/* block-test — network diagnostic console.
   Palette encodes verdict semantics: teal = signal/reachable, coral = blocked,
   amber = caution, on a deep ink instrument panel. Not decorative — the color
   IS the reading. */
:root {
  --ink:        #0a0e15;
  --ink-2:      #0f1420;
  --panel:      #121826;
  --panel-2:    #172032;
  --line:       #23304a;
  --line-soft:  #1a2336;
  --text:       #d7e0ee;
  --text-dim:   #8595ad;
  --text-faint: #55627a;

  --signal:     #34d1c4;   /* teal — reachable / pass */
  --signal-dim: #1c6b66;
  --block:      #ff6b6b;   /* coral — blocked */
  --block-dim:  #7a2e34;
  --caution:    #f2b544;   /* amber — warning / divergent */
  --info:       #6ea8fe;

  --radius: 12px;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: 'Space Grotesk', system-ui, sans-serif;
}

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

body {
  font-family: var(--mono);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(52,209,196,0.06), transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, rgba(110,168,254,0.05), transparent 55%),
    var(--ink);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* faint moving scanline — the only ambient motion, and it suits an oscilloscope */
.scanline {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: 0.5;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,0.012) 3px 4px);
}
@media (prefers-reduced-motion: no-preference) {
  .scanline::after {
    content: ''; position: absolute; left: 0; right: 0; height: 120px;
    background: linear-gradient(180deg, transparent, rgba(52,209,196,0.05), transparent);
    animation: sweep 7s linear infinite;
  }
  @keyframes sweep { from { top: -120px; } to { top: 100%; } }
}

.wrap { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

/* ---- masthead ---- */
.masthead { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.brand { display: flex; align-items: center; gap: 0.85rem; }
.logo { color: var(--signal); display: grid; place-items: center; filter: drop-shadow(0 0 8px rgba(52,209,196,0.4)); }
h1 { font-family: var(--display); font-size: clamp(1.6rem, 4vw, 2.1rem); font-weight: 700; letter-spacing: -0.02em; }
.tagline { color: var(--text-dim); font-size: 0.82rem; }
.tagline em { color: var(--signal); font-style: normal; }

.probe-domain { display: flex; gap: 0.4rem; }
.probe-domain input { width: min(260px, 52vw); }

/* ---- panels ---- */
.panel { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; margin-bottom: 1rem; }
.panel-title { font-family: var(--display); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--text-faint); margin-bottom: 0.7rem; }

/* ---- egress / WAN ---- */
.egress { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1rem; }
.egress-primary { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem; align-content: start; }
.kv { display: flex; flex-direction: column; gap: 2px; }
.kv span { font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.kv b { font-weight: 600; font-size: 0.9rem; word-break: break-all; }
.wan-block { border-left: 1px solid var(--line-soft); padding-left: 1rem; }
.wan-head { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-faint); margin-bottom: 0.5rem; display: flex; gap: 0.5rem; align-items: center; }
.wan-head b { font-family: var(--display); color: var(--signal); font-size: 1.05rem; }
.wan-head b.multi { color: var(--caution); }
.wan-list { list-style: none; display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; }
.wan-list li { display: flex; align-items: center; gap: 0.45rem; }
.wan-list em { color: var(--text-dim); font-style: normal; }
.wan-dot { width: 8px; height: 8px; border-radius: 50%; background: hsl(calc(175 + var(--i) * 48) 60% 55%); box-shadow: 0 0 6px currentColor; flex: none; }

/* ---- controls ---- */
.control-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 0.7rem; margin-bottom: 0.7rem; }
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-faint); }
select, input[type="number"], input[type="text"] {
  font-family: var(--mono); font-size: 0.85rem; color: var(--text);
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 8px; padding: 0.55rem 0.65rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
select:focus, input:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px rgba(52,209,196,0.16); }
select:disabled, input:disabled { opacity: 0.4; cursor: not-allowed; }

.button-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
button { font-family: var(--display); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.03em; border: 1px solid transparent; border-radius: 8px; padding: 0.6rem 1.1rem; cursor: pointer; transition: transform 0.1s, background 0.15s, border-color 0.15s; }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.primary { background: var(--signal); color: #04211f; }
.primary:hover:not(:disabled) { background: #46e3d5; }
.danger { background: transparent; border-color: var(--block-dim); color: var(--block); }
.danger:hover:not(:disabled) { background: rgba(255,107,107,0.1); }
.ghost { background: var(--ink-2); border-color: var(--line); color: var(--text); }
.ghost:hover:not(:disabled) { border-color: var(--signal); }

.fetch-status { display: none; font-size: 0.8rem; padding: 0.55rem 0.7rem; border-radius: 8px; margin-bottom: 0.7rem; border-left: 3px solid var(--info); background: rgba(110,168,254,0.08); }
.fetch-status.show { display: block; }
.fetch-status.ok { border-left-color: var(--signal); background: rgba(52,209,196,0.08); }
.fetch-status.err { border-left-color: var(--block); background: rgba(255,107,107,0.08); }

