/* ============================================================
   System visual — Variant D · "Operator"
   The marketer-grade hero view. Uses tokens from hero.css.
   ============================================================ */

.sysD-outer{ position: relative; width: 100%; }
.sysD-ano{
  position: absolute;
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
  font-weight: 400;
}
.sysD-ano .ln{ height: 1px; background: var(--ghost); width: 32px; display: inline-block; }
.sysD-ano.top-r{ top: -22px; right: 4px; }
.sysD-ano.bot-l{ bottom: -22px; left: 4px; }

.sysD{
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* the $100M tell: a barely-there ring + shadow, like an expensive product */
  box-shadow:
    0 1px 0 var(--line) inset,
    0 24px 48px -24px rgba(23,23,23,0.10),
    0 4px 14px -6px rgba(23,23,23,0.06);
}

/* ===================== HEAD ===================== */
.sysD-head{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  gap: 12px;
}
.sysD-head .id{ display: flex; align-items: center; gap: 8px; color: var(--fg); }
.sysD-head .id .sq{ width: 6px; height: 6px; background: var(--fg); border-radius: 1px; }
.sysD-head .id .brand{ font-weight: 500; }
.sysD-head .id .sep{ color: var(--faint); }
.sysD-head .id .acct{ color: var(--muted); }
.sysD-head .id .ver{ color: var(--faint); }
.sysD-head .meta{ display: flex; align-items: center; gap: 14px; }
.sysD-head .meta .month{ color: var(--muted); }
.sysD-head .meta .live{
  display: inline-flex; align-items: center; gap: 6px; color: var(--fg);
}
.sysD-head .meta .live::before{
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--state-pos);
}

/* ===================== HERO STATS ===================== */
.sysD-stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--canvas-tint) 50%, transparent), transparent 70%);
}
.sysD-stats .stat{
  padding: 22px 22px 18px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.sysD-stats .stat:last-child{ border-right: 0; }

.sysD-stats .stat-top{
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 10px;
  min-height: 44px;
}
.sysD-stats .n{
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.028em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.sysD-stats .stat.pos .n{ color: var(--state-pos); }

.sysD-stats .stat-k{
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--fg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.sysD-stats .stat-row{
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0;
}
.sysD-stats .stat-row .delta{
  color: var(--muted);
}
.sysD-stats .stat.pos .stat-row .delta{ color: var(--state-pos); }

/* sparkline */
.sparkline{
  display: inline-flex; align-items: flex-end; gap: 2px;
  width: 56px; height: 22px;
}
.sparkline .bar{
  width: 5px;
  background: var(--muted-2);
  border-radius: 1px;
  min-height: 2px;
}
.sparkline .bar[data-accent="true"]{ background: var(--state-pos); }

/* ===================== BODY ===================== */
.sysD-body{
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}
.sysD-body .d-left{
  padding: 18px 20px 20px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 12px;
  min-width: 0;
}
.sysD-body .d-right{
  padding: 18px 20px 20px;
  display: flex; flex-direction: column; gap: 12px;
  min-width: 0;
}

.d-sec{
  display: flex; align-items: baseline; justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
}
.d-sec .d-sec-l{ color: var(--fg); }
.d-sec .d-sec-r{
  color: var(--faint);
  font-family: var(--font-mono);
  letter-spacing: 0;
  text-transform: lowercase;
}

/* live asset */
.d-asset{
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
}
.d-thumb{
  position: relative;
  width: 64px; height: 82px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--canvas-tint);
}
.d-thumb .asset-video{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  background: #0e0e0c;
}
.d-thumb .d-badge{
  position: absolute;
  bottom: 5px; left: 5px;
  font-family: var(--font-sans);
  font-size: 8.5px;
  background: rgba(23,23,23,0.78);
  color: #FAFAF8;
  padding: 1.5px 4px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}
.d-asset-meta{ display: flex; flex-direction: column; gap: 4px; }
.d-asset-meta .d-handle{
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.005em;
}
.d-asset-meta .d-asset-sub{
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.d-asset-meta .d-asset-sub .dot{
  width: 2px; height: 2px; border-radius: 50%; background: var(--ghost);
}

