/* ==========================================================================
   Terminal UI components — shared across the whole site.
   Uses the HTB palette from htb.css. Behaviour: assets/js/terminal.js

   .term-heading   page/section heading with a typed shell prompt
   .term-panel     terminal-window panel (accent glow, grid, spotlight)
   .term-bar       window title bar (traffic lights + path)
   .term-head      icon tile + title + outlined count
   .term-chip      tool/item tile with a tinted logo
   .term-tag       small monospace pill (tags, dates)
   [data-reveal]   fades in when scrolled into view
   ========================================================================== */

:root {
  --term-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

/* ---------- Heading + prompt ---------- */

.term-heading {
  margin: 0 0 1.5rem;
}

.term-eyebrow {
  font-family: var(--term-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--htb-muted);
  margin: 0 0 0.35rem;
}

.term-heading__title,
.markdown-body .term-heading__title {
  margin: 0 0 0.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.term-prompt {
  font-family: var(--term-mono);
  font-size: 0.9rem;
  margin: 0 0 0.5rem;
  color: var(--htb-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-prompt__user { color: var(--htb-green); }
.term-prompt__sep { color: var(--htb-muted); }
.term-prompt__cwd { color: var(--htb-blue); }
.term-prompt__dollar { color: var(--htb-muted); margin: 0 0.5ch 0 0.25ch; }

.term-prompt__cmd {
  display: inline-block;
  vertical-align: bottom;
  overflow: hidden;
  white-space: nowrap;
}

.term-prompt__cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--htb-green);
  animation: term-blink 1s step-end infinite;
}

.term-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  font-size: 0.85rem;
  color: var(--htb-muted);
  margin: 0;
}

.term-summary strong {
  color: var(--htb-heading);
  font-variant-numeric: tabular-nums;
}

.term-summary__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--htb-border);
}

@keyframes term-type { from { width: 0; } }
@keyframes term-blink { 50% { opacity: 0; } }

/* ---------- Panel ---------- */

.term-panel {
  --accent: var(--htb-green);
  --mx: 50%;
  --my: 0%;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  border: 1px solid var(--htb-border);
  background:
    radial-gradient(120% 70% at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    var(--htb-surface);
  color: var(--htb-text);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Fine grid texture, fading out downwards */
.term-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  max-height: 420px;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 9%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 9%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  pointer-events: none;
}

/* Spotlight that follows the pointer (position set by terminal.js) */
.term-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(380px circle at var(--mx) var(--my),
              color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.term-panel:hover,
.term-panel[open] {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--htb-border));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent),
    0 18px 50px -24px color-mix(in srgb, var(--accent) 55%, transparent);
}

.term-panel:hover::after {
  opacity: 1;
}

a.term-panel,
a.term-panel:hover {
  text-decoration: none;
  color: var(--htb-text);
}

/* ---------- Title bar ---------- */

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  padding: 0.55rem 0.9rem;
  background: color-mix(in srgb, var(--htb-bg-deep) 85%, transparent);
  border-bottom: 1px solid var(--htb-border);
  font-family: var(--term-mono);
  font-size: 0.75rem;
  color: var(--htb-muted);
}

.term-lights {
  display: inline-flex;
  gap: 6px;
  flex-shrink: 0;
}

.term-lights i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.term-lights i:nth-child(1) { background: #ff5f57; }
.term-lights i:nth-child(2) { background: #febc2e; }
.term-lights i:nth-child(3) { background: #28c840; }

.term-path {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.term-path::before {
  content: "❯ ";
  color: var(--accent);
}

.term-bar__end {
  margin-left: auto;
  flex-shrink: 0;
  white-space: nowrap;
}

/* ---------- Heading row ---------- */

.term-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.1rem 0.9rem;
  min-width: 0;
}

.term-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 11px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent),
              0 0 24px -6px color-mix(in srgb, var(--accent) 60%, transparent);
  font-size: 1.05rem;
  font-family: var(--term-mono);
  font-weight: 700;
}

.term-title,
.markdown-body .term-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--htb-heading);
  min-width: 0;
}

.term-sub {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--htb-muted);
  margin-top: 0.15rem;
}

.term-count {
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--term-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--accent) 70%, transparent);
  font-variant-numeric: tabular-nums;
}

