retro.css
   Retro IBM / Bell Labs / early-web theme.
   Additive theme: body.theme-retro */

.theme-retro {
  --bg: #f7f4e8;
  --fg: #111318;
  --accent: #0000aa;
  --muted: #4f4f4f;
  --border: #1f2f8f;
  --highlight: #ece7d3;

  --retro-blue: #000080;
  --retro-red: #8f1f2f;
  --retro-amber: #9a5a17;
  --retro-paper: #fbf8ed;
  --retro-chrome: #c7c7c7;
  --retro-shadow: #737373;
}

body.theme-retro {
  background:
    linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0,0,0,0.018) 1px, transparent 1px),
    var(--retro-chrome);
  background-size: 4px 4px, 4px 4px, auto;
  color: var(--fg);
  font-family: "Courier New", "Lucida Console", monospace;
}

.retro-browser-chrome {
  display: none;
}

/* Fake early-browser chrome on desktop only */
@media (min-width: 760px) {
  body.theme-retro {
    padding-top: 178px;
  }

  body.theme-retro .retro-browser-chrome {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    display: block;
    height: 178px;
    overflow: hidden;
    background: #d6d6d6;
    border: 2px solid #05053d;
    box-shadow:
      inset 1px 1px #fff,
      inset -2px -2px var(--retro-shadow);
    color: #111;
    font-family: "Courier New", "Lucida Console", monospace;
  }

  .retro-titlebar {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr) auto;
    align-items: center;
    height: 28px;
    padding: 3px 5px;
    background: linear-gradient(90deg, #000080, #07149a);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    border-bottom: 2px solid #05053d;
    box-shadow: inset 1px 1px #8aa0ff;
  }

  .retro-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .retro-window-icon {
    width: 16px;
    height: 16px;
    border: 1px solid #000;
    background:
      radial-gradient(circle at 55% 35%, #ffd83d 0 3px, transparent 4px),
      linear-gradient(90deg, #315ccc 0 45%, #fbf8ed 45% 55%, #315ccc 55%);
    box-shadow: inset 1px 1px #fff;
  }

  .retro-window-buttons {
    display: flex;
    gap: 3px;
  }

  .retro-window-buttons span {
    width: 22px;
    height: 20px;
    background: #d6d6d6;
    border: 1px solid #000;
    box-shadow:
      inset 1px 1px #fff,
      inset -1px -1px #777;
  }

  .retro-window-buttons span:nth-child(1)::before {
    content: "";
    display: block;
    width: 10px;
    margin: 14px auto 0;
    border-top: 2px solid #111;
  }

  .retro-window-buttons span:nth-child(2)::before {
    content: "";
    display: block;
    width: 10px;
    height: 8px;
    margin: 5px auto 0;
    border: 2px solid #111;
  }

  .retro-window-buttons span:nth-child(3)::before {
    content: "X";
    display: block;
    color: #111;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
  }

  .retro-menubar {
    height: 32px;
    padding: 4px 16px;
    font-size: 18px;
    line-height: 1.35;
    border-bottom: 1px solid #777;
    box-shadow: inset 0 1px #fff;
    text-decoration-thickness: 1px;
  }

  .retro-toolbar {
    display: flex;
    align-items: stretch;
    gap: 6px;
    height: 76px;
    padding: 6px 8px;
    border-bottom: 1px solid #777;
    box-shadow: inset 0 1px #fff;
  }

  .retro-toolbar button {
    display: grid;
    justify-items: center;
    align-content: center;
    min-width: 74px;
    padding: 4px 10px;
    background: #d6d6d6;
    color: #111;
    border: 1px solid #777;
    box-shadow:
      inset 2px 2px #fff,
      inset -2px -2px #777;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
  }

  .retro-toolbar button:hover,
  .retro-toolbar button.is-clicked {
    background: #ece7d3;
    border-color: var(--retro-blue);
  }

