:root {
  --bp-bg-1: #0a1733;
  --bp-bg-2: #112a5c;
  --bp-bg-3: #0d3b74;
  --bp-card: rgba(255, 255, 255, 0.06);
  --bp-card-edge: rgba(125, 185, 255, 0.22);
  --bp-glass: rgba(13, 30, 66, 0.55);
  --bp-accent: #38bdf8;
  --bp-accent-2: #6366f1;
  --bp-accent-glow: rgba(56, 189, 248, 0.45);
  --bp-text: #eaf2ff;
  --bp-muted: #9db6db;
  --bp-good: #34d399;
  --bp-fed: #38bdf8;
  --bp-state: #818cf8;
  --bp-ss: #f472b6;
  --bp-medicare: #fbbf24;
  --bp-retire: #2dd4bf;
  --bp-net: #34d399;
}

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

body {
  font-family: 'Sora', system-ui, sans-serif;
  color: var(--bp-text);
  min-height: 100vh;
  padding: 2rem 1.25rem 4rem;
  background:
    radial-gradient(1100px 600px at 15% -5%, var(--bp-bg-3) 0%, transparent 55%),
    radial-gradient(900px 500px at 95% 0%, #1e3a8a 0%, transparent 50%),
    linear-gradient(160deg, var(--bp-bg-1) 0%, var(--bp-bg-2) 60%, #081026 100%);
  background-attachment: fixed;
}

/* numbers in mono for that ledger feel */
.bp-hero-value, .bp-breakdown strong, .bp-summary-row strong,
.bp-th-col strong, .bp-view strong, .bp-hero-price strong,
.bp-input-row input, select {
  font-family: 'DM Mono', ui-monospace, monospace;
}

.back-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--bp-muted); text-decoration: none; font-size: .9rem;
  margin-bottom: 1.5rem; transition: color .2s;
}
.back-link:hover { color: var(--bp-accent); }
.back-arrow { font-size: 1.1rem; }

.bp-shell { max-width: 1080px; margin: 0 auto; }

.bp-header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem;
}
.bp-logo {
  width: 64px; height: 64px; flex: none; border-radius: 18px;
  display: grid; place-items: center; font-size: 2rem;
  background: linear-gradient(145deg, var(--bp-accent), var(--bp-accent-2));
  box-shadow: 0 10px 30px -8px var(--bp-accent-glow),
              inset 0 1px 0 rgba(255,255,255,.4);
}
.bp-title h1 {
  font-size: 2.2rem; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(180deg, #fff, #9cc8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.bp-title p { color: var(--bp-muted); font-size: .95rem; margin-top: .1rem; }

.bp-grid {
  display: grid; grid-template-columns: 380px 1fr; gap: 1.5rem;
  align-items: start;
}
@media (max-width: 820px) { .bp-grid { grid-template-columns: 1fr; } }

/* glossy glass card */
.bp-card {
  position: relative;
  background: linear-gradient(160deg, var(--bp-card), rgba(255,255,255,.02));
  border: 1px solid var(--bp-card-edge);
  border-radius: 20px;
  padding: 1.4rem 1.4rem 1.5rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 45px -25px rgba(0,0,0,.8),
              inset 0 1px 0 rgba(255,255,255,.10);
  overflow: hidden;
}
.bp-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(150,200,255,.55), transparent);
}

.bp-card-title {
  font-size: .82rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--bp-muted); font-weight: 600; margin-bottom: 1rem;
}

/* ---------- inputs ---------- */
.bp-field { margin-bottom: 1rem; }
.bp-field label {
  display: block; font-size: .82rem; color: var(--bp-muted);
  margin-bottom: .4rem; font-weight: 500;
}
.bp-sub { color: #6f88ad; font-weight: 400; }

.bp-field-row { display: flex; gap: .75rem; }
.bp-field-row .bp-field { flex: 1; }

.bp-input-row {
  display: flex; align-items: center; gap: .25rem;
  background: var(--bp-glass);
  border: 1px solid rgba(125,170,230,.25);
  border-radius: 12px; padding: 0 .8rem;
  transition: border-color .2s, box-shadow .2s;
}
.bp-input-row:focus-within {
  border-color: var(--bp-accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,.18);
}
.bp-input-row input {
  flex: 1; width: 100%; border: none; background: none; outline: none;
  color: var(--bp-text); font-size: 1rem; padding: .7rem 0;
}
.bp-affix { color: var(--bp-muted); font-size: .95rem; }
.has-prefix .bp-affix { margin-right: .1rem; }

select {
  width: 100%; appearance: none; cursor: pointer;
  background: var(--bp-glass);
  border: 1px solid rgba(125,170,230,.25);
  border-radius: 12px; padding: .7rem .9rem; color: var(--bp-text);
  font-size: .95rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--bp-accent) 50%),
                    linear-gradient(135deg, var(--bp-accent) 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 15px) center;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
  transition: border-color .2s, box-shadow .2s;
}
select:focus { outline: none; border-color: var(--bp-accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,.18); }
select option { background: #0e2148; color: var(--bp-text); }

.bp-error {
  color: #fca5a5; font-size: .85rem; min-height: 1.1rem; margin: .25rem 0 .5rem;
}