.term-body {
  padding: 0 1.1rem 1.1rem;
}

/* ---------- Chips ---------- */

.term-chips,
.markdown-body .term-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 0.6rem;
}

.term-chip {
  --c: var(--accent, var(--htb-green));
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--htb-border);
  background: color-mix(in srgb, var(--htb-bg-deep) 70%, transparent);
  color: var(--htb-heading);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

a.term-chip,
a.term-chip:hover {
  text-decoration: none;
  color: var(--htb-heading);
}

.term-chip:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--c) 65%, transparent);
  background: color-mix(in srgb, var(--c) 9%, var(--htb-bg-deep));
  box-shadow: 0 10px 26px -14px var(--c);
}

.term-chip__logo {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 8px;
  position: relative;
  display: grid;
  place-items: center;
  color: var(--c);
  font-size: 0.85rem;
  background: color-mix(in srgb, var(--c) 14%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 28%, transparent);
}

/* Logo from an SVG URL (--logo), tinted with the chip colour */
.term-chip__logo[style*="--logo"]::before {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--c);
  -webkit-mask: var(--logo) center / contain no-repeat;
          mask: var(--logo) center / contain no-repeat;
}

.term-chip__name {
  font-size: 0.88rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

/* ---------- Tags ---------- */

.term-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.term-tag,
.markdown-body a.term-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--term-mono);
  font-size: 0.75rem;
  line-height: 1;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent, var(--htb-green)) 40%, var(--htb-border));
  background: color-mix(in srgb, var(--accent, var(--htb-green)) 8%, transparent);
  color: var(--accent, var(--htb-green));
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.term-tag::before {
  content: "#";
  opacity: 0.6;
}

.term-tag--plain::before {
  content: none;
}

a.term-tag:hover,
.markdown-body a.term-tag:hover {
  background: var(--accent, var(--htb-green));
  color: var(--htb-bg);
  text-decoration: none;
}

.markdown-body a.term-tag::after {
  content: none !important;
}

/* ---------- Timeline ---------- */

.term-timeline,
.markdown-body .term-timeline {
  list-style: none;
  margin: 0;
  padding-top: 1.25rem;
  padding-left: 2.6rem;
  position: relative;
}

/* Vertical rail */
.term-timeline::before {
  content: "";
  position: absolute;
  left: 1.6rem;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 10%, transparent));
}

.term-timeline__item {
  position: relative;
  padding: 0 0 1.4rem 0.4rem;
}

.term-timeline__item + .term-timeline__item {
  padding-top: 1.2rem;
  border-top: 1px dashed var(--htb-border);
}

/* Node on the rail */
.term-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1rem - 7px);
  top: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--htb-bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent),
              0 0 14px color-mix(in srgb, var(--accent) 55%, transparent);
}

.term-timeline__item + .term-timeline__item::before {
  top: 1.5rem;
}

.term-timeline__date {
  margin-bottom: 0.5rem;
}

.term-timeline .term-title {
  margin-bottom: 0.6rem;
}

.term-timeline__tags .term-tag {
  color: var(--htb-text);
  border-color: var(--htb-border);
  background: color-mix(in srgb, var(--htb-bg-deep) 70%, transparent);
  white-space: normal;
  line-height: 1.3;
}

.term-timeline__item:last-child {
  padding-bottom: 0.25rem;
}

/* ---------- Media (image under the title bar) ---------- */

.term-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--htb-border);
  background: var(--htb-bg-deep);
}

.term-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.6s ease;
}

.term-panel:hover .term-media img {
  transform: scale(1.04);
}

.project-card .term-head {
  padding-bottom: 0.6rem;
}

.project-card__desc {
  color: var(--htb-text);
  margin-bottom: 0.9rem;
}

/* ---------- Post pages ---------- */

.markdown-body .post-tags {
  margin: -0.5rem 0 2rem;
  padding: 0;
}

.post-content {
  padding-top: 1.5rem;
  border-top: 1px solid var(--htb-border);
}

.post-content > h2:first-child,
.post-content > h1:first-child {
  margin-top: 0;
}

/* ---------- Tags page ---------- */

.markdown-body .tags-index {
  margin: 0 0 1.75rem;
  padding: 0;
}

.tags-grid {
  align-items: start;
}

.tags-grid .term-panel {
  scroll-margin-top: 1.5rem;
}

.tags-grid .term-panel:target {
  border-color: var(--accent);
}

.markdown-body .tag-posts {
  list-style: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.markdown-body .tag-posts .term-chip::after {
  content: none !important;
}

