/* aura (by Lounatech) device console - matches lounatech.com design system */

/* ============ Design tokens ============ */
:root {
  /* Colors */
  --bg: #FAF8F5;
  --bg-card: #FFFFFF;
  --bg-dark: #14130F;
  --bg-dark-panel: #2E2B25;
  --bg-note: #F2EDE4;

  --text: #14130F;
  --text-muted: #8A8175;
  --text-body: #3B372E;
  --text-secondary: #4B4639;
  --text-dark-muted: #A79E8E;

  --border: #E4DED3;
  --border-strong: #C9C2B4;

  --accent: #B4581F;

  /* Status colors (from lounatech air quality chart) */
  --state-good: #3FAE64;
  --state-ok: #E8C33A;
  --state-stuffy: #E58A2B;
  --state-bad: #D3452F;

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Karla', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* ============ Base ============ */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ Header ============ */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 248, 245, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand h1 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.brand .byline {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.brand .fw {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 2px 8px;
  letter-spacing: 0.02em;
}

.conn {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.conn .screen {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.netpill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  background: transparent;
}
.netpill.on {
  color: var(--state-good);
  border-color: var(--state-good);
}
.netpill.off {
  color: var(--state-bad);
  border-color: var(--state-bad);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
  transition: background 0.3s;
}
.dot.ok { background: var(--state-good); }
.dot.ko { background: var(--state-bad); }

/* ============ Buttons ============ */
button {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
}
button:hover {
  background: var(--bg-note);
  border-color: var(--text-muted);
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
button.primary {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--bg);
}
button.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}
button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}
button.ghost:hover {
  color: var(--text);
  background: var(--bg-note);
}
button.warnbtn {
  background: var(--bg-note);
  border-color: var(--border-strong);
  color: var(--state-bad);
}
button.warnbtn:hover {
  background: var(--state-bad);
  border-color: var(--state-bad);
  color: var(--bg);
}

/* ============ Alerts & banners ============ */
.warn {
  margin: 16px 32px;
  padding: 16px 20px;
  background: var(--bg-note);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.banner {
  margin: 16px 32px;
  padding: 16px 20px;
  background: var(--bg-note);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.banner b {
  color: var(--text);
  font-weight: 600;
}
.banner button {
  margin-left: auto;
  flex-shrink: 0;
}

/* ============ Tabs ============ */
.tabs {
  display: flex;
  gap: 4px;
  padding: 0 32px;
  margin-top: 8px;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  border-radius: 12px 12px 0 0;
  border-bottom: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 20px;
}
.tabs button:hover {
  color: var(--text);
  background: var(--bg-note);
}
.tabs button.active {
  color: var(--text);
  border-color: var(--border);
  border-bottom-color: var(--bg);
  background: var(--bg);
  margin-bottom: -1px;
}

/* ============ Main content ============ */
main {
  padding: 32px;
  max-width: 1240px;
  margin: 0 auto;
}

/* ============ Dashboard ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s;
}
.card:hover {
  border-color: var(--border-strong);
}
.card.big {
  grid-column: span 2;
  border-color: var(--c, var(--border));
}
.card.big:hover {
  border-color: var(--c, var(--border-strong));
}

.card .label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card .value {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
  margin-top: 4px;
}
.card.big .value {
  font-size: clamp(42px, 6vw, 56px);
}
.card .unit {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 4px;
  font-weight: 400;
  letter-spacing: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: fit-content;
}

/* State colors */
.state-0 { --c: var(--state-good); }
.state-1 { --c: var(--state-ok); }
.state-2 { --c: var(--state-stuffy); }
.state-3 { --c: var(--state-bad); }

.chip.state-0 { background: var(--state-good); color: var(--bg); }
.chip.state-1 { background: var(--state-ok); color: var(--text); }
.chip.state-2 { background: var(--state-stuffy); color: var(--bg); }
.chip.state-3 { background: var(--state-bad); color: var(--bg); }

.stale {
  color: var(--state-stuffy);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 16px 0 0;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--text);
  margin: 0 0 20px;
}

/* ============ Chart ============ */
.chart-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 26px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.chart-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chart-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chart-legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chart-legend .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 180px;
  padding: 0;
  background: transparent;
  border: none;
}

.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  gap: 8px;
}

.bar {
  width: 100%;
  max-width: 40px;
  border-radius: 3px 3px 0 0;
  min-height: 4px;
  transition: height 0.4s ease;
}
.bar.c0 { background: var(--state-good); }
.bar.c1 { background: var(--state-ok); }
.bar.c2 { background: var(--state-stuffy); }
.bar.c3 { background: var(--state-bad); }
.bar.c4 {
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-bottom: none;
}

.bar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ============ Settings ============ */
.settings {
  max-width: 720px;
}

.readrow {
  margin-bottom: 20px;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 26px;
  margin-bottom: 16px;
  transition: border-color 0.3s;
}
.panel:hover {
  border-color: var(--border-strong);
}
.panel.highlight {
  border-color: var(--state-stuffy);
  box-shadow: 0 0 0 1px var(--state-stuffy);
}

.panel h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--text);
}

.panel .hint {
  font-size: 13.5px;
  color: var(--text-muted);
  margin: 0 0 10px;
  line-height: 1.5;
}

.panel label {
  display: block;
  margin: 14px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.panel input,
.panel select {
  width: 100%;
  margin-top: 6px;
  padding: 14px 16px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.panel input:focus,
.panel select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(180, 88, 31, 0.12);
}
.panel input::placeholder {
  color: var(--border-strong);
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.hint-inline {
  color: var(--text-muted);
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
}

/* ============ Responses & logs ============ */
.responses {
  margin: 0;
  padding-left: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.responses li {
  margin: 4px 0;
}

.collapsible {
  cursor: pointer;
  user-select: none;
}

.log {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  margin-top: 12px;
}

/* ============ Footer ============ */
footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.footer-note {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--accent);
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .header-inner {
    padding: 14px 20px;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }
  .conn {
    width: 100%;
    justify-content: flex-start;
  }
  main {
    padding: 20px;
  }
  .warn, .banner {
    margin: 12px 20px;
  }
  .tabs {
    padding: 0 20px;
  }
  .card.big {
    grid-column: span 1;
  }
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }
  .chart {
    height: 140px;
  }
}