/* Sewer Watch — paper-and-ink editorial dashboard.
   Deliberately distinct from the dark panel grid at hvac.lucheestiy.com:
   warm cream background, deep navy ink, hairline rules, tabular figures. */

:root {
  --paper: #f4ede0;
  --paper-2: #efe7d6;
  --paper-3: #e7debe;
  --card: #faf5e8;
  --ink: #1c2530;
  --ink-2: #2b3540;
  --ink-soft: #4d5762;
  --ink-mute: #7a838d;
  --hair: rgba(28, 37, 48, 0.18);
  --hair-soft: rgba(28, 37, 48, 0.09);
  --hair-faint: rgba(28, 37, 48, 0.05);
  --sage: #4f6f4a;
  --teal: #2c6863;
  --amber: #a37020;
  --rust: #a4482a;
  --crimson: #882f24;
  --steel: #3d5878;

  --serif: "Iowan Old Style", "Source Serif 4", "Charter", "Palatino Linotype",
    Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Menlo", "IBM Plex Mono", "JetBrains Mono",
    Consolas, monospace;

  --shell: 1200px;
  --pad-x: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "tnum" on, "lnum" on, "ss01" on;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(60rem 30rem at 12% -8%, rgba(255, 255, 255, 0.55), transparent 70%),
    radial-gradient(50rem 30rem at 95% 110%, rgba(164, 72, 42, 0.05), transparent 70%);
  min-height: 100vh;
}

a { color: var(--steel); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--rust); }

.skip-link {
  position: absolute;
  left: -1000px; top: -1000px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  border-radius: 2px;
  z-index: 999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ─── Masthead ─────────────────────────────────────────────────── */

.masthead {
  border-bottom: 1px solid var(--ink);
  padding: 28px var(--pad-x) 18px;
  background:
    linear-gradient(to bottom, transparent, rgba(28, 37, 48, 0.02)),
    var(--paper);
}

.masthead-row {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
}

.masthead-mark {
  display: grid;
  gap: 4px;
  width: 28px;
}
.mark-line {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
.mark-line-short { width: 60%; background: var(--rust); }

.masthead-title {
  display: grid;
  align-content: end;
  gap: 4px;
}
.masthead-eyebrow {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}
.masthead-sub {
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  justify-content: flex-end;
}
.masthead-meta > div {
  display: grid;
  gap: 2px;
  text-align: right;
}
.masthead-meta dt {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.masthead-meta dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink);
  white-space: nowrap;
}

/* ─── Page shell ───────────────────────────────────────────────── */

.page {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px var(--pad-x) 64px;
  display: grid;
  gap: 40px;
}

/* Section heads (for any section that exposes .card-head or
   .trace-head). Reused styling: kicker is small caps tracked, then
   serif heading with optional inline meta. */
.kicker {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0;
  line-height: 1.15;
}

h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
h3 { font-size: 1.18rem; }

.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" on; }

/* ─── Verdict (hero) ───────────────────────────────────────────── */

.verdict {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--hair);
}

.verdict-status {
  padding: 36px 36px 36px 0;
  position: relative;
  border-right: 1px solid var(--hair);
}

.verdict-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 12px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 999px;
  margin-bottom: 18px;
}
.verdict-tag::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-mute);
  display: inline-block;
}

.verdict-headline {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
}

.verdict-detail {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: 1.02rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.verdict-meta {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink);
}
.meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.meta-key {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.meta-val { font-variant-numeric: tabular-nums; }
.meta-divider { color: var(--hair); }

/* Verdict accent by data-level (driven by JS) */
.verdict-status[data-level="quiet"] .verdict-tag::before,
.verdict-status[data-level="low"] .verdict-tag::before,
.verdict-status[data-level="normal"] .verdict-tag::before,
.verdict-status[data-level="normal_flush"] .verdict-tag::before { background: var(--sage); }

.verdict-status[data-level="watch"] .verdict-tag::before,
.verdict-status[data-level="baseline_shift"] .verdict-tag::before { background: var(--amber); }

.verdict-status[data-level="elevated"] .verdict-tag::before,
.verdict-status[data-level="high"] .verdict-tag::before { background: var(--rust); }

.verdict-status[data-level="critical"] .verdict-tag::before,
.verdict-status[data-level="alarm"] .verdict-tag::before { background: var(--crimson); }

