/* ============================================================
   CalculadorasFinancieras.es — Design System v2
   Midnight Fintech · Dark · Professional · Accessible
   ============================================================ */

/* ── Variables globales ───────────────────────────────────── */
:root {
  /* Fondos */
  --bg:        #0d1117;
  --surface:   #161b22;
  --surface-2: #1c2128;
  --surface-3: #21262d;

  /* Bordes */
  --border:       #30363d;
  --border-light: #3d444d;

  /* Colores de marca */
  --primary:       #00c896;
  --primary-dim:   rgba(0,200,150,.12);
  --primary-hover: #00a87d;
  --accent:        #d4a843;
  --accent-dim:    rgba(212,168,67,.12);

  /* Texto */
  --text:       #e6edf3;
  --text-dim:   #8b949e;
  --text-muted: #484f58;

  /* Estado */
  --green:  #3fb950;
  --red:    #f85149;
  --blue:   #58a6ff;
  --orange: #e3b341;

  /* Radios */
  --r-xs: 6px;
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.24);
  --shadow:    0 4px 12px rgba(0,0,0,.4), 0 2px 4px rgba(0,0,0,.24);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.3);
  --shadow-glow: 0 0 20px rgba(0,200,150,.15);

  /* Transiciones */
  --t: 0.2s ease;
  --t-slow: 0.35s ease;

  /* Layout */
  --max-w: 1100px;
  --gap: 20px;
}

/* ── Reset mínimo ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Tipografía ───────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  margin: 0 0 .5em;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -.02em;
}
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); margin-top: 1.5rem; }
h3 { font-size: 1.1rem; color: var(--text-dim); font-weight: 600; }
p  { margin: 0 0 .9em; color: var(--text-dim); }

/* ── Layout central ───────────────────────────────────────── */
.cf-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ───────────────────────────────────────────────── */
.cf-header {
  position: relative;
  background: linear-gradient(160deg, #0d1117 0%, #111820 50%, #0d1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px 32px;
  text-align: center;
  overflow: hidden;
}
.cf-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 30% 20%, rgba(0,200,150,.06) 0%, transparent 60%),
              radial-gradient(ellipse 50% 40% at 80% 80%, rgba(88,166,255,.04) 0%, transparent 60%);
  pointer-events: none;
}
.cf-header h1 { color: var(--text); margin-bottom: .3em; }
.cf-header h1 .accent { color: var(--primary); }
.cf-header .subtitle {
  color: var(--text-dim);
  font-size: .95rem;
  max-width: 600px;
  margin: 0 auto .8em;
}
.cf-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-dim);
  border: 1px solid rgba(0,200,150,.3);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 6px;
}

/* ── Navegación de tabs ───────────────────────────────────── */
.cf-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.cf-nav-inner {
  display: flex;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px;
  overflow-x: auto;
  scrollbar-width: none;
}
.cf-nav-inner::-webkit-scrollbar { display: none; }
.cf-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--t), border-color var(--t);
  white-space: nowrap;
}
.cf-tab:hover { color: var(--text-dim); }
.cf-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── Main content ─────────────────────────────────────────── */
.cf-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* ── Cards ────────────────────────────────────────────────── */
.cf-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), border-color var(--t);
}
.cf-card:hover { border-color: var(--border-light); }
.cf-card-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Grid de calculadora ──────────────────────────────────── */
.cf-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}
@media (max-width: 720px) {
  .cf-calc-grid { grid-template-columns: 1fr; }
}

/* ── Grid de micrositios (hub) ────────────────────────────── */
.cf-sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
@media (max-width: 600px) {
  .cf-sites-grid { grid-template-columns: 1fr; }
}

.cf-site-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 22px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t), box-shadow var(--t), transform var(--t-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.cf-site-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--t);
}
.cf-site-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow), var(--shadow-glow);
  transform: translateY(-2px);
}
.cf-site-card:hover::before { opacity: 1; }
.cf-site-card:active { transform: translateY(0); }

