/* ─────────────────────────────────────────────────────────────
   info.css — Netprobe / Connection Info Page
───────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --d0: #080809; --d1: #0e0e10; --d2: #131316; --d3: #18181c;
  --d4: #1e1e24; --d5: #26262e; --d6: #30303a;
  --g3: #3e3e4a; --g4: #52525e; --g5: #6a6a78; --g6: #888898;
  --g7: #a8a8b8; --g8: #c8c8d4; --g9: #e4e2ee;
  --accent:     #5a7e52;
  --accent-lit: #7aaa6a;
  --accent-dim: rgba(90,126,82,.12);
  --accent-glo: rgba(122,170,106,.22);
  --ok:       #4a8a5a; --ok-dim:   rgba(74,138,90,.14);
  --warn:     #8a7028; --warn-dim: rgba(138,112,40,.13);
  --err:      #8a3838; --err-dim:  rgba(138,56,56,.13);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans:  'Space Grotesk', system-ui, sans-serif;
  --mono:  'Space Grotesk', system-ui, monospace;
  --nav-h: 64px; --r: 8px; --r2: 5px;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--sans);
  background: var(--d1);
  color: var(--g7);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Page wrapper ───────────────────────────────────────── */
.info-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 44px 48px 72px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* ─────────────────────────────────────────────────────────
   PAGE HEADER
───────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--d5);
}

.page-eyebrow {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-lit);
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--accent-lit);
  opacity: .5;
  flex-shrink: 0;
}

.page-title-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(30px, 4vw, 52px);
  color: var(--accent-lit);
  line-height: 1.05;
  letter-spacing: -.01em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Status pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--g6);
  background: var(--d3);
  border: 1px solid var(--d5);
  border-radius: 99px;
  padding: 6px 14px 6px 10px;
  white-space: nowrap;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--g4);
  flex-shrink: 0;
  transition: background .3s, box-shadow .3s;
}
.status-dot.ok  { background: var(--ok);  box-shadow: 0 0 0 3px var(--ok-dim); }
.status-dot.err { background: var(--err); box-shadow: 0 0 0 3px var(--err-dim); }

/* Refresh button */
.refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--g4);
  background: var(--d3);
  color: var(--g6);
  cursor: pointer;
  flex-shrink: 0;
  transition: color .18s, border-color .18s, background .18s;
  box-shadow: 0 1px 3px rgba(0,0,0,.4);
}
.refresh-btn:hover { color: var(--g9); border-color: var(--g5); background: var(--d4); }
.refresh-btn svg.refresh-icon {
  width: 14px; height: 14px; display: block;
  transform-origin: center center;
  transform-box: fill-box;
}
.refresh-btn.spinning .refresh-icon { animation: spin .65s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Ray ID row */
.page-ray-row { display: flex; align-items: center; gap: 10px; }
.page-ray-label {
  font-family: var(--mono); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--g4); flex-shrink: 0;
}
.page-ray-val {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--g5); letter-spacing: .03em; word-break: break-all;
}

/* Error banner */
.error-banner {
  display: none; align-items: center; gap: 10px;
  background: var(--err-dim); border: 1px solid rgba(138,56,56,.22);
  border-radius: var(--r2); padding: 12px 16px;
  font-family: var(--mono); font-size: 12px; color: #c87070;
}
.error-banner.visible { display: flex; }

/* ─────────────────────────────────────────────────────────
   PATH DIAGRAM  —  2 nodes, thick dot track, no border
───────────────────────────────────────────────────────── */
.path-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 0 12px;
}

/* ── Nodes ──────────────────────────────────────────────── */
.path-node {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 0 0 auto;
  min-width: 0;
}

/* Right node (edge): right-aligned */
.path-node--cf {
  align-items: flex-end;
  text-align: right;
}

/* Icon chip */
.path-node-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--d3);
  border: 1px solid var(--d5);
  display: flex; align-items: center; justify-content: center;
  color: var(--g5);
  margin-bottom: 4px;
  flex-shrink: 0;
}
.path-node-icon--accent {
  background: var(--accent-dim);
  border-color: rgba(122,170,106,.22);
  color: var(--accent-lit);
}

.path-node-label {
  font-family: var(--mono); font-size: 8.5px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--g4);
}

.path-node-name {
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--g9);
  line-height: 1.1;
}

.path-node-sub {
  font-family: var(--mono); font-size: 10.5px; color: var(--g5);
  letter-spacing: .02em; line-height: 1.4;
}

.path-node-ip {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  color: var(--accent-lit); letter-spacing: .02em;
  margin-top: 2px; word-break: break-all;
}

/* ── Edge KV panel (right node) ─────────────────────────── */
.path-edge-kv {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}

.path-edge-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  justify-content: flex-end;   /* right-align on edge node */
}