/* ---- domain editor ---- */
.domain-editor { margin-top: 0.8rem; border-top: 1px solid var(--line-soft); padding-top: 0.8rem; }
.editor-label { font-size: 0.62rem; }
.editor-label b { color: var(--text-dim); }
.domain-editor textarea {
  font-family: var(--mono); font-size: 0.8rem; color: var(--text); width: 100%; resize: vertical;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 8px; padding: 0.6rem 0.7rem;
  margin-top: 0.35rem; line-height: 1.5; min-height: 120px;
}
.domain-editor textarea:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px rgba(52,209,196,0.16); }
.editor-actions { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; flex-wrap: wrap; }

/* ---- progress ---- */
.progress-panel { display: none; }
.progress-panel.show { display: block; }
.progress-track { height: 6px; background: var(--ink-2); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--signal-dim), var(--signal)); border-radius: 3px; transition: width 0.3s ease; }
.progress-stats { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-dim); margin-top: 0.5rem; }

/* ---- tabs ---- */
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; margin-bottom: 1rem; }
.tab { background: var(--panel); border: 1px solid var(--line); color: var(--text-dim); border-radius: var(--radius); padding: 0.8rem; display: flex; flex-direction: column; align-items: center; gap: 0.2rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.68rem; }
.tab b { font-family: var(--display); font-size: 1.5rem; color: var(--text); }
.tab:hover { border-color: var(--line); color: var(--text); }
.tab.active { border-color: var(--signal); color: var(--text); }
.tab[data-tab="accessible"].active b { color: var(--signal); }
.tab[data-tab="blocked"].active b { color: var(--block); }
.tab[data-tab="unverified"].active { border-color: var(--info); }
.tab[data-tab="unverified"].active b { color: var(--info); }
.tab[data-tab="failed"].active b { color: var(--caution); }

/* ---- results ---- */
.results { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.25rem; }
.empty { text-align: center; color: var(--text-faint); padding: 2.5rem 1rem; }
.result { background: var(--panel); border: 1px solid var(--line); border-left-width: 3px; border-radius: 10px; padding: 0.8rem 0.9rem; }
.result.accessible { border-left-color: var(--signal); }
.result.blocked { border-left-color: var(--block); }
.result.unverified { border-left-color: var(--info); }
.result.failed { border-left-color: var(--caution); }
.result-top { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.result-domain { font-weight: 600; font-size: 0.95rem; }
.result-verdict { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }
.inspect-btn { margin-left: auto; background: transparent; border: 1px solid var(--line); color: var(--text-dim); font-family: var(--mono); font-size: 0.68rem; padding: 0.25rem 0.6rem; text-transform: lowercase; }
.inspect-btn:hover { border-color: var(--signal); color: var(--signal); }
.tag { font-size: 0.62rem; padding: 0.12rem 0.45rem; border-radius: 999px; background: var(--ink-2); border: 1px solid var(--line); color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.tag.warn { color: var(--caution); border-color: var(--block-dim); }
.egress-tag { text-transform: none; letter-spacing: 0; color: var(--info); border-color: var(--line); font-size: 0.6rem; }

/* ---- signature: the layer trace ---- */
.trace { display: flex; align-items: stretch; gap: 0.35rem; margin: 0.65rem 0 0.4rem; flex-wrap: wrap; }
.trace-step { display: flex; flex-direction: column; gap: 1px; padding: 0.3rem 0.6rem; border-radius: 6px; border: 1px solid var(--line); background: var(--ink-2); min-width: 74px; position: relative; }
.trace-step b { font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.trace-step em { font-style: normal; font-size: 0.78rem; }
.trace-step.ok { border-color: var(--signal-dim); }
.trace-step.ok b { color: var(--signal); }
.trace-step.bad { border-color: var(--block-dim); }
.trace-step.bad b { color: var(--block); }
.trace-step.bad em { color: var(--block); }
.trace-arrow { align-self: center; color: var(--text-faint); }
.result-reasons { display: flex; flex-direction: column; gap: 0.2rem; margin-top: 0.35rem; }
.result-reasons span { font-size: 0.75rem; color: var(--text-dim); }

/* ---- lower panels ---- */
.lower { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem; align-items: start; }
/* grid children default to min-width:auto, so nowrap log lines would blow the
   column wide. Pin them to 0 and clip so the console tracks the layout. */
.lower > .panel { min-width: 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.7rem; }
.panel-head .panel-title { margin-bottom: 0; }
.panel-actions { display: flex; gap: 0.35rem; }
button.xs { font-size: 0.62rem; padding: 0.25rem 0.55rem; letter-spacing: 0.04em; }

