/* Layout Container */
.calculator-container {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
}

/* Sidebar (Inputs) */
.calc-sidebar {
  width: 350px;
  padding: 40px;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.calc-title { font-size: 1.5rem; margin-bottom: 30px; }

.input-block { margin-bottom: 20px; text-align: left; }
.input-block label { display: block; font-size: 0.85rem; color: #aaa; margin-bottom: 8px; }

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input, .input-block > input[type="number"] {
  width: 100%;
  background: #111;
  border: 1px solid #333;
  padding: 12px;
  color: #fff;
  border-radius: 8px;
  font-size: 1.1rem;
}

.prefix { position: absolute; left: 12px; color: #666; }
.input-wrapper input#loanAmount { padding-left: 30px; }
.suffix { position: absolute; right: 12px; color: #666; }

/* Radio Toggles */
.radio-group {
  display: flex;
  background: #111;
  padding: 4px;
  border-radius: 8px;
  margin-top: 8px;
}
.radio-label { flex: 1; text-align: center; cursor: pointer; }
.radio-label input { display: none; }
.radio-label span {
  display: block;
  padding: 6px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: #666;
}
.radio-label input:checked + span { background: #333; color: #fff; }

.calc-btn {
  width: 100%;
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 15px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
}

/* Main Area (Results) */
.calc-main { flex: 1; padding: 40px; text-align: left; }

.res-label { font-size: 1rem; color: #aaa; }
.res-value { font-size: 3.5rem; font-weight: 800; margin: 10px 0 40px 0; color: #fff; }

.results-grid { display: flex; gap: 40px; align-items: center; }
.stats-table { flex: 1; }
.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.stat-label { color: #888; }
.stat-num { font-weight: 600; }

/* Pie Chart SVG */
.chart-container { width: 200px; text-align: center; }
.circular-chart { width: 100%; height: auto; transform: rotate(-90deg); }
.circle-bg { fill: none; stroke: #10b981; stroke-width: 3.8; } /* Interest Color */
.circle { fill: none; stroke: #2563eb; stroke-width: 3.8; stroke-linecap: round; } /* Principal Color */

.chart-legend { margin-top: 20px; font-size: 0.8rem; color: #aaa; }
.legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.dot { width: 10px; height: 10px; border-radius: 2px; }
.dot.principal { background: #2563eb; }
.dot.interest { background: #10b981; }

.extra-options summary { font-size: 0.85rem; color: #2563eb; cursor: pointer; margin-top: 20px; }

@media (max-width: 900px) {
  .calculator-container { flex-direction: column; }
  .calc-sidebar { width: 100%; border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .results-grid { flex-direction: column; }
}