.cf-site-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  line-height: 1;
}
.cf-site-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -.01em;
}
.cf-site-desc {
  font-size: .82rem;
  color: var(--text-dim);
  line-height: 1.5;
  flex: 1;
}
.cf-site-arrow {
  margin-top: 14px;
  font-size: .8rem;
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Campos de formulario ─────────────────────────────────── */
.cf-field {
  margin-bottom: 18px;
}
.cf-field label,
label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 7px;
}
.cf-input-wrap {
  position: relative;
}
.cf-unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .85rem;
  color: var(--text-muted);
  pointer-events: none;
  font-weight: 500;
}

input[type=number],
input[type=text],
input[type=email],
select,
textarea {
  width: 100%;
  min-height: 44px;
  background: var(--surface-3);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 40px 10px 13px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 500;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  -moz-appearance: textfield;
  box-sizing: border-box;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; }
input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  background: rgba(0,200,150,.04);
  box-shadow: 0 0 0 3px rgba(0,200,150,.12);
}
select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  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='%238b949e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
select option { background: var(--surface-2); color: var(--text); }

/* ── Range inputs ─────────────────────────────────────────── */
.cf-range-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  letter-spacing: -.02em;
}
input[type=range] {
  width: 100%;
  height: 5px;
  background: var(--surface-3);
  border-radius: 3px;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding: 0;
  margin-top: 8px;
  outline: none;
  border: none;
}
input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(0,200,150,.15);
  transition: box-shadow var(--t), transform var(--t);
}
input[type=range]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(0,200,150,.2);
  transform: scale(1.1);
}
input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

/* ── Botón principal ──────────────────────────────────────── */
.cf-btn,
button[onclick^="calc"],
.btn-calc {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 24px;
  background: var(--primary);
  color: #0d1117;
  border: none;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  margin-top: 8px;
  box-shadow: 0 2px 8px rgba(0,200,150,.2);
}
.cf-btn:hover,
button[onclick^="calc"]:hover,
.btn-calc:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 16px rgba(0,200,150,.3);
  transform: translateY(-1px);
}
.cf-btn:active,
button[onclick^="calc"]:active,
.btn-calc:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ── Sección de resultados ────────────────────────────────── */
.cf-results {
  display: none;
  margin-top: 20px;
  animation: cfSlideUp .35s ease;
}
.cf-results.show { display: block; }
@keyframes cfSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cf-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.cf-result-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 12px;
  text-align: center;
  transition: border-color var(--t);
}
.cf-result-item.highlight {
  border-color: var(--primary);
  background: var(--primary-dim);
  box-shadow: 0 2px 8px rgba(0,200,150,.1);
}
.cf-result-item .r-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.cf-result-item .r-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}
.cf-result-item.highlight .r-value { color: var(--primary); font-size: 1.4rem; }
.r-value.green { color: var(--green); }
.r-value.red   { color: var(--red); }
.r-value.blue  { color: var(--blue); }

/* ── Insight box ──────────────────────────────────────────── */
.cf-insight {
  background: var(--surface-2);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 14px 16px;
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 12px;
}
.cf-insight strong { color: var(--text); }

/* ── Info box (azul) ──────────────────────────────────────── */
.cf-info {
  background: rgba(88,166,255,.06);
  border: 1px solid rgba(88,166,255,.2);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: .82rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  line-height: 1.65;
}
.cf-info strong { color: var(--blue); }

/* ── Sección de discapacidad ──────────────────────────────── */
.cf-dis {
  background: rgba(88,166,255,.05);
  border: 1px solid rgba(88,166,255,.15);
  border-radius: var(--r-sm);
  padding: 14px;
  margin-top: 4px;
}

/* ── Subsección label ─────────────────────────────────────── */
.cf-subsection {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  margin: 18px 0 12px;
}

/* ── Toggle switch ────────────────────────────────────────── */
.cf-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: .88rem;
  color: var(--text-dim);
  gap: 12px;
}
.cf-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.cf-toggle input { opacity: 0; width: 0; height: 0; }
.cf-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--surface-3);
  border: 1.5px solid var(--border);
  border-radius: 11px;
  transition: var(--t);
}
.cf-toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--t);
}
.cf-toggle input:checked + .cf-toggle-slider {
  background: var(--primary-dim);
  border-color: var(--primary);
}
.cf-toggle input:checked + .cf-toggle-slider::before {
  transform: translateX(18px);
  background: var(--primary);
}