  .retro-toolbar button:active,
  .retro-toolbar button.is-clicked {
    box-shadow:
      inset 2px 2px #777,
      inset -2px -2px #fff;
    transform: translate(1px, 1px);
  }

  .retro-icon {
    display: block;
    color: var(--retro-blue);
    font-size: 31px;
    line-height: 1;
  }

  .retro-globe {
    width: 104px;
    margin-left: auto;
    border-left: 1px solid #777;
    background:
      radial-gradient(circle at 58% 42%, #f8f8ff 0 3px, transparent 4px),
      radial-gradient(circle at 50% 52%, #3644b8 0 18px, #111d85 19px 27px, transparent 28px),
      radial-gradient(ellipse at 50% 50%, transparent 0 30px, #2832a7 31px 34px, transparent 35px),
      radial-gradient(circle at 76% 22%, #2832a7 0 7px, transparent 8px),
      radial-gradient(circle at 22% 76%, #2832a7 0 7px, transparent 8px);
  }

  .retro-location-row {
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.1fr);
    gap: 20px;
    height: 42px;
    padding: 7px 16px 6px;
    font-size: 16px;
    line-height: 28px;
    border-bottom: 2px solid #6e6e6e;
    box-shadow:
      inset 0 1px #fff,
      inset 0 -1px var(--retro-shadow);
  }

  .retro-location-row label {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    white-space: nowrap;
  }

  .retro-location-row input {
    width: 100%;
    height: 28px;
    padding: 2px 7px;
    background: #f7f7f7;
    color: #111;
    border: 1px solid #777;
    box-shadow:
      inset 2px 2px #9a9a9a,
      inset -1px -1px #fff;
    font: inherit;
    line-height: 1.2;
  }
}

/* Shell */
.theme-retro #site-header,
.theme-retro #page-content,
.theme-retro #site-footer {
  max-width: 1160px;
  width: calc(100% - 2rem);
  margin-left: auto;
  margin-right: auto;
}

.theme-retro .header {
  margin-top: 1rem;
  padding: 1.15rem 1.5rem 0.85rem;
  background: var(--retro-paper);
  border: 2px solid var(--retro-blue);
  border-bottom: 0;
  box-shadow: inset 1px 1px #fff;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand holiday controls";
  align-items: center;
}

.theme-retro .header-controls {
  grid-area: controls;
  justify-self: end;
}

.theme-retro .header-holiday-slot {
  grid-area: holiday;
  justify-self: center;
}

.theme-retro .site-id img {
  width: 46px;
  height: 46px;
  image-rendering: pixelated;
}

.theme-retro .site-id span {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #111;
}

.theme-retro .nav {
  padding: 0.85rem 1.5rem;
  background: var(--retro-paper);
  border: 2px solid var(--retro-blue);
  border-top: 1px solid var(--retro-blue);
  gap: 1.55rem;
  justify-content: center;
}

.theme-retro .nav a {
  color: var(--accent);
  text-decoration: none;
}

.theme-retro .nav a::before {
  content: "[ ";
  color: #111;
}

.theme-retro .nav a::after {
  content: " ]";
  color: #111;
}

.theme-retro .nav a.active {
  color: #fff;
  background: var(--retro-blue);
  padding: 0.1rem 0.25rem;
}

.theme-retro .archive-link {
  color: var(--retro-amber) !important;
  transition: color 0.15s ease, background 0.15s ease;
}

.theme-retro .archive-link:hover {
  color: #fff !important;
  background: var(--retro-amber);
  padding: 0.1rem 0.25rem;
  text-decoration: none;
}

.theme-retro .caddo-link {
  color: var(--retro-red) !important;
  transition: color 0.15s ease, background 0.15s ease;
}

.theme-retro .caddo-link:hover {
  color: #fff !important;
  background: var(--retro-red);
  padding: 0.1rem 0.25rem;
  text-decoration: none;
}

