@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;700&display=swap');

:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #5f6368;
  --panel: #f7f7f7;
  --panel-2: #ffffff;
  --border: #dcdcdc;
  --brand: #b00000;
  --brand-soft: rgba(176, 0, 0, 0.08);
  --ok: #4caf50;
  --ok-hover: #3f9c43;
  --accent-blue: #eaf3ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Poppins, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  text-align: center;
}

/* Shared styling used by legacy interest simulator page */
body.interest-page {
  transition: background-color 0.5s, color 0.5s;
}

.summary-table-container {
  display: block;
  background: #f7f7f7;
  border-radius: 8px;
  border: 3px solid #b00000;
  color: #000;
  margin: 30px auto;
  width: 85%;
  padding: 24px;
  box-shadow: 0 0 0 4px rgba(176, 0, 0, 0.08);
}

.top-related-link {
  max-width: 1100px;
  margin: 8px auto 12px auto;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #b5cff7;
  background: linear-gradient(180deg, #eef5ff 0%, #e2edff 100%);
  text-align: center;
  font-size: 16px;
  font-weight: 700;
}

.top-related-link a,
.top-related-link a:visited {
  color: #0b2b52;
  text-decoration: none;
}

.top-related-link a:hover,
.top-related-link a:focus {
  color: #102a72;
  text-decoration: underline;
}

.dark-mode .top-related-link {
  background: linear-gradient(180deg, #1f2a3b 0%, #1b2433 100%);
  border-color: #2f4361;
}

.dark-mode .top-related-link a,
.dark-mode .top-related-link a:visited {
  color: #cfe3ff;
}

.dark-mode .top-related-link a:hover,
.dark-mode .top-related-link a:focus {
  color: #e6f0ff;
}


.input-container {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.input-container input,
.input-container select {
  margin: 5px;
  padding: 8px;
  font-size: 16px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

.button-container button {
  background-color: #4CAF50;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-bottom: 7px;
}

.button-container button:hover {
  background-color: #45a049;
}

.table-container {
  margin: 20px auto;
  width: 95%;
  max-width: 1300px;
  max-height: 70vh;
  overflow-x: auto;
  overflow-y: auto;
}

.intro-container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
  text-align: left;
}

.chart-container {
  width: 60%;
  margin: auto;
  border-color: #ff00;
  background: #222;
  padding: 20px;
  border-radius: 10px;
  height: 500px;
  min-height: 400px;
}

@media (max-width: 600px) {
  .input-container {
    flex-direction: column;
    align-items: center;
    gap: 5px;
    width: 100%;
    max-width: 400px;
    margin: auto;
  }

  .input-container input,
  .input-container select {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 768px) {
  .table-container {
    width: 95%;
  }

  .intro-container {
    max-width: 100%;
    padding: 10px;
  }

  .chart-container {
    width: 90%;
  }
}

.page-wrap {
  width: min(1100px, 95%);
  margin: 0 auto;
  padding: 24px 0 40px;
}

h1 {
  margin: 16px 0 8px;
  font-size: clamp(1.35rem, 1.1rem + 1.2vw, 2rem);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.1rem, 1rem + 0.7vw, 1.45rem);
}

.lead {
  max-width: 880px;
  margin: 0 auto 20px;
  color: var(--muted);
  line-height: 1.55;
  text-align: left;
}

.card {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin: 16px auto;
  text-align: left;
}

.card.emphasis {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px 16px;
}

.control {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.control label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.control .value {
  font-size: 0.9rem;
  color: var(--brand);
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brand);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(170px, 1fr));
  gap: 10px;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 10px;
}

.metric .label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.metric .number {
  font-size: 1rem;
  font-weight: 700;
}

.chart-shell {
  background: #1e1e1e;
  border-radius: 12px;
  padding: 14px;
  height: 430px;
}

.table-wrap {
  overflow: auto;
  max-height: 360px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  border-bottom: 1px solid #ececec;
  padding: 8px;
  text-align: right;
  font-size: 0.85rem;
}

th {
  position: sticky;
  top: 0;
  background: var(--ok);
  color: #fff;
  z-index: 1;
}

th:first-child,
td:first-child {
  text-align: center;
}

td:nth-child(4),
th:nth-child(4) {
  background: var(--accent-blue);
}

.note {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.45;
}

.footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 930px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }
}

@media (max-width: 560px) {
  .metrics {
    grid-template-columns: 1fr;
  }

  .chart-shell {
    height: 340px;
  }
}