/* SKLS - phosphor green CRT terminal */
:root {
  --bg: #020703;
  --panel: #04120a;
  --green: #33ff66;
  --green-dim: #1a9944;
  --green-faint: #0d5c2a;
  --amber: #ffb000;
  --glow: 0 0 6px rgba(51, 255, 102, 0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { background: var(--bg); }

body {
  font-family: "Cascadia Mono", "Consolas", "IBM Plex Mono", "Courier New", monospace;
  color: var(--green);
  font-size: 14px;
  line-height: 1.5;
  text-shadow: var(--glow);
}

a { color: var(--green); }
a:hover { color: var(--amber); text-shadow: 0 0 6px rgba(255, 176, 0, 0.6); }

.crt {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 64px;
  position: relative;
}

/* scanlines + vignette */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.22) 0px, rgba(0,0,0,0.22) 1px, transparent 1px, transparent 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
  z-index: 9;
  animation: flicker 4s infinite;
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  97% { opacity: 1; }
  98% { opacity: 0.92; }
  99% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .scanlines { animation: none; }
  .cursor { animation: none; }
}

.banner {
  font-size: 12px;
  line-height: 1.15;
  color: var(--green);
  overflow-x: auto;
}
.tagline { margin-top: 8px; color: var(--green-dim); }
.sysline { color: var(--green-faint); font-size: 12px; margin-top: 2px; }

.tabs { margin: 22px 0 10px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.tab {
  background: none; border: none; cursor: pointer;
  font: inherit; color: var(--green-dim); text-shadow: none;
  padding: 2px 0;
}
.tab.active { color: var(--green); text-shadow: var(--glow); }
.tab:hover { color: var(--amber); }
.tab-hint { margin-left: auto; color: var(--green-faint); font-size: 12px; }

.promptline {
  display: flex; align-items: center;
  background: var(--panel);
  border: 1px solid var(--green-faint);
  padding: 8px 10px;
}
.ps1 { color: var(--green-dim); margin-right: 8px; white-space: nowrap; }
.cmd { color: var(--green-faint); }
#q {
  flex: 1; background: none; border: none; outline: none;
  font: inherit; color: var(--green); text-shadow: var(--glow);
  caret-color: transparent;
}
.cursor {
  width: 8px; height: 16px; background: var(--green);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.filters { margin: 10px 0 4px; display: flex; flex-wrap: wrap; gap: 6px 10px; font-size: 12px; }
.chip {
  background: none; border: none; cursor: pointer; font: inherit; font-size: 12px;
  color: var(--green-faint); text-shadow: none; padding: 0;
}
.chip.on { color: var(--amber); }
.chip:hover { color: var(--green); }

table { width: 100%; border-collapse: collapse; margin-top: 8px; }
thead th {
  text-align: left; color: var(--green-dim); font-weight: normal;
  border-bottom: 1px solid var(--green-faint);
  padding: 4px 8px 6px; font-size: 12px; white-space: nowrap;
}
tbody td { padding: 5px 8px; vertical-align: top; }
tbody tr { border-bottom: 1px dotted rgba(13, 92, 42, 0.35); cursor: pointer; }
tbody tr:hover, tbody tr.sel { background: rgba(51, 255, 102, 0.07); }
tbody tr.sel td:first-child::before { content: ">"; color: var(--amber); position: absolute; margin-left: -14px; }

td.rank { color: var(--green-faint); width: 44px; text-align: right; position: relative; }
td.name { white-space: nowrap; max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
td.name .kind { color: var(--green-faint); font-size: 11px; margin-left: 6px; }
td.desc { color: var(--green-dim); text-shadow: none; }
td.metric { text-align: right; white-space: nowrap; color: var(--amber); text-shadow: none; width: 90px; }
td.cat { color: var(--green-faint); white-space: nowrap; font-size: 12px; }

.empty { margin: 24px 0; color: var(--green-dim); }
.more {
  display: block; margin: 18px auto; background: none; cursor: pointer;
  border: 1px solid var(--green-faint); color: var(--green-dim);
  font: inherit; padding: 6px 18px;
}
.more:hover { color: var(--amber); border-color: var(--amber); }

footer { margin-top: 40px; color: var(--green-faint); font-size: 12px; }
footer .rule { color: var(--green-faint); }
footer a { color: var(--green-dim); }
.dim { opacity: 0.7; }

@media (max-width: 640px) {
  .banner { font-size: 8px; }
  td.desc { display: none; }
  thead th.desc { display: none; }
}

/* ---- boot overlay ---- */
#boot {
  position: fixed; inset: 0; z-index: 50;
  background: var(--bg);
  padding: 48px 32px;
  transition: opacity 0.4s;
  cursor: pointer;
}
#boot.off { opacity: 0; pointer-events: none; }
#boot pre {
  font-family: inherit; font-size: 14px; color: var(--green);
  text-shadow: var(--glow); line-height: 1.7;
}
#boot pre::after { content: "█"; animation: blink 0.8s steps(1) infinite; }
#boot pre { opacity: 0; animation: boot-text-in 0.01s 0.55s forwards; }
@keyframes boot-text-in { to { opacity: 1; } }

