/* Hacker Dudes — shared design system (mockup) */

:root {
  --bg: #0a0e11;           /* cold blue-black */
  --bg2: #0d1317;
  --panel: #101820;
  --rule: #1c2b33;
  --ink: #a8c9d2;          /* steel-blue body */
  --ink-dim: #5d8a94;
  --sys: #3ec6d0;          /* cyan — system accent */
  --sys-dim: #256f78;
  --gack: #ffb000;         /* amber — gack's voice only */
  --gack-dim: #9a7014;
  --rail: rgba(62,198,208,0.3);
  --warn: #c14f36;
  --up: #8fae62;           /* rank climbing */
  --ghost: #3d4a50;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: var(--mono);
}

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

html { background: var(--bg); font-size: 17px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.45;
  min-height: 100vh;
  overflow-x: hidden;
}

/* film grain + vignette — the grit */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 90;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 91;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--sys); }

/* ── variant switcher (mockup chrome, not site design) ─────────── */
.switcher {
  position: fixed; top: 10px; right: 12px; z-index: 200;
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em;
  background: rgba(13,11,8,0.85); border: 1px solid var(--rule);
  padding: 5px 10px;
}
.switcher a { color: var(--ink-dim); margin: 0 6px; }
.switcher a.on, .switcher a:hover { color: var(--sys); }

/* ── header / ticker ──────────────────────────────────────────── */
.hdr {
  border-bottom: 1px solid var(--rule);
  padding: 14px 20px 10px;
  position: relative;
  z-index: 5;
}
a.brand {
  font-family: var(--mono);
  color: var(--sys);
  text-decoration: none;
  font-size: 1.2rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  text-shadow: 0 0 14px rgba(62,198,208,0.45);
}
.brand small { color: var(--ink-dim); font-size: 0.65rem; letter-spacing: 0.2em; margin-left: 12px; }

.ticker {
  display: flex; gap: 26px;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  color: var(--ink-dim); text-transform: uppercase;
  margin-top: 8px;
}
.ticker b { color: var(--sys); font-weight: normal; }

/* ── verdict ──────────────────────────────────────────────────── */
.verdict {
  font-family: var(--mono);
  font-size: 0.79rem;
  letter-spacing: 0.05em;
  color: var(--gack);
  padding: 10px 20px;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(255,176,0,0.05), transparent);
  position: relative;
  z-index: 5;
}
.verdict::before { content: "GACK // "; color: var(--gack-dim); }

/* ── deck nav — inline with ticker, right on desktop / wraps below on mobile */
.hdrline {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 8px 24px; flex-wrap: wrap;
}
.deck {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.deck .lbl { color: var(--ink-dim); margin-right: 4px; }
.deck a { color: var(--ink-dim); text-decoration: none; }
.deck a:hover { color: var(--sys); }
.deck a.on { color: var(--sys); }

/* ── list rows (shared base) ──────────────────────────────────── */
.feed { position: relative; z-index: 5; }
.row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 7px 20px;
  border-bottom: 1px solid rgba(94,138,148,0.14);
}
.rank {
  display: flex; align-items: center; justify-content: flex-end; gap: 6px;
  font-family: var(--mono); color: var(--sys-dim); font-size: 0.76rem;
}
.title { font-size: 1rem; }
.dom { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-dim); letter-spacing: 0.06em; margin-left: 8px; }
.meta { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-dim); letter-spacing: 0.05em; white-space: nowrap; }
.meta i { font-style: normal; margin: 0 4px; }
.meta a.c-link { color: var(--sys-dim); border-bottom: 1px dotted var(--sys-dim); }
.meta a.c-link:hover { color: var(--sys); border-bottom-color: var(--sys); }
.vel.up { color: var(--up); }
.vel.down { color: var(--warn); }
.vel.flat { color: var(--ink-dim); }

.gack {
  grid-column: 2 / 4;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--gack-dim);
  letter-spacing: 0.03em;
}
.gack::before { content: "gack» "; color: rgba(255,176,0,0.3); }

.spooled {
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.15em;
  color: var(--bg); background: var(--gack-dim);
  padding: 1px 5px; margin-left: 8px;
  vertical-align: 2px;
}

/* reader state (localStorage) */
.row.sel { background: rgba(62,198,208,0.06); }
.row.read .title a { color: var(--ink-dim); }
.row.bm .title::after { content: " ♦"; color: var(--sys); }
.row.hid { display: none; }

