:root {
  --layout-scale: 1;
  --bg-a: #fff9ef;
  --bg-b: #f4fbff;
  --ink-strong: #1e2a36;
  --ink-soft: #5f6976;
  --panel: rgba(255, 255, 255, 0.78);
  --border: rgba(18, 51, 74, 0.12);
  --brand: #0d9a83;
  --brand-deep: #0a7362;
  --accent: #ef7347;
  --quiet: #d6f7ef;
  --busy: #f06f4a;
  --shadow: 0 14px 40px rgba(18, 34, 61, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Manrope', 'Avenir Next', 'Segoe UI', sans-serif;
  color: var(--ink-strong);
  background:
    radial-gradient(circle at 14% -10%, #ffe6cb 0%, transparent 42%),
    radial-gradient(circle at 85% -22%, #d8f7ff 0%, transparent 44%),
    linear-gradient(155deg, var(--bg-a) 0%, var(--bg-b) 100%);
  position: relative;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 30rem;
  height: 30rem;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-one {
  top: -8rem;
  left: -12rem;
  background: #ffd9b8;
}

.ambient-two {
  right: -12rem;
  bottom: -12rem;
  background: #bfeff5;
}

.layout {
  width: min(1180px, 94vw);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.layout.is-scaled {
  width: 1180px;
  zoom: var(--layout-scale);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 1.1rem 1.2rem;
  opacity: 0;
  transform: translateY(10px);
  animation: panel-rise 0.55s ease forwards;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--brand-deep);
  margin: 0;
}

.hero h1 {
  margin: 0.3rem 0 0.5rem;
  font-family: 'Space Grotesk', 'Futura', sans-serif;
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
  line-height: 1.05;
}

.hero-copy {
  margin: 0;
  max-width: 56ch;
  color: var(--ink-soft);
}

.hero-actions {
  display: grid;
  gap: 0.65rem;
  justify-items: end;
}

.status-pill {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: #eef4ff;
  color: #2d3f61;
}

.status-pill.ok {
  background: #e6fbf4;
  color: #0e735f;
}

.status-pill.warn {
  background: #fff2e8;
  color: #b7562b;
}

.status-pill.bad {
  background: #ffeaea;
  color: #a42e2e;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 0.8rem;
  align-items: end;
}

.controls label {
  display: grid;
  gap: 0.32rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink-soft);
}

select,
button {
  font-family: inherit;
  border-radius: 10px;
  border: 1px solid #cbd8e8;
  padding: 0.52rem 0.7rem;
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--ink-strong);
}

select:focus,
button:focus {
  outline: 2px solid rgba(13, 154, 131, 0.3);
  outline-offset: 1px;
}

.primary-button {
  border: 1px solid var(--brand);
  background: linear-gradient(120deg, var(--brand) 0%, #14b89e 100%);
  color: #ffffff;
  font-weight: 700;
}

.secondary-button {
  border: 1px solid rgba(13, 154, 131, 0.24);
  background: rgba(13, 154, 131, 0.08);
  color: var(--brand-deep);
  font-weight: 700;
}

button:hover {
  cursor: pointer;
  filter: saturate(1.07);
}

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.last-updated {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.83rem;
  color: var(--ink-soft);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.kpi-card h2 {
  margin: 0;
  font-size: 0.91rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.kpi-value {
  margin: 0.42rem 0 0.12rem;
  font-size: clamp(1.55rem, 2.6vw, 2.25rem);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1;
}

.kpi-caption {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 0.85rem;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.03rem;
  font-family: 'Space Grotesk', sans-serif;
}

.panel-head p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.chart-panel svg {
  display: block;
  width: 100%;
  height: 260px;
  margin-top: 0.65rem;
  overflow: visible;
}

.best-times-list {
  margin: 0.72rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.48rem;
}

.best-time-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.62rem;
  padding: 0.58rem 0.64rem;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(13, 154, 131, 0.14);
}

.best-time-rank {
  width: 1.65rem;
  height: 1.65rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(130deg, var(--brand), #13bc9d);
}

.best-time-slot {
  font-weight: 700;
}

.best-time-meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.best-time-load {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
}

.heatmap-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: 64px repeat(7, minmax(0, 1fr));
  gap: 0.34rem;
}

.heatmap-day-label,
.heatmap-hour-label {
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.heatmap-cell {
  height: 18px;
  border-radius: 5px;
  border: 1px solid rgba(21, 59, 84, 0.11);
  transition: transform 0.14s ease;
}

.heatmap-cell:hover {
  transform: scale(1.09);
  z-index: 1;
}

.heatmap-cell.empty {
  background: rgba(120, 131, 145, 0.16);
}

.legend {
  margin-top: 0.78rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.legend-gradient {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--quiet) 0%,
    #f6d486 50%,
    var(--busy) 100%
  );
}

.table-wrap {
  margin-top: 0.7rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  text-align: left;
  padding: 0.55rem 0.42rem;
  border-bottom: 1px solid rgba(21, 59, 84, 0.16);
  color: var(--ink-soft);
}

tbody td {
  padding: 0.56rem 0.42rem;
  border-bottom: 1px solid rgba(21, 59, 84, 0.1);
}

.load-chip {
  display: inline-block;
  padding: 0.18rem 0.52rem;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 700;
  color: #ffffff;
  background: #6986a6;
}

.failures-list {
  margin: 0.68rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.44rem;
}

.failure-item {
  padding: 0.56rem 0.66rem;
  border-radius: 10px;
  font-size: 0.84rem;
  background: #fff2ea;
  border: 1px solid rgba(239, 115, 71, 0.27);
  color: #854024;
}

.empty-state {
  font-size: 0.86rem;
  color: var(--ink-soft);
  padding: 0.4rem 0;
}

@keyframes panel-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1060px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .layout {
    margin-top: 1rem;
  }

  .hero {
    flex-direction: column;
  }

  .hero-actions {
    justify-items: start;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .heatmap-grid {
    grid-template-columns: 50px repeat(7, minmax(0, 1fr));
    gap: 0.24rem;
  }

  .heatmap-cell {
    height: 15px;
  }
}