/* =========================================================
   MIK'S NEXUS — shared stylesheet
   1997-net aesthetic, dark blue/violet palette, digital fonts.
   Shared across index.html / blog.html / about.html / links.html
   ========================================================= */

:root {
  /* --- color tokens --- */
  --bg-void:     #0a0014;
  --bg-deep:     #150029;
  --bg-panel:    #1c0b33;
  --bg-panel-2:  #23103f;

  --blue-neon:   #2f6bff;
  --blue-bright: #4dd0ff;
  --violet-neon: #9d4edd;
  --violet-bright: #c77dff;
  --accent-pink: #ff3ea5;

  --text-main:   #e4dcff;
  --text-dim:    #8f7fb8;
  --border-glow: #4dd0ff;

  /* --- type tokens --- */
  --font-display: 'Press Start 2P', monospace;
  --font-body:    'VT323', monospace;
  --font-jp:      'DotGothic16', sans-serif;
}

/* ---------- reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.5) 0, transparent 100%),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.4) 0, transparent 100%),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,.3) 0, transparent 100%),
    radial-gradient(1px 1px at 90% 15%, rgba(255,255,255,.4) 0, transparent 100%),
    radial-gradient(1px 1px at 55% 45%, rgba(255,255,255,.3) 0, transparent 100%),
    linear-gradient(180deg, var(--bg-void), var(--bg-deep));
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.5;
}
h1, h2, h3 { font-family: var(--font-display); line-height: 1.4; margin: 0 0 .6em; }
h3 { font-size: .85rem; color: var(--blue-bright); }
a { color: var(--blue-bright); text-decoration: none; }
a:hover { color: var(--violet-bright); text-decoration: underline; }
p { margin: 0 0 1em; max-width: 68ch; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

.jp { font-family: var(--font-jp); }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible {
  outline: 2px dashed var(--blue-bright);
  outline-offset: 3px;
}

/* ---------- CRT scanlines overlay ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.035) 0px,
    rgba(255,255,255,.035) 1px,
    transparent 2px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

/* ---------- ticker ---------- */
.ticker {
  overflow: hidden;
  white-space: nowrap;
  background: var(--bg-panel);
  border-bottom: 2px solid var(--violet-neon);
  box-shadow: 0 0 10px rgba(157,78,221,.5);
  padding: .5em 0;
}
.ticker-track {
  display: inline-flex;
  animation: ticker-scroll 28s linear infinite;
}
.ticker-track span {
  padding-right: 2em;
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--blue-bright);
  letter-spacing: .03em;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- layout ---------- */
.page-frame { min-height: 100vh; display: flex; flex-direction: column; }
.layout { display: flex; flex: 1; }
.main-content { flex: 1; margin: 0 auto; padding: 2.5rem 2rem 3rem; max-width: 900px; }

/* ---------- sidebar ---------- */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 2px solid var(--violet-neon);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  overflow: hidden;
  transition: width .25s ease, padding .25s ease, border-color .25s ease;
}
.sidebar > * { transition: opacity .15s ease; }
.page-frame.nav-collapsed .sidebar {
  width: 0;
  padding-left: 0;
  padding-right: 0;
  border-right-color: transparent;
}
.page-frame.nav-collapsed .sidebar > * { opacity: 0; }

.nav-toggle {
  position: fixed;
  top: 3.6rem;
  left: 240px;
  z-index: 1000;
  width: 1.6rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-panel);
  border: 2px solid var(--blue-neon);
  border-left: none;
  color: var(--blue-bright);
  font-family: var(--font-display);
  font-size: .9rem;
  cursor: pointer;
  transition: left .25s ease;
}
.nav-toggle:hover { color: var(--violet-bright); border-color: var(--violet-neon); }
.page-frame.nav-collapsed .nav-toggle { left: 0; }
.logo-block {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  line-height: 1.6;
  text-shadow: 0 0 6px var(--blue-bright);
}
.logo-main { font-size: .8rem; color: var(--blue-bright); }
.logo-sub  { font-size: 1.1rem; color: var(--violet-bright); }

.nav-list li { margin-bottom: .4rem; }
.nav-list a {
  display: block;
  padding: .5rem .6rem;
  font-size: 1.15rem;
  color: var(--text-main);
  border-left: 3px solid transparent;
}
.nav-list a .jp { color: var(--violet-bright); margin-right: .4em; }
.nav-list a:hover,
.nav-list a.active {
  background: var(--bg-panel-2);
  border-left-color: var(--blue-bright);
  color: var(--blue-bright);
  text-decoration: none;
}

.status-box {
  font-size: 1rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: .5em;
  border-top: 1px solid var(--bg-panel-2);
  padding-top: 1rem;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 6px var(--blue-bright);
  animation: blink 1.6s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: .2; } }

.counter-widget { font-size: .95rem; color: var(--text-dim); }
.counter-label { margin: 0 0 .3em; }
.counter-digits {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: .15em;
  color: var(--blue-bright);
  background: var(--bg-void);
  border: 2px solid var(--blue-neon);
  padding: .5em .6em;
  display: inline-block;
  text-shadow: 0 0 6px var(--blue-bright);
}

