/*
  Invest Early — stylesheet
  (c) 2026 Adam Whitlatch. All rights reserved.
*/

:root {
  --navy: #021D38;
  --navy-soft: #123456;
  --bg: #F7F9FB;
  --white: #FFFFFF;
  --border: #D9DEE5;
  --text: #1C2733;
  --text-secondary: #5A6B7D;
  --gold: #C8942C;
  --gold-text: #3D2A05;
  --gold-bg: #FBF0DC;
  --green-bg: #B7E4C9;
  --green-text: #0F4A2E;
  --slate-bg: #C9D9E8;
  --slate-text: #1B3A54;
  --danger-bg: #FBE4E1;
  --danger-text: #8A2A1F;
  --radius: 10px;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

h1, h2 { color: var(--navy); font-weight: 600; margin: 0 0 0.5rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }

.site-header {
  background: var(--navy);
  padding: 0.75rem 1rem;
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-img { height: 40px; width: 40px; object-fit: contain; border-radius: 6px; display: block; background: var(--white); }
.header-titles { display: flex; flex-direction: column; }
.site-title { color: var(--white); font-weight: 600; font-size: 1.05rem; }
.site-subtitle { color: var(--gold); font-size: 0.75rem; }

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.disclaimer-banner {
  background: var(--gold-bg);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--gold-text);
}
.disclaimer-banner p { margin: 0; }

.intro p { color: var(--text-secondary); }
.link-button {
  background: none;
  border: none;
  color: var(--navy);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}
.how-it-works {
  margin-top: 0.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.how-it-works p:last-child { margin-bottom: 0; }

.summary-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 1rem;
}
.summary-item { text-align: center; }
.summary-label { color: var(--gold); font-size: 0.75rem; margin: 0 0 4px; }
.summary-value { color: var(--white); font-size: 1.4rem; font-weight: 600; margin: 0; }

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.frozen-header {
  position: -webkit-sticky;
  position: sticky;
  top: -1px;
  padding-top: calc(0.6rem + 1px);
  z-index: 50;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 1rem;
  padding-right: 1rem;
  padding-bottom: 0.6rem;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: 0 4px 12px rgba(2,29,56,0.10);
  border-bottom: 1px solid var(--border);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}

/* Locked summary bar — always visible, never collapsible */
.frozen-summary-bar {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}
.frozen-summary-bar .summary-item { display: flex; flex-direction: column; gap: 2px; text-align: left; flex: 1 1 140px; }
.frozen-summary-bar .summary-label { color: var(--gold); font-size: 0.85rem; font-weight: 600; margin: 0; }
.frozen-summary-bar .summary-value { color: var(--white); font-size: 1.25rem; font-weight: 700; margin: 0; }

/* Collapsible global inputs section */
.frozen-inputs-section { padding: 0.6rem 0.9rem; }
.frozen-col-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.frozen-col-header h2 { font-size: 0.9rem; margin: 0; }
.frozen-inputs-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  margin-top: 8px;
}
.frozen-inputs-fields[hidden] { display: none; }
.frozen-inputs-fields .field { flex: 1 1 130px; gap: 2px; }
.frozen-inputs-fields .field-label { font-size: 0.7rem; }
.frozen-inputs-fields input[type="number"] { padding: 5px 8px; font-size: 0.85rem; }
.tiny-button { padding: 6px 10px; font-size: 0.75rem; align-self: flex-end; }

@media (max-width: 800px) {
  .frozen-summary-bar {
    flex-wrap: nowrap;
    gap: 6px;
    padding: 0.5rem 0.7rem;
  }
  .frozen-summary-bar .summary-item { flex: 1 1 0; text-align: center; }
  .frozen-summary-bar .summary-label { font-size: 0.62rem; line-height: 1.15; }
  .frozen-summary-bar .summary-value { font-size: 0.95rem; }
  .frozen-inputs-fields .field { flex: 1 1 45%; }
}
.collapsible-toggle {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 0;
  text-align: left;
}
.chevron { color: var(--navy); font-size: 1rem; transition: transform 0.15s ease; flex-shrink: 0; }
.collapsible-toggle[aria-expanded="false"] .chevron { transform: rotate(-90deg); }

.panel-header-3col {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}
.panel-header-3col .center-btn { justify-self: center; }
.collapse-toggle-button {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-self: end;
  background: var(--bg);
  border: 1.5px solid var(--navy);
  color: var(--navy);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.collapse-toggle-button:hover { background: var(--navy); color: var(--white); }
.collapse-toggle-button .chevron { font-size: 1.1rem; }