.markdown-body .tag-posts .term-chip {
  display: flex;
}

/* ---------- Home ---------- */

.home__avatar {
  max-width: 220px;
  margin-left: auto;
  margin-right: auto;
}

.home__avatar .circle-image {
  box-shadow:
    0 0 0 3px var(--htb-bg),
    0 0 0 5px var(--htb-green),
    0 0 40px -4px rgba(159, 239, 0, 0.55);
}

.home .term-heading {
  margin: 1.75rem 0 1rem;
}

.home .term-prompt {
  display: inline-block;
  max-width: 100%;
}

.home__lead {
  color: var(--htb-text);
  max-width: 34rem;
  margin: 0 auto 1.75rem;
}

.home__links {
  grid-template-columns: repeat(3, 1fr);
  text-align: left;
}

@media (max-width: 575.98px) {
  .home .home__links {
    grid-template-columns: 1fr;
  }
}

/* ---------- Grid helper ---------- */

.term-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
}

/* ---------- Code blocks get a terminal title bar ---------- */

.markdown-body div.highlighter-rouge {
  position: relative;
  margin-bottom: 1.6em;
  border: 1px solid var(--htb-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--htb-bg-deep);
}

.markdown-body div.highlighter-rouge::before {
  content: "";
  display: block;
  height: 30px;
  border-bottom: 1px solid var(--htb-border);
  background:
    radial-gradient(circle at 16px 15px, #ff5f57 5px, transparent 5.5px),
    radial-gradient(circle at 32px 15px, #febc2e 5px, transparent 5.5px),
    radial-gradient(circle at 48px 15px, #28c840 5px, transparent 5.5px),
    color-mix(in srgb, var(--htb-surface) 70%, transparent);
}

.markdown-body div.highlighter-rouge pre,
.markdown-body div.highlighter-rouge .highlight {
  margin: 0;
  border: 0 !important;
  border-radius: 0;
  background: transparent !important;
}

/* ---------- Scroll reveal (only when terminal.js runs) ---------- */

.term-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease var(--d, 0s), transform 0.6s ease var(--d, 0s),
              border-color 0.3s ease, box-shadow 0.3s ease;
}

.term-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.term-js [data-reveal] .term-chip {
  opacity: 0;
  transform: translateY(8px) scale(0.97);
}

.term-js [data-reveal].is-in .term-chip {
  opacity: 1;
  transform: none;
  transition: opacity 0.45s ease calc(0.15s + var(--i, 0) * 45ms),
              transform 0.45s ease calc(0.15s + var(--i, 0) * 45ms),
              border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.term-js [data-reveal].is-in .term-chip:hover {
  transform: translateY(-3px);
  transition-delay: 0s;
}

/* Typing effect: runs once the heading is revealed */
.term-js [data-reveal] .term-prompt__cmd {
  width: 0;
}

.term-js [data-reveal].is-in .term-prompt__cmd {
  width: calc(var(--n, 12) * 1ch);
  animation: term-type calc(var(--n, 12) * 80ms) steps(var(--n, 12), end) 0.2s both;
}

/* ---------- Small screens ---------- */

@media (max-width: 575.98px) {
  .term-chips,
  .markdown-body .term-chips {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .term-head {
    padding: 1rem 0.8rem 0.8rem;
  }

  .term-body {
    padding: 0 0.8rem 0.9rem;
  }

  .term-chip {
    gap: 0.45rem;
    padding: 0.45rem 0.5rem;
  }

  .term-chip__logo {
    width: 26px;
    height: 26px;
  }

  .term-chip__logo[style*="--logo"]::before {
    inset: 5px;
  }

  .term-chip__name {
    font-size: 0.8rem;
  }

  .term-count {
    font-size: 1.3rem;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .term-prompt__cursor {
    animation: none;
  }

  .term-js [data-reveal],
  .term-js [data-reveal] .term-chip {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .term-js [data-reveal] .term-prompt__cmd,
  .term-js [data-reveal].is-in .term-prompt__cmd {
    width: auto;
    animation: none;
  }

  .term-chip:hover,
  .term-js [data-reveal].is-in .term-chip:hover {
    transform: none;
  }
}