/* ghost / dead item — a construct */
.row.ghost { opacity: 0.4; }
.row.ghost .title, .row.ghost .title a { color: var(--ghost); }
.row.ghost .deadtag {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em;
  color: var(--ink-dim); margin-left: 8px;
}

/* degraded feed — snapshot older than STALE_MS */
.feed.stale { opacity: 0.55; }
.feed.stale::before {
  content: "-- snapshot stale. upstream silent. --";
  display: block;
  padding: 8px 20px;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  color: var(--warn);
}

/* total signal loss — no snapshot at all */
.carrier {
  padding: 60px 20px;
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.08em;
  color: var(--gack-dim); white-space: pre-wrap;
}

/* ── footer signature ─────────────────────────────────────────── */
.ftr {
  margin-top: 40px;
  border-top: 1px solid var(--rule);
  padding: 16px 20px 60px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  position: relative;
  z-index: 5;
}
.ftr .sig { color: var(--gack-dim); white-space: pre; font-variant-numeric: tabular-nums; }

/* ══════════════ V1 — AMBIENT MATRIX ═══════════════════════════ */
.v1 .lattice {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(62,198,208,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62,198,208,0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 70%, transparent 100%);
}
.v1 .lattice::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 20%, rgba(62,198,208,0.05), transparent 45%);
}
.v1 .row:hover { background: rgba(62,198,208,0.04); }

/* ══════════════ V2 — EMBEDDED GEOMETRY ════════════════════════ */
.v2 .feed { perspective: 900px; }
.v2 .row {
  grid-template-columns: 60px 1fr auto;
  border-bottom: 1px solid rgba(94,138,148,0.22);
  transform-origin: left center;
}
.mass { display: flex; gap: 2px; }
.mass .ch {
  display: flex; flex-direction: column-reverse; gap: 1px;
}
.mass .ch i {
  width: 5px; height: 2px;
  background: var(--rule);
}
.mass .ch i.on { background: var(--sys-dim); }
.mass .ch i.on:nth-child(2) { background: #2d8a94; }
.mass .ch i.on:nth-child(3) { background: #35a8b2; }
.mass .ch i.on:nth-child(4) { background: var(--sys); }
.mass .ch i.on:nth-child(5) { background: #7fe3ea; }
.ticker .mass { display: inline-flex; vertical-align: middle; margin: 0 2px; }
.v2 .row:nth-child(10n+1) { border-top: 1px solid var(--rule); } /* deca dividers */
.v2 .dom {
  display: inline-block; margin-left: 8px; padding: 0 5px;
  border: 1px solid var(--rule);
}
.v2 .dom.corp-a { color: #7f96b8; border-color: rgba(127,150,184,0.45); }
.v2 .dom.corp-b { color: #6f9a8a; border-color: rgba(111,154,138,0.45); }
.v2 .dom.corp-c { color: #9a8fb0; border-color: rgba(154,143,176,0.45); }
.v2 .gack { grid-column: 2 / -1; }

/* ══════════════ V3 — MATRIX-DOMINANT ══════════════════════════ */
.v3 .matrixfield {
  position: relative;
  height: 300px;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(62,198,208,0.09), transparent 60%);
}
.v3 .blocks { position: absolute; inset: 0; }
.v3 .blk {
  position: absolute; bottom: 0;
  border: 1px solid rgba(62,198,208,0.4);
  border-top-color: rgba(62,198,208,0.7);
  background: linear-gradient(180deg, rgba(62,198,208,0.14), rgba(13,11,8,0.7) 70%);
  font-family: var(--mono); font-size: 0.6rem; color: var(--sys-dim);
  overflow: hidden;
}
.v3 .blk span { position: absolute; top: -16px; left: 0; white-space: nowrap; }
.v3 .matrix-label {
  position: absolute; top: 10px; left: 20px;
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.25em;
  color: var(--ink-dim); text-transform: uppercase;
}
.v3 .feed { background: rgba(13,11,8,0.82); }
.v3 .row { backdrop-filter: none; }

@media (prefers-reduced-motion: no-preference) {
  @keyframes flick { 0%,100% {opacity:1} 50% {opacity:0.55} }
  .v3 .blk.newest { animation: flick 1.4s ease-in-out 1; }
}