.verdict-status[data-level="quiet"]::after,
.verdict-status[data-level="low"]::after,
.verdict-status[data-level="normal"]::after,
.verdict-status[data-level="normal_flush"]::after,
.verdict-status[data-level="watch"]::after,
.verdict-status[data-level="baseline_shift"]::after,
.verdict-status[data-level="elevated"]::after,
.verdict-status[data-level="high"]::after,
.verdict-status[data-level="critical"]::after,
.verdict-status[data-level="alarm"]::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  height: 3px; width: 64px;
  background: var(--ink-mute);
}
.verdict-status[data-level="quiet"]::after,
.verdict-status[data-level="low"]::after,
.verdict-status[data-level="normal"]::after,
.verdict-status[data-level="normal_flush"]::after { background: var(--sage); }
.verdict-status[data-level="watch"]::after,
.verdict-status[data-level="baseline_shift"]::after { background: var(--amber); }
.verdict-status[data-level="elevated"]::after,
.verdict-status[data-level="high"]::after { background: var(--rust); }
.verdict-status[data-level="critical"]::after,
.verdict-status[data-level="alarm"]::after { background: var(--crimson); }

/* Readouts column */
.verdict-readouts {
  padding: 36px 0 36px 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0;
}
.readout {
  padding: 6px 14px;
  border-right: 1px dashed var(--hair-soft);
  border-bottom: 1px dashed var(--hair-soft);
  display: grid;
  align-content: start;
  gap: 6px;
}
.readout:nth-child(2n) { border-right: 0; }
.readout:nth-child(n+3) { border-bottom: 0; }

.readout-key {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.readout-val {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.05;
  font-weight: 500;
  color: var(--ink);
}
.readout-num { font-variant-numeric: tabular-nums; }
.readout-foot {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.35;
}

/* ─── Trace section ────────────────────────────────────────────── */

.trace {
  display: grid;
  gap: 18px;
}

.trace-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 10px;
}
.trace-meta {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}
.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-family: var(--mono);
  color: var(--ink-soft);
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 999px;
}

.legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.legend .swatch {
  width: 20px; height: 0;
  border-top: 2px dashed currentColor;
  display: inline-block;
}
.legend .swatch-solid {
  width: 20px;
  height: 8px;
  background: currentColor;
  border-radius: 1px;
  border-top: 0;
}

/* ─── Cards & grids ────────────────────────────────────────────── */

.grid {
  display: grid;
  gap: 24px;
}
.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 4px;
  padding: 22px 22px 24px;
  position: relative;
  display: grid;
  gap: 14px;
}
.card::before {
  content: "";
  position: absolute;
  left: 22px; right: 22px; top: 0;
  height: 2px;
  background: var(--ink);
  opacity: 0.85;
}

.card-head {
  display: grid;
  gap: 2px;
  margin-bottom: 4px;
}

/* Chart frames */
.chart-frame {
  position: relative;
  width: 100%;
  height: 240px;
  background:
    linear-gradient(to bottom, var(--paper), var(--card));
  border: 1px solid var(--hair-soft);
  border-radius: 2px;
  padding: 8px 10px 6px;
}
.chart-frame-mid { height: 240px; }
.chart-frame-tall { height: 360px; }
.chart-frame canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ─── Tables ──────────────────────────────────────────────────── */

.flush-table,
.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.flush-table th,
.flush-table td,
.stats-table th,
.stats-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--hair-soft);
  vertical-align: top;
}
.flush-table th,
.stats-table th {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--hair);
  padding-top: 4px;
}
.flush-table th.num,
.flush-table td.num,
.stats-table th.num,
.stats-table td.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.flush-table tr:last-child td,
.stats-table tr:last-child td { border-bottom: 0; }
.flush-table .empty,
.stats-table .empty,
.event-list .empty {
  text-align: center;
  color: var(--ink-mute);
  font-style: italic;
  padding: 22px 0;
}

/* state cells inline */
.cell-elev { color: var(--rust); font-weight: 500; }
.cell-watch { color: var(--amber); font-weight: 500; }
.cell-quiet { color: var(--sage); font-weight: 500; }
.cell-crit { color: var(--crimson); font-weight: 600; }

/* ─── Bands list (operating ranges) ───────────────────────────── */

.band-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: band;
}
.band-list li {
  counter-increment: band;
  display: grid;
  grid-template-columns: 36px minmax(0, 1.1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--hair-soft);
}
.band-list li:last-child { border-bottom: 0; }
.band-list li::before {
  content: counter(band, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.band-name {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
  display: block;
}
.band-desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.45;
}
.band-range {
  font-family: var(--mono);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--hair-soft);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
}
.band-list li[data-key="quiet_pipe"] .band-range { color: var(--sage); }
.band-list li[data-key="normal_flush"] .band-range { color: var(--teal); }
.band-list li[data-key="watch"] .band-range { color: var(--amber); }
.band-list li[data-key="elevated"] .band-range { color: var(--rust); }
.band-list li[data-key="alarm"] .band-range,
.band-list li[data-key="critical"] .band-range { color: var(--crimson); }

/* ─── Health cards ────────────────────────────────────────────── */

.health-card { gap: 8px; }
.health-card h3 {
  font-size: 1.1rem;
}
.health-body {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.health-detail {
  margin: 6px 0 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  font-size: 0.86rem;
}
.health-detail dt {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  align-self: center;
}
.health-detail dd {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  align-self: center;
}