.path-edge-key {
  font-family: var(--mono); font-size: 9px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--g4);
  flex-shrink: 0;
}

.path-edge-val {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  color: var(--g8); word-break: break-all; line-height: 1.4;
}
.path-edge-val.accent { color: var(--accent-lit); }
.path-edge-val.dim    { color: var(--g5); font-weight: 400; font-size: 10.5px; }

/* ── Track: thick dots + dashed line ────────────────────── */
.path-track {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 16px;
  min-width: 60px;
  margin-top: 46px;   /* align with node text, not icon */
}

/* Thick dot */
.path-track-dot {
  flex-shrink: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 0 8px var(--accent-glo);
}

/* Dashed segment between dots */
.path-track-line {
  flex: 1;
  height: 1px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--accent) 0px, var(--accent) 5px,
    transparent 5px, transparent 12px
  );
  opacity: .35;
}

/* ─────────────────────────────────────────────────────────
   3-CARD ROW  —  transparent background
───────────────────────────────────────────────────────── */
.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: start;
}

.info-card {
  background: transparent;
  border: 1px solid var(--d5);
  border-radius: var(--r);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: rgba(255,255,255,.02);
  border-bottom: 1px solid var(--d5);
  font-family: var(--mono);
  font-size: 10px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--g5);
}
.info-card-header svg { flex-shrink: 0; color: var(--g4); }

.info-rows { display: flex; flex-direction: column; }

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 18px;
  border-bottom: 1px solid var(--d5);
  gap: 12px;
}
.info-row:last-child { border-bottom: none; }

.info-row--divider {
  padding: 0; height: 1px;
  background: var(--d5); border: none;
}

.info-key {
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--g4); flex-shrink: 0; white-space: nowrap;
}

.info-val {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  color: var(--g8); text-align: right;
  word-break: break-all; line-height: 1.4;
}
.info-val.accent { color: var(--accent-lit); }
.info-val.dim    { color: var(--g5); font-weight: 400; }

.info-val--ray {
  font-size: 10.5px; font-weight: 500; color: var(--g6); line-height: 1.6;
}
.info-val--ray em { font-style: normal; color: var(--accent-lit); font-weight: 700; }

/* Protocol badge */
.proto-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  color: var(--ok); background: var(--ok-dim);
  border: 1px solid rgba(74,138,90,.2);
  border-radius: 3px; padding: 2px 7px; letter-spacing: .02em;
}
.proto-badge::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--ok); flex-shrink: 0;
}
.proto-badge.warn { color: var(--warn); background: var(--warn-dim); border-color: rgba(138,112,40,.2); }
.proto-badge.warn::before { background: var(--warn); }

/* ── Skeleton ────────────────────────────────────────────── */
.skeleton {
  display: inline-block;
  background: linear-gradient(90deg, var(--d3) 25%, var(--d5) 50%, var(--d3) 75%);
  background-size: 300% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 3px; color: transparent !important;
  user-select: none; min-width: 40px; min-height: 1em;
}
@keyframes shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up   { animation: fadeUp .38s ease both; }
.fade-up-1 { animation: fadeUp .38s .08s ease both; }
.fade-up-2 { animation: fadeUp .38s .18s ease both; }

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--d2); }
::-webkit-scrollbar-thumb { background: var(--d5); border-radius: 3px; }

/* ─────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────── */

@media (max-width: 1080px) {
  .info-page { padding: 36px 32px 64px; }
}

/* Tablet */
@media (max-width: 768px) {
  .info-page { padding: 28px 20px 56px; gap: 28px; }
  .cards-row { grid-template-columns: 1fr 1fr; }

  /* Path: stack vertically */
  .path-diagram {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 0 8px;
    gap: 0;
  }
  .path-node { width: 100%; max-width: 100%; }
  .path-node--cf { align-items: flex-start; text-align: left; }
  .path-edge-row { justify-content: flex-start; }

  /* Vertical track */
  .path-track {
    flex: 0 0 auto;
    flex-direction: column;
    align-items: flex-start;
    padding: 4px 0 4px 18px;
    margin-top: 0;
    height: 36px;
    width: auto; min-width: auto;
  }
  .path-track-line {
    flex: 1;
    width: 1px; height: auto;
    background-image: repeating-linear-gradient(
      180deg,
      var(--accent) 0px, var(--accent) 5px,
      transparent 5px, transparent 11px
    );
  }
  .path-track-dot { width: 9px; height: 9px; }
}

/* Mobile */
@media (max-width: 600px) {
  .info-page   { padding: 24px 16px 48px; gap: 22px; }
  .cards-row   { grid-template-columns: 1fr; }
  .page-title  { font-size: 26px; }
  .header-meta { gap: 8px; }
  .status-pill { font-size: 10.5px; padding: 5px 12px 5px 8px; }
  .path-track  { padding-left: 14px; }
}