/* ---------- panels / bordered boxes (90s bevel) ---------- */
.panel {
  background: var(--bg-panel);
  border: 2px solid var(--violet-neon);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.05), 0 0 14px rgba(157,78,221,.25);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: 1.5rem 0 2rem; }
.glitch {
  position: relative;
  display: inline-block;
  font-size: clamp(1.6rem, 5vw, 3rem);
  color: var(--text-main);
  text-shadow: 0 0 8px var(--blue-bright), 0 0 20px var(--violet-neon);
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0; top: 0; width: 100%;
  overflow: hidden;
}
.glitch::before {
  color: var(--blue-bright);
  animation: glitch-1 3.6s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}
.glitch::after {
  color: var(--violet-bright);
  animation: glitch-2 3.1s infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}
@keyframes glitch-1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-2px, -1px); }
}
@keyframes glitch-2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(2px, 1px); }
}
.hero-jp { font-family: var(--font-jp); font-size: 1.3rem; color: var(--violet-bright); margin-top: .8em; }
.hero-tagline { color: var(--text-dim); font-size: 1.15rem; }

/* ---------- section titles ---------- */
.section-title {
  font-size: .95rem;
  color: var(--violet-bright);
  border-bottom: 2px solid var(--violet-neon);
  padding-bottom: .6em;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: .6em;
}
.section-title .jp { font-family: var(--font-jp); font-size: 1.1rem; color: var(--blue-bright); }

/* ---------- post grid / cards ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}
.post-card {
  background: var(--bg-panel);
  border: 2px solid var(--blue-neon);
  padding: 1.25rem 1.4rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 16px rgba(77,208,255,.4);
}
.post-date { color: var(--text-dim); font-size: 1rem; margin-bottom: .5em; }
.post-excerpt { font-size: 1.05rem; }

.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .6rem;
  padding: .4em .6em;
  margin-bottom: .8em;
  border: 1px solid currentColor;
}
.tag .jp { margin-right: .4em; }
.tag-cars         { color: var(--blue-neon); }
.tag-photography  { color: var(--violet-neon); }
.tag-nature       { color: var(--blue-bright); }

/* ---------- buttons (beveled 90s style) ---------- */
.btn-90s {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--bg-void);
  background: var(--blue-bright);
  border: 2px solid var(--text-main);
  border-style: outset;
  padding: .35em .8em;
  margin-top: .5em;
}
.btn-90s:hover { background: var(--violet-bright); text-decoration: none; }
.btn-90s:active { border-style: inset; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 2px solid var(--violet-neon);
  background: var(--bg-panel);
  padding: 1.5rem 2rem;
  text-align: center;
}
.footer-credit { color: var(--text-dim); font-size: .95rem; margin: 0; }

/* ---------- blog: category filters ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2rem;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text-main);
  background: var(--bg-panel);
  border: 2px solid var(--blue-neon);
  padding: .4em .9em;
  cursor: pointer;
}
.filter-btn .jp { color: var(--violet-bright); margin-right: .3em; }
.filter-btn:hover { border-color: var(--violet-neon); color: var(--violet-bright); }
.filter-btn.active {
  background: var(--blue-bright);
  color: var(--bg-void);
  border-color: var(--text-main);
}
.filter-btn.active .jp { color: var(--bg-void); }

/* ---------- blog: article viewer ---------- */
.article-viewer { margin-top: 1rem; }
.article-viewer article {
  background: var(--bg-panel);
  border: 2px solid var(--violet-neon);
  padding: 1.75rem 2rem;
  margin-top: 1rem;
}
.article-viewer article h2 { color: var(--blue-bright); font-size: 1.1rem; margin-top: .8em; }
.article-viewer article p { font-size: 1.1rem; }

.empty-note { color: var(--text-dim); font-size: 1.1rem; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: auto;
    border-right: none;
    border-bottom: 2px solid var(--violet-neon);
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    max-height: 600px;
    transition: max-height .25s ease, padding .25s ease, border-color .25s ease;
  }
  .page-frame.nav-collapsed .sidebar {
    width: auto;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-bottom-color: transparent;
  }
  .nav-toggle {
    left: auto;
    right: .6rem;
    top: .6rem;
    border-left: 2px solid var(--blue-neon);
  }
  .page-frame.nav-collapsed .nav-toggle { left: auto; }
  .nav-list { display: flex; flex-wrap: wrap; gap: .3rem; }
  .nav-list li { margin-bottom: 0; }
  .status-box, .counter-widget { border-top: none; padding-top: 0; }
  .main-content { padding: 1.75rem 1.25rem 2.5rem; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .glitch::before, .glitch::after { animation: none; }
  .status-dot { animation: none; }
  .post-card { transition: none; }
  .sidebar, .sidebar > *, .nav-toggle { transition: none; }
}