/* CRT power-on: bright line collapses open vertically */
#tube {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(210, 255, 225, 0.98) 0%, rgba(51, 255, 102, 0.85) 45%, rgba(51, 255, 102, 0.25) 75%, transparent 100%);
  transform-origin: 50% 50%;
  animation: tube-on 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
@keyframes tube-on {
  0%   { transform: scaleY(0.004) scaleX(0.35); opacity: 1; filter: brightness(3); }
  35%  { transform: scaleY(0.004) scaleX(1);    opacity: 1; filter: brightness(4); }
  55%  { transform: scaleY(0.6)  scaleX(1);     opacity: 0.7; filter: brightness(2); }
  80%  { transform: scaleY(1.1)  scaleX(1);     opacity: 0.35; filter: brightness(1.4); }
  100% { transform: scaleY(1.3)  scaleX(1);     opacity: 0; }
}

/* glitch tear bands during warm-up */
#glitch {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0px, transparent 7px, rgba(51, 255, 102, 0.16) 7px, rgba(51, 255, 102, 0.16) 9px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.05) 0 2px, transparent 2px 5px);
  animation: glitch-bands 0.55s steps(6) 0.1s forwards;
}
@keyframes glitch-bands {
  0%   { opacity: 0.9; transform: translateY(0) skewX(0deg); clip-path: inset(0 0 62% 0); }
  18%  { opacity: 0.7; transform: translateY(-14px) skewX(2deg); clip-path: inset(30% 0 22% 0); }
  36%  { opacity: 0.8; transform: translateY(9px) skewX(-3deg); clip-path: inset(64% 0 8% 0); }
  54%  { opacity: 0.5; transform: translateY(-5px) skewX(1.5deg); clip-path: inset(12% 0 70% 0); }
  72%  { opacity: 0.6; transform: translateY(16px) skewX(-1deg); clip-path: inset(46% 0 38% 0); }
  90%  { opacity: 0.25; transform: translateY(-2px) skewX(0.5deg); clip-path: inset(78% 0 2% 0); }
  100% { opacity: 0; }
}

/* phosphor warm-up on the page itself */
.crt.warming { animation: warmup 1.6s ease-out forwards; }
@keyframes warmup {
  0%   { filter: brightness(1.7) blur(1.2px) saturate(1.6); }
  25%  { filter: brightness(0.85) blur(0.7px) saturate(1.25); }
  45%  { filter: brightness(1.25) blur(0.4px); }
  70%  { filter: brightness(0.96) blur(0.2px); }
  100% { filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  #tube, #glitch { animation: none; opacity: 0; }
  #boot pre { animation: none; opacity: 1; }
  .crt.warming { animation: none; }
}

/* ---- brand ---- */
.tld { color: var(--amber); text-shadow: 0 0 6px rgba(255, 176, 0, 0.5); }
.tab.util { font-size: 12px; }

/* ---- scroll reveal ---- */
tbody tr.row { opacity: 0; transform: translateY(6px); transition: opacity 0.35s, transform 0.35s; }
tbody tr.row.vis { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  tbody tr.row { opacity: 1; transform: none; transition: none; }
}

/* ---- dividers ---- */
tr.divider td { padding: 10px 8px; cursor: default; }
tr.divider pre { color: var(--green-faint); text-shadow: none; font-size: 12px; text-align: center; overflow: hidden; }
tr.divider:hover { background: none; }

/* ---- detail expand ---- */
tbody tr.expanded { background: rgba(51, 255, 102, 0.09); }
tr.detail td { padding: 2px 8px 12px; cursor: default; }
tr.detail:hover { background: none; }
.detail-box { border-left: 1px solid var(--green-faint); margin-left: 20px; padding: 4px 0 4px 0; }
.detail-box p { color: var(--green-dim); text-shadow: none; font-size: 13px; padding: 1px 0; white-space: pre-wrap; word-break: break-word; }
.detail-box .dk { color: var(--green-faint); }
.detail-box .amber { color: var(--amber); }
.detail-box a { color: var(--green); }
.detail-frame { color: var(--green-faint); font-size: 12px; overflow: hidden; }

/* ---- ambient jolt ---- */
.crt.jolt { animation: jolt 0.13s steps(2); }
@keyframes jolt {
  0% { transform: translateY(0); opacity: 1; }
  40% { transform: translateY(1.5px) skewX(0.15deg); opacity: 0.88; }
  100% { transform: translateY(0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .crt.jolt { animation: none; } }

/* ---- directory (ls) view ---- */
#dirview { margin: 14px 0 4px; }
.ls-cmd { color: var(--green-dim); font-size: 13px; margin-bottom: 8px; }
.ls-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 2px 18px;
}
.folder {
  background: none; border: none; cursor: pointer; text-align: left;
  font: inherit; font-size: 13px; color: var(--green);
  padding: 3px 4px; white-space: pre;
}
.folder:hover { background: rgba(51, 255, 102, 0.08); color: var(--amber); }
.folder .fpad { white-space: pre; }
.folder .fcount { color: var(--green-faint); }
.folder:hover .fcount { color: var(--amber); }
.ls-note { color: var(--green-faint); font-size: 12px; margin-top: 10px; }

tr.back td { color: var(--amber); }
tr.back td.desc { color: var(--green-faint); }

.catlink {
  background: none; border: none; cursor: pointer; padding: 0;
  font: inherit; font-size: 12px; color: var(--green-faint); text-shadow: none;
}
.catlink:hover { color: var(--amber); text-decoration: underline; }

.filters .hint { color: var(--green-faint); font-size: 12px; }
.chip.other { color: var(--amber); }

/* ---- footer art ---- */
.ascii-footer { color: var(--green-faint); font-size: 11px; text-shadow: none; margin-bottom: 14px; overflow-x: auto; }