/* ── Tabla amortización ───────────────────────────────────── */
.cf-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  margin-top: 12px;
  max-height: 240px;
  overflow-y: auto;
}
.cf-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}
.cf-table-wrap th {
  background: var(--surface-3);
  padding: 9px 12px;
  text-align: right;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
.cf-table-wrap th:first-child { text-align: left; }
.cf-table-wrap td {
  padding: 7px 12px;
  text-align: right;
  border-bottom: 1px solid rgba(48,54,61,.5);
  color: var(--text-dim);
}
.cf-table-wrap td:first-child { text-align: left; font-size: .75rem; color: var(--text-muted); }
.cf-table-wrap tr:hover td { background: rgba(255,255,255,.02); }
td.principal { color: var(--green); }
td.interest  { color: var(--red); }

/* ── Botón añadir/quitar ──────────────────────────────────── */
.cf-btn-add {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--r-sm);
  padding: 8px 14px;
  font-size: .82rem;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
  transition: border-color var(--t), color var(--t);
}
.cf-btn-add:hover { border-color: var(--primary); color: var(--primary); }
.cf-btn-rm {
  background: rgba(248,81,73,.08);
  border: 1px solid rgba(248,81,73,.2);
  color: var(--red);
  border-radius: var(--r-xs);
  padding: 6px 8px;
  cursor: pointer;
  font-size: .82rem;
  line-height: 1;
  transition: background var(--t);
}
.cf-btn-rm:hover { background: rgba(248,81,73,.15); }

/* ── Salary history entries ───────────────────────────────── */
.cf-salary-entry {
  display: grid;
  grid-template-columns: 1fr 1fr 38px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: end;
}
.cf-salary-entry input { margin: 0; }

/* ── Compare box ──────────────────────────────────────────── */
.cf-compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.cf-compare-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px;
  text-align: center;
  transition: border-color var(--t);
}
.cf-compare-item.highlight {
  border-color: var(--primary);
  background: var(--primary-dim);
}
.cf-compare-item .c-label {
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.cf-compare-item .c-val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.cf-compare-item.highlight .c-val { color: var(--primary); }

/* ── Tramos IRPF ──────────────────────────────────────────── */
.cf-tramo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(48,54,61,.4);
  font-size: .83rem;
}
.cf-tramo-row:last-child { border-bottom: none; }
.cf-tramo-range { color: var(--text-dim); }
.cf-tramo-pct   { color: var(--primary); font-weight: 700; }
.cf-tramo-tax   { color: var(--red); font-weight: 600; }

/* ── Donut SVG ────────────────────────────────────────────── */
.cf-donut-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.cf-donut-legend { font-size: .83rem; }
.cf-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--text-dim);
}
.cf-legend-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }

/* ── Bar chart ────────────────────────────────────────────── */
.cf-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 72px;
  margin-top: 14px;
  padding: 0 2px;
}
.cf-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}
.cf-bar {
  width: 100%;
  border-radius: 3px 3px 0 0;
  transition: height .6s ease;
  min-height: 2px;
}
.cf-bar.principal-bar { background: var(--green); opacity: .8; }
.cf-bar.interest-bar  { background: var(--red);   opacity: .7; }

/* ── Footer legal ─────────────────────────────────────────── */
.cf-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .8rem;
  line-height: 1.9;
}
.cf-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 16px;
  margin-bottom: 8px;
}
.cf-footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--t);
}
.cf-footer-links a:hover { color: var(--primary); }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Tooltip ──────────────────────────────────────────────── */
.cf-tooltip-wrap {
  position: relative;
  display: inline-block;
}
.cf-tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: help;
  margin-left: 4px;
  vertical-align: middle;
  transition: background var(--t), border-color var(--t);
}
.cf-tooltip-icon:hover { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }
.cf-tooltip-text {
  visibility: hidden;
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: .78rem;
  color: var(--text-dim);
  white-space: normal;
  min-width: 220px;
  max-width: 300px;
  z-index: 200;
  line-height: 1.6;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}
.cf-tooltip-wrap:hover .cf-tooltip-text { visibility: visible; }

/* ── Growth SVG chart ─────────────────────────────────────── */
.cf-growth-chart {
  position: relative;
  height: 110px;
  margin-top: 14px;
}
.cf-growth-chart svg { width: 100%; height: 100%; }