/* driver list = health-detail variant with units inline */
.driver-list { row-gap: 10px; }

/* state badges on health card titles */
.health-card[data-state="good"] .kicker::after,
.health-card[data-state="ok"] .kicker::after,
.health-card[data-state="usable"] .kicker::after,
.health-card[data-state="poor"] .kicker::after,
.health-card[data-state="warning"] .kicker::after,
.health-card[data-state="error"] .kicker::after,
.health-card[data-state="stale"] .kicker::after {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-left: 8px;
  background: var(--ink-mute);
  vertical-align: 1px;
}
.health-card[data-state="good"] .kicker::after,
.health-card[data-state="ok"] .kicker::after,
.health-card[data-state="usable"] .kicker::after { background: var(--sage); }
.health-card[data-state="warning"] .kicker::after,
.health-card[data-state="stale"] .kicker::after { background: var(--amber); }
.health-card[data-state="error"] .kicker::after,
.health-card[data-state="poor"] .kicker::after { background: var(--crimson); }

/* ─── Events list ─────────────────────────────────────────────── */

.events { gap: 8px; }
.event-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.event-list li {
  padding: 10px 14px;
  background: var(--paper-2);
  border: 1px solid var(--hair-soft);
  border-left: 3px solid var(--ink-mute);
  border-radius: 2px;
  font-size: 0.9rem;
  color: var(--ink);
  display: grid;
  gap: 4px;
}
.event-list li[data-kind="alert"] { border-left-color: var(--rust); }
.event-list li[data-kind="fault"] { border-left-color: var(--amber); }
.event-list li .event-key {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.event-list li .event-msg {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── System dl ───────────────────────────────────────────────── */

.system-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px 24px;
}
.system-grid > div {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: var(--paper-2);
  border: 1px solid var(--hair-soft);
  border-radius: 2px;
}
.system-grid dt {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
}
.system-grid dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  word-break: break-word;
}

/* ─── Colophon ───────────────────────────────────────────────── */

.colophon {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px var(--pad-x) 56px;
  border-top: 1px solid var(--ink);
  display: grid;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
.colophon p { margin: 0; max-width: 60em; }
.colophon-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
}

/* ─── Status text colors for inline use ───────────────────────── */

.status-good, .status-ok, .status-usable,
.status-quiet, .status-low, .status-normal, .status-normal_flush,
.status-stable, .status-falling { color: var(--sage); }
.status-watch, .status-warning, .status-baseline_shift,
.status-limited, .status-rising { color: var(--amber); }
.status-elevated, .status-high, .status-poor { color: var(--rust); }
.status-critical, .status-error, .status-alarm { color: var(--crimson); }
.status-unknown, .status-insufficient { color: var(--ink-mute); }

/* ─── Responsive ──────────────────────────────────────────────── */

@media (max-width: 980px) {
  .verdict {
    grid-template-columns: 1fr;
  }
  .verdict-status {
    border-right: 0;
    border-bottom: 1px solid var(--hair);
    padding: 28px 0;
  }
  .verdict-readouts {
    padding: 28px 0;
  }
  .grid-three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .masthead-row {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }
  .masthead-meta {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  .masthead-meta > div { text-align: left; }

  .grid-two,
  .grid-three { grid-template-columns: 1fr; }

  .verdict-readouts {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .readout {
    border-right: 0;
    border-bottom: 1px dashed var(--hair-soft);
    padding: 12px 0;
  }
  .readout:last-child { border-bottom: 0; }

  .band-list li {
    grid-template-columns: 28px minmax(0, 1fr);
  }
  .band-range {
    grid-column: 2 / -1;
    justify-self: start;
    margin-top: 6px;
  }

  .stats-table,
  .flush-table { font-size: 0.85rem; }
  .stats-table th,
  .flush-table th,
  .stats-table td,
  .flush-table td { padding: 8px 6px; }
}

@media (max-width: 480px) {
  .verdict-headline { font-size: 1.85rem; }
  .readout-val { font-size: 1.4rem; }
  .chart-frame-tall { height: 280px; }
  .chart-frame-mid { height: 220px; }
}

@media (prefers-reduced-motion: no-preference) {
  .page > section,
  .colophon { animation: appear 0.5s ease both; }
  .page > section:nth-child(1) { animation-delay: 0.02s; }
  .page > section:nth-child(2) { animation-delay: 0.06s; }
  .page > section:nth-child(3) { animation-delay: 0.10s; }
  .page > section:nth-child(4) { animation-delay: 0.14s; }
  .page > section:nth-child(5) { animation-delay: 0.18s; }
  .page > section:nth-child(6) { animation-delay: 0.20s; }
  .colophon { animation-delay: 0.24s; }
}

@keyframes appear {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media print {
  body { background: #fff; }
  .skip-link, .meta-pill, .chart-frame { background: #fff !important; }
}