@media (max-width: 640px) {
  .panel-header-3col { grid-template-columns: 1fr; justify-items: stretch; }
  .panel-header-3col .center-btn, .panel-header-3col .collapse-toggle-button { justify-self: stretch; justify-content: center; }
}
#growthPanelBody, #withdrawPanelBody { margin-top: 0.25rem; }
#growthPanelBody[hidden], #withdrawPanelBody[hidden] { display: none; }

.chart-key {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}
.chart-key-item { display: flex; align-items: center; gap: 6px; }
.chart-key .swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.chart-key .swatch.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); border: 1.5px solid #FFFFFF; box-shadow: 0 0 0 1px var(--gold); }
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.panel-help { color: var(--text-secondary); font-size: 0.85rem; margin: 0 0 0.75rem; }

.phase-badge {
  display: inline-block;
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}
.phase-growth { background: var(--green-bg); color: var(--green-text); }
.phase-withdraw { background: var(--slate-bg); color: var(--slate-text); }

.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
}
.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--text-secondary); }
.field-label { font-weight: 500; }
input[type="number"], input[type="text"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.95rem;
  background: var(--white);
  color: var(--text);
  width: 100%;
}
input:focus { outline: 2px solid var(--navy-soft); outline-offset: 1px; }

.secondary-button {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}
.secondary-button:hover { background: var(--bg); }
.secondary-button:active { transform: scale(0.98); }

.primary-button {
  background: var(--gold);
  color: var(--gold-text);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.primary-button:hover { filter: brightness(0.95); }

.bracket-row {
  display: grid;
  gap: 8px;
  align-items: end;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.bracket-row-growth { grid-template-columns: 70px 1fr 1fr 1fr auto; }
.bracket-row-withdraw { grid-template-columns: 70px 1fr 1fr 1fr; }
.bracket-row:last-child { border-bottom: none; }
.bracket-row .mini-field { display: flex; flex-direction: column; gap: 3px; font-size: 0.75rem; color: var(--text-secondary); }
.bracket-row .mini-field input { padding: 6px 8px; font-size: 0.85rem; }
.irs-btn {
  background: none;
  border: 1px dashed var(--gold);
  color: var(--gold-text);
  border-radius: 8px;
  font-size: 0.7rem;
  padding: 6px 8px;
  cursor: pointer;
  white-space: nowrap;
}

.irs-note {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--bg);
  border-radius: 8px;
  padding: 8px 10px;
}
.note-icon {
  display: inline-flex;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 0.7rem;
  margin-right: 6px;
}

.warnings-list { margin: 0; padding-left: 1.1rem; color: var(--danger-text); font-size: 0.85rem; }
#warningsPanel { background: var(--danger-bg); border-color: var(--danger-text); }
#warningsPanel h2 { color: var(--danger-text); }

.chart-wrap { position: relative; height: 260px; margin-bottom: 0.5rem; }

.milestone-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.milestone-list li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.tabs { display: flex; gap: 6px; background: var(--bg); border-radius: 10px; padding: 4px; width: fit-content; margin-bottom: 1rem; }
.tab-button {
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 4px;
  cursor: pointer;
}
.tab-button .phase-badge { opacity: 0.55; }
.tab-button.active .phase-badge { opacity: 1; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th, .data-table td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table thead th { color: var(--text-secondary); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }

.share-row { display: flex; gap: 8px; }
.share-row input { flex: 1; }

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
}
.version-tag { margin-top: 4px; opacity: 0.6; font-size: 0.7rem; }

@media (max-width: 640px) {
  .bracket-row-growth {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "age age"
      "monthly rate"
      "match irsbtn";
  }
  .bracket-row-growth .mini-field:nth-child(1) { grid-area: age; }
  .bracket-row-growth .mini-field:nth-child(2) { grid-area: monthly; }
  .bracket-row-growth .mini-field:nth-child(3) { grid-area: rate; }
  .bracket-row-growth .mini-field:nth-child(4) { grid-area: match; }
  .bracket-row-growth .irs-btn { grid-area: irsbtn; align-self: center; }

  .bracket-row-withdraw {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "age age"
      "monthly yearly"
      "rate rate";
  }
  .bracket-row-withdraw .mini-field:nth-child(1) { grid-area: age; }
  .bracket-row-withdraw .mini-field:nth-child(2) { grid-area: monthly; }
  .bracket-row-withdraw .mini-field:nth-child(3) { grid-area: yearly; }
  .bracket-row-withdraw .mini-field:nth-child(4) { grid-area: rate; }
}