*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117;
  --card-bg: #161b27;
  --card-bg2: #1a2032;
  --border: #2a3348;
  --text: #e2e8f0;
  --text-muted: #7a8ba0;
  --accent: #3b82f6;
  --accent-glow: rgba(59,130,246,0.15);
  --green: #22c55e;
  --gold: #f59e0b;
  --red: #ef4444;
  --input-bg: #1e2536;
  --radius: 12px;
  --radius-sm: 8px;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 12px 24px;
}

/* ── Header ── */
header {
  padding: 20px 4px 8px;
  text-align: center;
}
header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
header .subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.contract-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
}

/* ── Cards ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 10px 0;
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.card-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-header.clickable {
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.card-header.clickable:active { opacity: 0.7; }
.chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.25s;
}
.card.open .chevron { transform: rotate(180deg); }

.card-body { padding: 14px 16px; }

/* Collapsible */
.collapsible .card-body {
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.collapsible.open .card-body {
  max-height: 3000px;
  padding-top: 14px;
  padding-bottom: 14px;
}

/* ── Form elements ── */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
input[type="date"],
input[type="number"],
input[type="text"],
select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 12px;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  transition: border-color 0.15s;
}
input[type="date"]:focus,
input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  border-color: var(--accent);
}
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a8ba0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

/* Radio pills */
.pill-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.pill-group.two > label { flex: 1; min-width: 0; }
.pill-group.three > label { flex: 1; min-width: 0; }
.pill-opt { position: relative; }
.pill-opt input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.pill-opt span {
  display: block;
  text-align: center;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  line-height: 1.3;
  white-space: nowrap;
}
.pill-opt input[type="radio"]:checked + span {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Checkbox row */
.check-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.check-field input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.check-field label {
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
}

/* Two-column grid for small inputs */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* ── Output rows ── */
.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  gap: 8px;
}
.row:last-child { border-bottom: none; }
.row .lbl {
  font-size: 0.82rem;
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
}
.row .val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}
.row.big .lbl { font-size: 0.88rem; color: var(--text); font-weight: 500; }
.row.big .val { font-size: 1rem; color: var(--green); }
.row.total .lbl { font-size: 0.9rem; color: var(--text); font-weight: 600; }
.row.total .val { font-size: 1.15rem; font-weight: 700; color: var(--gold); }
.row.subtotal .val { color: var(--green); }
.row.tax-line .val { color: var(--red); }

/* Summary card */
.summary-card {
  background: linear-gradient(135deg, #1a2540 0%, #0f1628 100%);
  border-color: #2a3f6f;
}
.summary-card .card-header { border-bottom-color: #2a3f6f; }
.big-number {
  text-align: center;
  padding: 16px 0 8px;
}
.big-number .amount {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.03em;
  line-height: 1;
}
.big-number .label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.biweekly-sub {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 10px;
}
.biweekly-sub strong { color: var(--green); font-size: 0.95rem; }

.divider { height: 1px; background: var(--border); margin: 8px 0; }

/* Breakdown lines inside summary */
.breakdown-line {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 0.82rem;
}
.breakdown-line .lbl { color: var(--text-muted); }
.breakdown-line .val { color: var(--text); font-weight: 600; }

/* ── Section title ── */
.section-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 14px 0 8px;
}
.section-title:first-child { margin-top: 0; }

/* FDP method toggle */
.method-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}
.method-toggle .pill-opt { flex: 1; }

/* Take-home total */
.takehome-box {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 10px;
  text-align: center;
}
.takehome-box .amount {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.02em;
}
.takehome-box .label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.takehome-box .sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.takehome-box .sub strong { color: var(--green); }

/* 401k notice */
.notice {
  background: rgba(59,130,246,0.08);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 9px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 10px 0;
  line-height: 1.5;
}
.notice strong { color: var(--accent); }

/* Footer */
footer {
  text-align: center;
  padding: 20px 8px 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Info tag */
.info-tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 1px 7px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-left: 6px;
  vertical-align: middle;
}

/* Service year pill next to hire date */
.hire-meta {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.meta-pill strong { color: var(--accent); font-size: 0.8rem; }

/* Scrollable rate table on small screens */
.rate-table-wrap { overflow-x: auto; }

/* Toggle hint */
.toggle-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

/* Warning */
.warn {
  background: rgba(245,158,11,0.08);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 8px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 6px 0;
}

/* ── Multi-Year Projection Table ── */
.proj-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.proj-table {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: 0.8rem;
}
.proj-table thead tr {
  border-bottom: 2px solid var(--border);
}
.proj-table thead th {
  padding: 8px 10px 10px;
  text-align: right;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  background: var(--card-bg);
}
.proj-table thead th.proj-metric-th {
  text-align: left;
  min-width: 118px;
  max-width: 118px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.proj-sub {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--text-muted);
  opacity: 0.7;
}
.proj-table tbody td {
  padding: 6px 10px;
  text-align: right;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text);
  white-space: nowrap;
  font-size: 0.82rem;
}
.proj-metric-td {
  text-align: left !important;
  color: var(--text-muted) !important;
  font-size: 0.78rem !important;
  min-width: 118px;
  max-width: 118px;
  padding-right: 6px !important;
}
/* Section header rows */
.proj-table tr.proj-section td {
  padding: 10px 10px 3px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  border-bottom: none;
  background: rgba(59,130,246,0.04);
}
/* Highlight rows (base salary) */
.proj-table tr.proj-hl td {
  font-weight: 700;
  background: rgba(255,255,255,0.02);
}
/* Total row */
.proj-table tr.proj-total td {
  font-weight: 800;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-top: 8px;
  padding-bottom: 8px;
}
.proj-total-val { color: var(--gold) !important; }
/* "Now" column highlight */
.proj-col-now {
  background: rgba(59,130,246,0.07) !important;
  color: var(--text) !important;
}
thead .proj-col-now {
  color: var(--accent) !important;
}

/* Responsive tweaks for very small screens */
@media (max-width: 360px) {
  .pill-opt span { font-size: 0.75rem; padding: 8px 6px; }
  .three-col { grid-template-columns: 1fr 1fr; }
}