* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: orange;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #0f172a;
  padding: 28px 16px;
}

.app-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.hero {
  text-align: center;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.85rem);
  font-weight: 800;
}

.hero p {
  margin: 10px 0 0;
  color: #475569;
  font-size: 1rem;
}

.top-nav {
  width: min(620px, 100%);
  margin: 0 auto 22px;
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid #dbe3f0;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.nav-button {
  border: 0;
  background: transparent;
  color: #1e293b;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 16px 14px;
  cursor: pointer;
}

.nav-button.active {
  background: #2f65d9;
  color: #ffffff;
}

.surface {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid #dbe3f0;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.09);
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.25fr);
  gap: 24px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 1.85rem;
}

form {
  display: grid;
  gap: 10px;
}

label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1f2f46;
}

input,
select {
  width: 100%;
  height: 46px;
  border: 1px solid #c8d3e3;
  border-radius: 10px;
  padding: 0 12px;
  font-size: 1rem;
  color: #0f172a;
  background: #fbfdff;
}

button {
  border: 0;
  border-radius: 10px;
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  padding: 11px 12px;
  cursor: pointer;
  background: #2f65d9;
}

.result-panel {
  display: grid;
  gap: 12px;
}

.result-ring {
  width: 180px;
  height: 180px;
  margin: 4px auto 2px;
  border-radius: 50%;
  background: conic-gradient(#2f65d9 0 300deg, #d6d9e0 300deg 360deg);
  display: grid;
  place-items: center;
}

.result-ring > div {
  width: 142px;
  height: 142px;
  border-radius: 50%;
  background: #ffffff;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 10px;
}

.result-ring strong {
  display: block;
  max-width: 100%;
  font-size: clamp(0.9rem, 1.7vw, 1.35rem);
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-ring span {
  font-size: 0.9rem;
  color: #475569;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-card {
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid transparent;
}

.metric-card span {
  display: block;
  font-size: 0.9rem;
  color: #1f2937;
  margin-bottom: 4px;
}

.metric-card strong {
  font-size: 1.55rem;
}

.metric-card.blue {
  background: #dce7f8;
  border-left: 4px solid #2f65d9;
}
.metric-card.blue strong {
  color: #2f65d9;
}

.metric-card.green {
  background: #ddefe4;
  border-left: 4px solid #16a34a;
}
.metric-card.green strong {
  color: #15803d;
}

.metric-card.amber {
  background: #f3e9d8;
  border-left: 4px solid #b45309;
}
.metric-card.amber strong {
  color: #b45309;
}

.metric-card.purple {
  background: #e8dff3;
  border-left: 4px solid #7c3aed;
}
.metric-card.purple strong {
  color: #6d28d9;
}

.tier-line {
  margin: 2px 0 0;
  font-size: 1rem;
}

.actions {
  display: grid;
  gap: 8px;
  margin-top: 2px;
}

#download-pdf,
#download-mortgage-pdf {
  background: #0f766e;
}

#download-pdf:hover,
#download-mortgage-pdf:hover {
  background: #0d615a;
}

#download-amortization-pdf {
  background: #14532d;
}

#download-amortization-pdf:hover {
  background: #166534;
}

#view-page-2 {
  background: #334155;
}

#view-page-2:hover {
  background: #1e293b;
}

#toggle-amortization {
  background: #1f4b66;
}

#toggle-amortization:hover {
  background: #173a50;
}

button:disabled {
  background: #9ca3af !important;
  cursor: not-allowed;
}

.tier-guide,
.amortization-section {
  margin-top: 18px;
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid #dbe3f0;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
  padding: 18px;
}

.tier-guide h2,
.amortization-section h3 {
  margin: 0 0 12px;
}

.tier-matrix {
  display: grid;
  grid-template-columns: 230px minmax(560px, 1fr);
  gap: 10px;
  align-items: start;
}

.tier-row-labels {
  display: grid;
  grid-template-rows: 52px 52px 52px 86px 86px;
}

.tier-row-label {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  text-align: right;
  padding-right: 10px;
  font-size: 0.98rem;
}

.tier-row-spacer {
  visibility: hidden;
}

.tier-table-wrap,
.amortization-table-wrap,
.tier-guide-landscape {
  overflow-x: auto;
}

.tier-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
  table-layout: fixed;
}

.tier-table th,
.tier-table td {
  border: 2px solid #111111;
  text-align: center;
  padding: 8px 5px;
  font-size: 1.02rem;
}

.tier-table th {
  font-weight: 700;
}

.split-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}

.tier-bronze {
  background: #cb8335;
}

.tier-silver {
  background: #b6b6b8;
}

.tier-gold {
  background: #f6d800;
}

.tier-platinum {
  background: #d4d4d4;
}

.tier-diamond {
  background: #9ccfdd;
}

.amortization-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.amortization-card {
  border: 1px solid #c8d3e3;
  border-radius: 10px;
  background: #f9fbff;
  padding: 10px 12px;
}

.amortization-card h4 {
  margin: 0 0 8px;
}

.amortization-card p {
  margin: 6px 0;
}

.early-record {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed #c8d3e3;
}

.early-record h5 {
  margin: 0 0 6px;
  font-size: 0.9rem;
}

.amortization-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 980px;
}

.amortization-table th,
.amortization-table td {
  border: 1px solid #9eb5d3;
  padding: 6px 8px;
  text-align: right;
  font-size: 0.88rem;
}

.amortization-table th:nth-child(1),
.amortization-table th:nth-child(2),
.amortization-table td:nth-child(1),
.amortization-table td:nth-child(2) {
  text-align: left;
}

.amortization-table thead th {
  background: #244760;
  color: #ffffff;
}

.amortization-table tbody tr:nth-child(even) {
  background: #edf2f8;
}

.pdf-capture .actions {
  display: none !important;
}

.pdf-capture .metric-card span,
.pdf-capture .metric-card strong {
  width: 100%;
  text-align: center;
}

.pdf-capture .result-ring {
  background: #2f65d9 !important;
  border: 12px solid #d6d9e0;
}

.pdf-capture input {
  text-align: left;
  padding-left: 14px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 980px) {
  .surface {
    grid-template-columns: 1fr;
  }

  .result-ring {
    width: 156px;
    height: 156px;
  }

  .result-ring > div {
    width: 124px;
    height: 124px;
  }

  .result-ring strong {
    font-size: 1.55rem;
  }

  .result-grid,
  .amortization-summary {
    grid-template-columns: 1fr;
  }

  .tier-matrix {
    min-width: 820px;
  }
}