/* ══════════════ ITEM / COMMENT THREAD — tree rail ═════════════ */
.story-head {
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 4px 14px;
  align-items: baseline;
}
.story-head .title { font-size: 1.15rem; }
.story-head .sub {
  grid-column: 2 / -1;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--ink-dim);
}
.story-head .sub a { color: var(--sys-dim); }
.story-head .sub a:hover { color: var(--sys); }

.thread { padding: 10px 20px 30px; }

/* each comment: connector elbow up-left, rail continues for siblings */
.comment {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 0.94rem;
}
.kids { position: relative; }
.kids .comment::before {           /* ┌─ elbow */
  content: "";
  position: absolute; left: 0; top: 0;
  width: 12px; height: 0.85em;
  border-left: 1px solid var(--rail);
  border-bottom: 1px solid var(--rail);
}
.kids .comment::after {            /* │ continues to next sibling */
  content: "";
  position: absolute; left: 0; top: 0.85em; bottom: -7px;
  border-left: 1px solid var(--rail);
}
.kids .comment:last-child::after { display: none; }
.kids { margin-left: 20px; }

.comment .cmeta {
  display: flex; gap: 10px; align-items: baseline;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--ink-dim); margin-bottom: 3px;
}
.comment .cmeta .who { color: var(--sys-dim); }
.comment .votes { display: inline-flex; gap: 5px; }
.vote { color: var(--sys-dim); cursor: default; }
.vote.down { color: #24333a; }
.comment .ctext { color: var(--ink); max-width: 70em; overflow-wrap: anywhere; }
.comment .ctext p { margin: 0.5em 0; }
.comment .ctext a { color: var(--sys-dim); text-decoration: underline; }
.comment .ctext i { color: var(--ink-dim); }

/* > quote convention → rail */
.comment .ctext .qt {
  color: var(--ink-dim);
  border-left: 2px solid var(--rail);
  padding-left: 12px;
  margin: 0.5em 0;
}
.comment .ctext .qt .gt { color: var(--sys-dim); margin-right: 0.5em; }

/* <pre> → dim datablock: rules + ▚ DATA tag */
.comment .ctext pre {
  position: relative;
  font-family: var(--mono); font-size: 0.82rem;
  white-space: pre-wrap; overflow-wrap: anywhere;
  margin: 1.1em 0 0.9em;
  padding: 9px 4px;
  color: var(--ink-dim);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.comment .ctext pre::before {
  content: "▚ DATA";
  position: absolute; top: -0.6em; right: 6px;
  font-size: 0.58rem; letter-spacing: 0.22em;
  color: var(--sys-dim); background: var(--bg); padding: 0 6px;
}
.comment.ghost .who, .comment.ghost .ctext { color: var(--ghost); }
.comment.ghost .ctext { font-style: italic; }

/* collapsed subtree marker */
.more {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em;
  color: var(--sys-dim); cursor: pointer;
  margin: 2px 0 6px 20px;
  position: relative;
}
.more::before {
  content: ""; position: absolute; left: -20px; top: 0.7em;
  width: 12px; border-bottom: 1px solid var(--rail);
}
.more:hover { color: var(--sys); }
.more + .kids[hidden] { display: none; }

/* ── narrow screens ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .switcher { display: none; }
  .brand { letter-spacing: 0.25em; }
  .brand small { display: block; margin: 4px 0 0; }
  .ticker { flex-wrap: wrap; gap: 4px 16px; }

  .row, .story-head {
    padding-left: 12px; padding-right: 12px;
    column-gap: 8px;
  }
  .row { grid-template-columns: 30px minmax(0, 1fr); }
  .v2 .row,
  .story-head { grid-template-columns: 46px minmax(0, 1fr); }
  .row > *, .story-head > * { min-width: 0; }
  .v2 .row .rank, .story-head .rank { justify-content: flex-start; }
  .row .meta, .story-head .meta {
    grid-column: 2 / -1; grid-row: 2;
    white-space: normal;
  }
  .row .gack, .story-head .sub { grid-column: 2 / -1; }

  .comment { padding-left: 10px; }
  .kids { margin-left: 9px; }
  .kids .comment::before { width: 8px; }
  .more { margin-left: 9px; }
  .more::before { left: -9px; width: 8px; }

  .ftr { padding-bottom: 40px; }
  .ftr .sig { white-space: pre-wrap; }
}