:root {
  color-scheme: dark;
  --bg: #0d0f14;
  --card: #151923;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --accent: #6cc1ff;
  --border: #252b3a;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #111626, #0b0d12 45%);
  color: var(--text);
  min-height: 100vh;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  display: grid;
  gap: 24px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
}

.reset-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(108, 193, 255, 0.05);
}

.reset-btn:active {
  background: rgba(108, 193, 255, 0.1);
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.time-field {
  display: grid;
  gap: 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.time-field select,
.time-field input {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #0d111b;
  color: var(--text);
  font-size: 1.1rem;
  padding: 14px 12px;
  min-height: 52px;
  width: 100%;
  text-align: center;
  touch-action: manipulation;
}

.time-field select:focus,
.time-field input:focus {
  outline: 2px solid rgba(108, 193, 255, 0.5);
  outline-offset: 2px;
}


.time-display {
  font-variant-numeric: tabular-nums;
  font-size: 1.4rem;
  background: #0f1420;
  border-radius: 12px;
  padding: 12px 14px;
  text-align: center;
}

.time-display.compact {
  font-size: 1.1rem;
  padding: 8px 12px;
  opacity: 0.9;
}

@media (max-width: 480px) {
  .page {
    padding: 24px 16px 36px;
  }

  .card {
    padding: 16px;
  }

  .time-field select {
    font-size: 1rem;
    min-height: 48px;
  }

  .time-field input {
    font-size: 1rem;
    min-height: 48px;
  }
}

.sector-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.sector-item {
  display: grid;
  gap: 4px;
  text-align: center;
}

.sector-item .label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sector-item .value {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

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

.sector-table thead {
  background: #0d111b;
}

.sector-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.sector-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.sector-table tbody tr {
  background: #0d111b;
}

.sector-table tbody tr.highlight {
  background: rgba(108, 193, 255, 0.1);
  border: 1px solid var(--accent);
}

.sector-table tbody tr.highlight td {
  color: var(--accent);
  font-weight: 500;
}

.calculation {
  background: #0d111b;
  border-radius: 12px;
  padding: 12px 14px;
  font-family: "SF Mono", "Monaco", monospace;
  font-size: 0.95rem;
  line-height: 1.6;
}

.calculation p {
  margin: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}