/* 7-score rubric */
.d-rubric{
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.d-row{
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 56px 30px 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  gap: 10px;
  font-size: 12px;
  opacity: 0.35;
  transform: translateY(2px);
  transition: opacity .35s ease, transform .35s ease;
}
.d-row.show{ opacity: 1; transform: translateY(0); }
.d-row .d-code{
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0;
}
.d-row .d-k{
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
}
.d-row .d-bar{
  position: relative;
  height: 3px;
  background: var(--line);
  border-radius: var(--r-bar);
  overflow: hidden;
}
.d-row .d-bar i{
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--muted-2);
  border-radius: var(--r-bar);
  transition: width 0.8s cubic-bezier(.6,.05,.2,1);
}
.d-row.sig .d-bar i{ background: var(--state-pos); }
.d-row .d-v{
  text-align: right;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.008em;
  color: var(--fg);
}
.d-row.sig .d-v{ color: var(--state-pos); }
.d-row .d-sig{
  color: var(--state-pos);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: right;
}

/* decision footer */
.d-decision{
  margin-top: 4px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  transition: border-color .3s ease, background .3s ease;
}
.d-decision.live{
  border-color: var(--line-strong);
  background: color-mix(in oklab, var(--state-pos) 4%, var(--surface));
}
.d-decision .d-dec-l{
  font-family: var(--font-sans);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  display: inline-flex; align-items: center; gap: 8px;
}
.d-decision .d-dec-l::before{
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--ghost);
}
.d-decision.live .d-dec-l{ color: var(--muted); }
.d-decision.live .d-dec-l::before{ background: var(--state-pos); }
.d-decision .d-dec-v{
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 400;
  letter-spacing: -0.012em;
  color: var(--fg);
}
.d-decision .d-dec-arrow{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--faint);
  transition: color .3s ease, transform .3s ease;
}
.d-decision.live .d-dec-arrow{ color: var(--state-pos); transform: translateX(2px); }

/* ===================== DECISIONS FEED ===================== */
.d-feed{
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.d-feed-row{
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}
.fr-avatar{
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  user-select: none;
}
.d-feed-row .fr-tier{
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--faint);
  font-weight: 400;
  letter-spacing: 0;
  margin-left: 6px;
}
.d-feed-row.fresh{
  animation: feedFresh 0.6s ease both;
}
@keyframes feedFresh{
  0%   { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 1; transform: translateY(0); }
}
.d-feed-row .fr-l{
  display: flex; flex-direction: column; gap: 3px;
  min-width: 0;
}
.d-feed-row .fr-handle{
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg);
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.d-feed-row .fr-action{
  font-family: var(--font-sans);
  font-size: 11.5px;
  color: var(--muted);
}
.d-feed-row .fr-r{
  display: flex; flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  font-variant-numeric: tabular-nums;
}
.d-feed-row .fr-delta{
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: -0.012em;
  color: var(--fg);
  white-space: nowrap;
}
.d-feed-row .fr-delta.tone-pos{ color: var(--state-pos); }
.d-feed-row .fr-delta.tone-faint{ color: var(--faint); }
.d-feed-row .fr-time{
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--faint);
}
.d-feed-row .fr-new{
  position: absolute;
  top: 50%; left: -6px;
  transform: translateY(-50%);
  width: 3px; height: 18px;
  background: var(--state-pos);
  border-radius: 2px;
}

/* ===================== LOOP RIBBON ===================== */
.sysD-loop{
  display: flex; align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--canvas-tint) 55%, transparent), transparent 90%);
  font-family: var(--font-sans);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0;
  flex-wrap: wrap;
}
.loop-step{
  display: inline-flex; align-items: center; gap: 8px;
}
.loop-step .ls-n{
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0;
}
.loop-step .ls-t{ color: var(--fg); }
.loop-step.end{
  margin-left: auto;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--muted);
}
.loop-step.end strong{
  color: var(--state-pos);
  font-family: var(--font-display);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.loop-arrow{
  color: var(--ghost);
  font-family: var(--font-mono);
  font-size: 13px;
}
.loop-arrow.rev{
  color: var(--state-pos);
  margin-left: 6px;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 920px){
  .sysD-stats{ grid-template-columns: 1fr 1fr; }
  .sysD-stats .stat{ border-right: 0; border-bottom: 1px solid var(--line); }
  .sysD-stats .stat:nth-child(odd){ border-right: 1px solid var(--line); }
  .sysD-body{ grid-template-columns: 1fr; }
  .sysD-body .d-left{ border-right: 0; border-bottom: 1px solid var(--line); }
  .sysD-loop{ font-size: 11px; }
  .loop-step.end{ margin-left: 0; padding-left: 0; border-left: 0; flex-basis: 100%; }
}
@media (max-width: 560px){
  .sysD-stats .n{ font-size: 30px; }
  .sysD-stats .sparkline{ display: none; }
}