.theme-retro .quick-link-item.accent-link:hover {
  background: var(--retro-red) !important;
  color: #fff !important;
  border-color: var(--retro-red);
}

.theme-retro .quick-link-item.archive-link-item:hover {
  background: var(--retro-amber) !important;
  color: #fff !important;
  border-color: var(--retro-amber);
}

/* Main page panel */
.theme-retro #page-content {
  background: var(--retro-paper);
  border-left: 2px solid var(--retro-blue);
  border-right: 2px solid var(--retro-blue);
}

.theme-retro main {
  max-width: 1060px;
  padding: 2rem 1.75rem;
}

.theme-retro .home-shell {
  max-width: 1060px;
}

/* Homepage layout */
.theme-retro .home-main {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(420px, 1.55fr);
  gap: 1.25rem 1.6rem;
  max-width: 1060px;
}

.theme-retro .intro-block {
  grid-column: 1;
  margin-bottom: 0;
}

.theme-retro .monthly-block {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin-bottom: 0;
}

.theme-retro .links-block {
  grid-column: 1 / -1;
  border-top: 2px solid var(--retro-blue);
  padding-top: 1rem;
}

/* Typography */
.theme-retro h1,
.theme-retro h2,
.theme-retro h3,
.theme-retro .monthly-label,
.theme-retro .links-label {
  color: var(--retro-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.theme-retro .intro-block h1,
.theme-retro .intro-block .home-title {
  color: #111;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 1.35rem;
}

.theme-retro p {
  color: #222;
}

/* Status */
.theme-retro .status-row {
  border-top: 1px solid #111;
  padding-top: 1rem;
}

.theme-retro .status-dot {
  background: #008040;
  box-shadow: none;
  animation: none;
}

.theme-retro .status-link {
  color: #008040;
  font-weight: 700;
}

/* Monthly image */
.theme-retro .monthly-frame {
  position: relative;
  padding: 0.55rem;
  background: #fff;
  border: 3px double #111;
  overflow: hidden;
}

.theme-retro .monthly-frame img {
  filter: saturate(0.72) contrast(1.18) brightness(1.04) sepia(0.12);
}

.theme-retro .monthly-frame::after {
  content: "";
  position: absolute;
  inset: 0.55rem;
  pointer-events: none;
  background:
    radial-gradient(rgba(0,0,0,0.28) 0.55px, transparent 0.68px),
    repeating-linear-gradient(90deg, rgba(0,0,128,0.08) 0 1px, rgba(143,31,47,0.06) 1px 2px, rgba(154,90,23,0.05) 2px 3px);
  background-size: 3px 3px, 6px 100%;
  mix-blend-mode: multiply;
  opacity: 0.42;
}

.theme-retro .monthly-caption {
  color: #111;
  font-size: 0.9rem;
}

/* Quick links as old form controls */
.theme-retro .links-grid {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.theme-retro .link-item {
  background: #f6f6f6;
  color: #111;
  border: 1px solid #777;
  box-shadow:
    inset 2px 2px #fff,
    inset -2px -2px #8d8d8d;
}

.theme-retro .link-item:hover {
  background: var(--highlight);
  border-color: var(--retro-blue);
}

/* Dropdowns */
.theme-retro .cs-trigger {
  background: #d7d7d7;
  color: #111;
  border: 1px solid #777;
  box-shadow:
    inset 2px 2px #fff,
    inset -2px -2px #8d8d8d;
  font-family: "Courier New", "Lucida Console", monospace;
}

.theme-retro .cs-trigger:hover {
  border-color: var(--retro-blue);
}

.theme-retro .cs-trigger[data-name="theme"] {
  background: var(--retro-blue);
  color: #fff;
  border: 2px solid #05053d;
  box-shadow:
    inset 2px 2px #8aa0ff,
    inset -2px -2px #05053d;
}

.theme-retro .cs-trigger[data-name="theme"]:hover {
  background: var(--retro-red);
  border-color: #4f1019;
}