.log { height: 240px; overflow-y: auto; overflow-x: hidden; font-size: 0.74rem; line-height: 1.75; }
.log-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.log-ts { color: var(--text-faint); }
.log-lvl { text-transform: uppercase; font-weight: 600; margin: 0 0.4rem; font-size: 0.65rem; }
.log-lvl.info { color: var(--info); }
.log-lvl.success { color: var(--signal); }
.log-lvl.warn { color: var(--caution); }
.log-lvl.error { color: var(--block); }

/* ---- resolver toggles ---- */
.provider-list { list-style: none; display: flex; flex-direction: column; gap: 0.15rem; max-height: 240px; overflow-y: auto; }
.provider-list li.resolver label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; padding: 0.3rem 0.35rem; border-radius: 6px; cursor: pointer; }
.provider-list li.resolver label:hover { background: var(--ink-2); }
.provider-list li.resolver.off { opacity: 0.5; }
.provider-list input[type=checkbox] { accent-color: var(--signal); width: 15px; height: 15px; flex: none; cursor: pointer; }
.resolver-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.resolver-tags { display: flex; gap: 0.25rem; flex: none; }
.tag.xs { font-size: 0.52rem; padding: 0.08rem 0.35rem; }
.tag.ref { color: var(--signal); border-color: var(--signal-dim); }

.muted { color: var(--text-dim); }
.small { font-size: 0.72rem; }
.foot { text-align: center; color: var(--text-faint); font-size: 0.72rem; margin-top: 1.5rem; }
.foot span { color: var(--signal); }

/* ---- modal ---- */
.modal { display: none; position: fixed; inset: 0; z-index: 50; background: rgba(4,7,12,0.82); backdrop-filter: blur(6px); align-items: center; justify-content: center; padding: 1rem; }
.modal.show { display: flex; }
.modal-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); width: min(720px, 100%); max-height: 84vh; overflow: hidden; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); }
.modal-head h3 { font-family: var(--display); font-size: 1.05rem; }
.modal-body { padding: 1.1rem; overflow-y: auto; }
.inspect-verdict { font-family: var(--display); font-size: 1.05rem; margin-bottom: 0.5rem; display: flex; gap: 0.5rem; align-items: baseline; }
.inspect-verdict span { font-size: 0.8rem; color: var(--text-dim); font-family: var(--mono); }
.inspect-verdict.accessible b { color: var(--signal); }
.inspect-verdict.blocked b { color: var(--block); }
.inspect-verdict.unverified b { color: var(--info); }
.inspect-verdict.failed b { color: var(--caution); }
.inspect-h { font-family: var(--display); font-size: 0.9rem; margin: 1.1rem 0 0.6rem; color: var(--text); }
.inspect-h:first-child { margin-top: 0; }

/* ---- inspector: source & journey ---- */
.inspect-source { border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem 0.9rem; margin-bottom: 1rem; background: rgba(110,168,254,0.04); }
.inspect-source .inspect-h { margin-top: 0; }
.src-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.5rem 1rem; margin-bottom: 0.7rem; }
.src-grid .kv b { font-size: 0.82rem; }
.src-ping { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; font-size: 0.76rem; align-items: baseline; padding: 0.5rem 0.6rem; background: var(--ink-2); border-radius: 8px; margin-bottom: 0.5rem; }
.src-ping b { color: var(--signal); }
.src-label { color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.62rem; }
.journey-table { margin-top: 0.5rem; }
.inspect-reasons { list-style: none; display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 1rem; }
.inspect-reasons li { font-size: 0.8rem; color: var(--text-dim); padding-left: 0.8rem; border-left: 2px solid var(--line); }
.inspect-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; font-size: 0.78rem; margin-bottom: 0.7rem; color: var(--text-dim); }
.inspect-meta b { color: var(--text); }

.provider-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.provider-table th { text-align: left; color: var(--text-faint); font-weight: 500; font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--line); }
.provider-table td { padding: 0.5rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.provider-table .ipcell { word-break: break-all; }
.status-pill { font-size: 0.62rem; padding: 0.12rem 0.5rem; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.05em; border: 1px solid var(--line); }
.status-pill.resolved { color: var(--signal); border-color: var(--signal-dim); }
.status-pill.poisoned, .status-pill.blocked { color: var(--block); border-color: var(--block-dim); }
.status-pill.divergent { color: var(--caution); border-color: var(--block-dim); }
.status-pill.nxdomain, .status-pill.error { color: var(--text-dim); }
tr.st-poisoned td, tr.st-blocked td { background: rgba(255,107,107,0.05); }
tr.st-divergent td { background: rgba(242,181,68,0.05); }
.bad { color: var(--block); }

/* ---- responsive ---- */
@media (max-width: 720px) {
  .egress, .lower { grid-template-columns: 1fr; }
  .tabs { grid-template-columns: repeat(2, 1fr); }
  .wan-block { border-left: none; border-top: 1px solid var(--line-soft); padding-left: 0; padding-top: 0.8rem; }
  .masthead { align-items: flex-start; }
  .probe-domain { width: 100%; }
  .probe-domain input { flex: 1; width: auto; }
}

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--signal-dim); }