:root {
  --bg-top: #f1e4c8;
  --bg-bottom: #f7f7f0;
  --ink: #211f1b;
  --muted: #635f56;
  --panel: rgba(255, 252, 244, 0.88);
  --border: rgba(71, 58, 35, 0.2);
  --accent: #b44a1f;
  --accent-strong: #8d2e0d;
  --ok: #2f7f53;
  --warn: #d1731f;
  --danger: #b91f24;
  --shadow: 0 10px 30px rgba(74, 52, 23, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(230, 141, 79, 0.24), transparent 35%),
    radial-gradient(circle at 85% 20%, rgba(214, 186, 94, 0.2), transparent 40%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  min-height: 100vh;
}

.app-shell {
  width: min(1280px, 96vw);
  margin: 0 auto;
  padding: 1.2rem 0 2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.3fr 1fr;
  grid-template-areas:
    "hero hero"
    "input controls"
    "summary summary"
    "results results";
}

.hero {
  grid-area: hero;
  padding: 0.5rem 0.2rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.03em;
}

.hero p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1rem;
  backdrop-filter: blur(1px);
}

.input-panel {
  grid-area: input;
}

.controls-panel {
  grid-area: controls;
  display: grid;
  gap: 0.8rem;
}

.summary-panel {
  grid-area: summary;
}

.results-panel {
  grid-area: results;
}

label {
  display: block;
  font-size: 0.92rem;
  color: var(--muted);
}

textarea {
  width: 100%;
  min-height: 260px;
  margin-top: 0.35rem;
  padding: 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fffdf8;
  resize: vertical;
  font: 0.87rem/1.45 "Cascadia Mono", "Fira Mono", "Consolas", monospace;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  margin-top: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.42rem 0.55rem;
  background: #fffdf8;
  color: var(--ink);
}

button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  background: linear-gradient(180deg, #c35d2b, var(--accent-strong));
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.05);
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}

.row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.inspect-action {
  margin-bottom: 0.65rem;
}

.inspect-filter {
  border-top: 1px solid var(--border);
  padding-top: 0.65rem;
}

.actions {
  margin-top: 0.7rem;
}

#statusText {
  color: var(--muted);
  font-size: 0.88rem;
}

.control-block h2,
.summary-panel h2,
.results-header h2 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  letter-spacing: 0.015em;
}

.threshold-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.band-filter-grid {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.checkline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.2rem;
}

.checkline input {
  margin: 0;
}

.context-grid {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.metric {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem;
  background: rgba(255, 255, 255, 0.66);
}

.metric .label {
  font-size: 0.78rem;
  color: var(--muted);
}

.metric .value {
  font-size: 1.08rem;
  font-weight: 600;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.55rem;
}

.results-viewport {
  height: min(62vh, 560px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.6);
  position: relative;
}

.vlist-spacer {
  position: relative;
  width: 100%;
}

.vlist-row {
  position: absolute;
  left: 0;
  right: 0;
  height: 24px;
  display: grid;
  grid-template-columns: 70px 86px 1fr;
  align-items: center;
  padding: 0 0.6rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font: 0.8rem/1 "Cascadia Mono", "Fira Mono", "Consolas", monospace;
}

.vlist-row .line-no {
  color: #4b453c;
}

.vlist-row .latency {
  text-align: right;
  padding-right: 0.6rem;
  color: #2f2a23;
}

.vlist-row .text {
  white-space: pre;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vlist-row.missing-ts {
  opacity: 0.62;
}

.vlist-row.filtered-out {
  display: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "input"
      "controls"
      "summary"
      "results";
  }

  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .vlist-row {
    grid-template-columns: 58px 82px 1fr;
    font-size: 0.76rem;
  }
}

@media (max-width: 600px) {
  .summary-grid,
  .threshold-grid,
  .band-filter-grid,
  .context-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .results-viewport {
    height: 56vh;
  }
}