:root {
  --bg:      #0a0a0a;
  --panel:   #141414;
  --line:    #2a2a2a;
  --text:    #ffffff;
  --muted:   #a0a0a0;
  --accent:  #ff8c00;
  --accent2: #b0b0b0;
  --accent3: #ffa940;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Palatino Linotype', Georgia, serif;
  font-size: 14px;
  line-height: 1.5;
}

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

header h1 {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card.error {
  border-color: #b62324;
  color: #ffb3b3;
  white-space: pre-wrap;
  font-size: 13px;
}

h2 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
}

.welcome-card {
  background: linear-gradient(135deg, #141414 0%, #1a1a1a 100%);
  border-left: 3px solid var(--accent);
}
.welcome-card h2 {
  color: var(--accent);
  margin-bottom: 10px;
}
.welcome-card p {
  color: #d0d0d0;
  font-size: 13px;
  line-height: 1.55;
  margin: 8px 0;
}
.welcome-card strong { color: var(--accent); }

.warning-box {
  background: #1a1408;
  border: 1px solid #3d2e10;
  border-left: 3px solid var(--accent3);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 16px;
}
.warning-box > strong {
  display: block;
  color: var(--accent3);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.warning-box p {
  color: #d4b88a;
  font-size: 12.5px;
  line-height: 1.55;
  margin: 6px 0;
}
.warning-box ul {
  color: #d4b88a;
  font-size: 12.5px;
  line-height: 1.55;
  margin: 6px 0 6px 20px;
  padding: 0;
}
.warning-box li { margin: 3px 0; }
.warning-box strong { color: var(--accent3); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
label {
  display: flex;
  flex-direction: column;
  font-size: 12.5px;
  color: var(--muted);
  gap: 5px;
}
label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 13px;
}
input, select {
  background: #0a0a0a;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
button {
  background: var(--accent);
  color: #0a0a0a;
  border: 0;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13.5px;
  cursor: pointer;
  font-family: inherit;
}
button:hover { background: #ffa940; }
button:disabled { opacity: .55; cursor: progress; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.kpi {
  background: #0a0a0a;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.kpi .v {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.kpi .u {
  font-size: 10.5px;
  color: var(--muted);
}
.kpi small {
  color: var(--muted);
  font-size: 10.5px;
  margin-top: 3px;
  line-height: 1.3;
}

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.charts .full { grid-column: 1 / -1; }
canvas {
  background: #0a0a0a;
  border-radius: 6px;
  padding: 6px;
  max-height: 280px;
}

.info-card details {
  margin: 8px 0;
  padding: 8px 12px;
  background: #0a0a0a;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.info-card summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  padding: 3px 0;
  font-size: 13px;
}
.info-card summary:hover { color: #ffa940; }
.info-card details p {
  margin: 8px 0 2px;
  color: #d0d0d0;
  font-size: 12.5px;
  line-height: 1.55;
}
.info-card details ul {
  color: #d0d0d0;
  font-size: 12.5px;
  line-height: 1.55;
  margin: 6px 0 8px 20px;
  padding: 0;
}
.info-card details li { margin: 3px 0; }
.info-card em { color: var(--accent); font-style: normal; }

.info-card details.accuracy-note summary { color: var(--accent2); }
.info-card details.accuracy-note summary:hover { color: #d0d0d0; }

@media (max-width: 768px) {
  .charts { grid-template-columns: 1fr; }
  .wrap { padding: 12px; }
  h1 { font-size: 17px; }
  .kpi .v { font-size: 16px; }
}