.theme-retro .cs-options {
  background: var(--retro-paper);
  color: #111;
  border: 1px solid #777;
  box-shadow:
    inset 1px 1px #fff,
    2px 2px 0 rgba(0, 0, 0, 0.2);
}

.theme-retro .cs-option {
  color: #111;
}

.theme-retro .cs-option:hover,
.theme-retro .cs-option.is-active {
  background: var(--retro-blue);
  color: #fff;
}

/* Footer */
.theme-retro .footer {
  margin-bottom: 1rem;
  background: var(--retro-paper);
  border: 2px solid var(--retro-blue);
  border-top: 1px solid var(--retro-blue);
  color: #111;
}

.theme-retro .footer::after {
  content: "   IBM";
  float: right;
  color: var(--retro-blue);
  font-weight: 900;
  letter-spacing: 0.08em;
}

/* Other pages */
.theme-retro .about-section,
.theme-retro .gallery-year-section,
.theme-retro .commit-item,
.theme-retro .gallery-item,
.theme-retro .section-toggle,
.theme-retro .section-content {
  background: var(--retro-paper);
  border-color: #111;
}

/* About bio - Retro treatment */
.theme-retro .about-bio {
  padding: 1.4rem 1.5rem;
  background: var(--retro-paper);
  border: 2px solid var(--retro-blue);
  box-shadow: inset 1px 1px #fff, 2px 2px 0 rgba(0, 0, 0, 0.18);
}

.theme-retro .about-bio-portrait {
  width: 132px;
  height: 132px;
  background: #fff;
  border: 1px solid #777;
  box-shadow:
    inset 2px 2px #9a9a9a,
    inset -1px -1px #fff;
  image-rendering: pixelated;
}

.theme-retro .about-bio-portrait-img {
  filter: saturate(0.78) contrast(1.12) sepia(0.18);
}

.theme-retro .about-bio-portrait-fallback {
  color: var(--retro-blue);
  font-family: "Courier New", "Lucida Console", monospace;
  font-weight: 700;
}

.theme-retro .about-bio-name {
  color: #111;
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.theme-retro .about-bio-tagline {
  color: var(--retro-blue);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.theme-retro .about-bio-location {
  color: var(--retro-blue);
  font-weight: 700;
}

.theme-retro .about-bio-location-icon {
  color: var(--retro-blue);
}

.theme-retro .about-bio-bullets li {
  color: #111;
}

.theme-retro .about-bio-bullets li::before {
  background: var(--retro-blue);
  border-radius: 0;
}

.theme-retro .about-bio-quote {
  border-left: 2px solid var(--retro-blue);
  color: #222;
}

.theme-retro .about-bio-skills-label {
  color: var(--retro-blue);
}

.theme-retro .about-bio-tags li {
  background: #d6d6d6;
  color: #111;
  border: 1px solid #777;
  box-shadow: inset 2px 2px #fff, inset -2px -2px #8d8d8d;
}

.theme-retro .about-section-header,
.theme-retro .gallery-year-toggle,
.theme-retro .section-toggle,
.theme-retro .commit-hash {
  background: var(--highlight);
  color: var(--retro-blue);
}

/* Mobile: no fake browser chrome, keep the theme practical */
@media (max-width: 760px) {
  .retro-browser-chrome {
    display: none;
  }

  .theme-retro #site-header,
  .theme-retro #page-content,
  .theme-retro #site-footer {
    width: 100%;
  }

  .theme-retro .header {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "controls"
      "holiday";
  }

  .theme-retro .header-controls {
    justify-self: stretch;
  }

  .theme-retro .home-main {
    display: block;
  }

  .theme-retro .monthly-block,
  .theme-retro .intro-block,
  .theme-retro .links-block {
    margin-bottom: 2rem;
  }

  .theme-retro .links-grid {
    grid-template-columns: 1fr;
  }

  .theme-retro .nav a::before,
  .theme-retro .nav a::after {
    content: "";
  }
}