:root {
  --bg-deep: #030712;
  --bg-soft: #0a0f1c;
  --panel: #060b14e6;
  --text-main: #e5e7eb;
  --text-soft: #cbd5e1;
  --accent: #22d3ee;
  --ok: #22c55e;
  --warn: #f59e0b;
  --up: #38bdf8;
  --stable: #a3e635;
  --down: #fb7185;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at 20% 20%, #0ea5e914 0%, transparent 42%),
    radial-gradient(circle at 80% 0%, #f59e0b12 0%, transparent 36%),
    linear-gradient(145deg, var(--bg-deep), var(--bg-soft));
  padding: 24px;
}

.app-shell {
  width: 100%;
  max-width: 2400px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
  min-width: 0;
}

.hero h1 {
  margin: 6px 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.8rem;
}

.subtitle {
  margin: 0;
  color: var(--text-soft);
}

.panel {
  background: var(--panel);
  border: 1px solid #334155;
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 30px #02061766;
  min-width: 0;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.panel-top h2 {
  margin: 0;
  font-size: 1.15rem;
}

.status {
  font-size: 0.9rem;
  color: var(--text-soft);
}

.status.ok {
  color: var(--ok);
}

.status.warn {
  color: var(--warn);
}

.month-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.month-center {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.controls-top-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.controls-view-row {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.picker-field {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.month-title-inline {
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  margin-left: 4px;
}

.view-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.month-pickers {
  display: flex;
  gap: 8px;
}

.month-select {
  border: 1px solid #475569;
  background: #0f172a;
  color: var(--text-main);
  border-radius: 8px;
  padding: 6px 8px;
  font-family: inherit;
}

.month-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.month-btn {
  border: 1px solid #475569;
  background: #0f172a;
  color: var(--text-main);
  border-radius: 10px;
  padding: 8px 12px;
  font-family: inherit;
  cursor: pointer;
}

.month-btn:hover {
  border-color: var(--accent);
}

.month-label {
  text-align: center;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

canvas {
  width: 100%;
  max-height: 430px;
}

.legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.card {
  background: #050a13ea;
  border: 1px solid #243244;
  border-radius: 14px;
  padding: 14px;
}

.card-title {
  margin: 0 0 6px;
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-value {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.month-extreme-icon {
  font-size: 1.5em;
  vertical-align: -0.05em;
}

.days-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  min-width: 0;
}

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

.days-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.days-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.day-card {
  background: #050a13ea;
  border: 1px solid #243244;
  border-radius: 14px;
  padding: 18px;
  min-width: 0;
}

.day-card h3 {
  margin: 0;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.day-icon {
  font-size: 1rem;
}

.day-stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.day-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  border: 1px solid #334155;
  background: #0f172acc;
  color: var(--text-main);
  border-radius: 10px;
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.icon-btn:hover {
  border-color: var(--accent);
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid #243244;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.8rem;
  color: var(--text-soft);
  background: #0a1020d9;
}

.stat-chip [aria-hidden="true"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  font-size: 1.15rem;
  line-height: 1;
}

.stat-chip.hypo [aria-hidden="true"] {
  font-size: 0.9rem;
}

.stat-chip.avg [aria-hidden="true"] {
  font-size: 0.85rem;
}

.day-chart-wrap {
  position: relative;
  height: 460px;
  min-width: 0;
  overflow: hidden;
}

.day-empty {
  margin: 0;
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: #facc15;
  font-size: 0.95rem;
  font-weight: 600;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.78);
  display: none;
  place-items: center;
  padding: 8px;
  z-index: 1000;
}

.modal.open {
  display: grid;
}

.modal-content {
  width: min(99vw, 2400px);
  height: min(97vh, 1400px);
  background: #040912;
  border: 1px solid #243244;
  border-radius: 12px;
  padding: 12px;
  display: grid;
  grid-template-rows: auto 1fr;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.modal-header h3 {
  margin: 0;
  font-size: 1rem;
}

.modal-chart-wrap {
  height: 100%;
  min-height: 0;
}

.modal-chart-wrap canvas {
  max-height: none;
}

@media (max-width: 1900px) {
  .day-chart-wrap {
    height: 400px;
  }
}

@media (max-width: 1200px) {
  .day-chart-wrap {
    height: 320px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 14px;
  }

  .panel {
    padding: 14px;
  }

  .month-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .month-pickers {
    width: 100%;
  }

  .controls-top-row {
    justify-content: flex-start;
  }

  .month-title-inline {
    width: 100%;
    text-align: left;
    margin-left: 0;
  }

  .month-select {
    flex: 1;
  }

  .view-picker {
    width: 100%;
  }

  .picker-field {
    width: 100%;
  }

  .view-picker label {
    min-width: 44px;
  }

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

  .day-chart-wrap {
    height: 260px;
  }
}