.bp-actions { display: flex; gap: .7rem; margin-top: .4rem; }
.bp-calc {
  flex: 1; border: none; cursor: pointer; color: #06223f; font-weight: 700;
  font-size: 1rem; padding: .85rem; border-radius: 12px;
  background: linear-gradient(145deg, #7dd3fc, var(--bp-accent));
  box-shadow: 0 12px 28px -10px var(--bp-accent-glow),
              inset 0 1px 0 rgba(255,255,255,.5);
  transition: transform .12s, box-shadow .2s;
}
.bp-calc:hover { transform: translateY(-1px);
  box-shadow: 0 16px 34px -10px var(--bp-accent-glow), inset 0 1px 0 rgba(255,255,255,.5); }
.bp-calc:active { transform: translateY(0); }
.bp-clear {
  border: 1px solid rgba(125,170,230,.3); background: transparent;
  color: var(--bp-muted); padding: .85rem 1.1rem; border-radius: 12px;
  cursor: pointer; font-size: .95rem; transition: color .2s, border-color .2s;
}
.bp-clear:hover { color: var(--bp-text); border-color: var(--bp-accent); }

/* ---------- results ---------- */
.bp-results { display: flex; flex-direction: column; gap: 1.25rem; }
.bp-placeholder {
  border: 1px dashed rgba(125,170,230,.3); border-radius: 20px;
  padding: 3.5rem 2rem; text-align: center; color: var(--bp-muted);
}
.bp-placeholder-icon { font-size: 2.4rem; margin-bottom: .8rem; opacity: .8; }
.bp-placeholder p { max-width: 32ch; margin: 0 auto; line-height: 1.5; }

.bp-output { display: flex; flex-direction: column; gap: 1.25rem; }

/* hero */
.bp-hero {
  background:
    radial-gradient(600px 200px at 80% -40%, rgba(56,189,248,.25), transparent 70%),
    linear-gradient(160deg, rgba(56,189,248,.14), rgba(99,102,241,.10));
  text-align: center;
}
.bp-hero-label { display: block; font-size: .8rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--bp-muted); }
.bp-hero-value {
  display: block; font-size: 3rem; font-weight: 500; line-height: 1.1;
  margin: .35rem 0 .2rem; letter-spacing: -.02em;
  text-shadow: 0 0 30px var(--bp-accent-glow);
}
.bp-hero-note { font-size: .8rem; color: var(--bp-accent); }
.bp-hero-price {
  margin-top: 1.1rem; padding-top: 1rem;
  border-top: 1px solid rgba(150,200,255,.15);
  display: flex; justify-content: space-between; align-items: baseline;
}
.bp-hero-price span { color: var(--bp-muted); font-size: .9rem; }
.bp-hero-price strong { font-size: 1.5rem; font-weight: 600; }

/* stacked bar */
.bp-bar {
  display: flex; height: 16px; border-radius: 8px; overflow: hidden;
  margin-bottom: 1.1rem; box-shadow: inset 0 1px 3px rgba(0,0,0,.4);
}
.bp-bar span { height: 100%; transition: width .6s ease; }

.bp-breakdown { list-style: none; }
.bp-breakdown li {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 0; border-bottom: 1px solid rgba(150,200,255,.08);
  font-size: .92rem;
}
.bp-breakdown li:last-child { border-bottom: none; }
.bp-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.bp-breakdown .bp-name { color: var(--bp-text); }
.bp-breakdown .bp-pct { color: var(--bp-muted); font-size: .8rem; margin-left: auto; }
.bp-breakdown strong { min-width: 90px; text-align: right; }

.bp-summary-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .6rem 0 0; font-size: .9rem; color: var(--bp-muted);
}
.bp-summary-row strong { color: var(--bp-text); }

/* take-home */
.bp-takehome { display: flex; gap: 1rem; }
.bp-th-col { flex: 1; text-align: center; }
.bp-th-label { display: block; font-size: .78rem; color: var(--bp-muted);
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: .3rem; }
.bp-th-col strong { font-size: 1.6rem; font-weight: 600; color: var(--bp-net); }

/* two views */
.bp-twoview { display: flex; gap: 1rem; }
@media (max-width: 480px) { .bp-twoview, .bp-takehome { flex-direction: column; } }
.bp-view {
  flex: 1; background: var(--bp-glass); border: 1px solid rgba(125,170,230,.18);
  border-radius: 14px; padding: 1rem; text-align: center;
}
.bp-view-tag { display: block; font-size: .74rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--bp-accent); margin-bottom: .4rem; }
.bp-view strong { display: block; font-size: 1.5rem; font-weight: 600; margin-bottom: .4rem; }
.bp-view-note { font-size: .78rem; color: var(--bp-muted); line-height: 1.4; }
.bp-view-home { margin-top: .7rem; padding-top: .7rem;
  border-top: 1px solid rgba(125,170,230,.18); }
.bp-view-home span { display: block; font-size: .72rem; color: var(--bp-muted);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: .25rem; }
.bp-view-home strong { display: block; font-size: 1.15rem; font-weight: 600; }

.bp-disclaimer { font-size: .74rem; color: #6f88ad; text-align: center;
  line-height: 1.5; padding: 0 1rem; }