/* ── Responsive fixes ─────────────────────────────────────── */
@media (max-width: 760px) {
  .cf-main { padding: 20px 14px 60px; }
  .cf-card { padding: 16px; }
  .cf-tab { padding: 12px 10px; font-size: .8rem; }
  .cf-result-grid { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
  .cf-result-item .r-value { font-size: 1rem; }
  .cf-result-item.highlight .r-value { font-size: 1.2rem; }
  .cf-compare { grid-template-columns: 1fr 1fr; }
  .cf-donut-wrap { flex-direction: column; align-items: flex-start; gap: 10px; }
}
@media (max-width: 400px) {
  .cf-result-grid { grid-template-columns: 1fr 1fr; }
  .cf-compare { grid-template-columns: 1fr; }
  h1 { font-size: 1.5rem; }
}

/* ── Compatibilidad con clases antiguas (no romper JS) ────── */
.results { display: none; }
.results.show { display: block; animation: cfSlideUp .35s ease; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }
.result-item { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 14px 12px; text-align: center; }
.result-item.highlight { border-color: var(--primary); background: var(--primary-dim); }
.result-item .r-label { font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.result-item .r-value { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.result-item.highlight .r-value { color: var(--primary); font-size: 1.4rem; }
.insight { background: var(--surface-2); border-left: 3px solid var(--primary); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 14px 16px; font-size: .88rem; color: var(--text-dim); line-height: 1.7; }
.insight strong { color: var(--text); }
.info-box { background: rgba(88,166,255,.06); border: 1px solid rgba(88,166,255,.2); border-radius: var(--r-sm); padding: 12px 14px; font-size: .82rem; color: var(--text-dim); margin-bottom: 16px; }
.info-box strong { color: var(--blue); }
.dis-section { background: rgba(88,166,255,.05); border: 1px solid rgba(88,166,255,.15); border-radius: var(--r-sm); padding: 14px; margin-top: 4px; }
.section-sub { font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--text-muted); padding-bottom: 6px; border-bottom: 1px solid var(--border); margin: 18px 0 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 24px; }
.card-title { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.btn-calc { display: flex; align-items: center; justify-content: center; width: 100%; padding: 13px 24px; background: var(--primary); color: #0d1117; border: none; border-radius: var(--r-sm); font-family: inherit; font-size: .9rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; cursor: pointer; transition: background var(--t), transform var(--t), box-shadow var(--t); margin-top: 8px; }
.btn-calc:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,200,150,.3); }
.field { margin-bottom: 18px; }
.input-wrap { position: relative; }
.unit { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: .85rem; color: var(--text-muted); pointer-events: none; }
.range-val { font-size: 1.35rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-size: .88rem; color: var(--text-dim); gap: 12px; }
.toggle { position: relative; width: 40px; height: 22px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; inset: 0; background: var(--surface-3); border: 1.5px solid var(--border); border-radius: 11px; transition: var(--t); }
.toggle-slider::before { content: ''; position: absolute; width: 14px; height: 14px; left: 3px; top: 2px; background: var(--text-muted); border-radius: 50%; transition: var(--t); }
input:checked + .toggle-slider { background: var(--primary-dim); border-color: var(--primary); }
input:checked + .toggle-slider::before { transform: translateX(18px); background: var(--primary); }
.salary-entry { display: grid; grid-template-columns: 1fr 1fr 38px; gap: 8px; margin-bottom: 8px; align-items: end; }
.btn-add { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-dim); border-radius: var(--r-sm); padding: 8px 14px; font-size: .82rem; font-family: inherit; cursor: pointer; margin-top: 4px; transition: border-color var(--t), color var(--t); }
.btn-add:hover { border-color: var(--primary); color: var(--primary); }
.btn-rm { background: rgba(248,81,73,.08); border: 1px solid rgba(248,81,73,.2); color: var(--red); border-radius: var(--r-xs); padding: 6px 8px; cursor: pointer; font-size: .82rem; line-height: 1; transition: background var(--t); }
.btn-rm:hover { background: rgba(248,81,73,.15); }
.compare-box { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 14px; }
.compare-item { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 12px; text-align: center; }
.compare-item.highlight { border-color: var(--primary); background: var(--primary-dim); }
.compare-item .c-label { font-size: .72rem; color: var(--text-muted); margin-bottom: 4px; }
.compare-item .c-val { font-size: 1rem; font-weight: 700; color: var(--text); }
.compare-item.highlight .c-val { color: var(--primary); }
.tramo-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; border-bottom: 1px solid rgba(48,54,61,.4); font-size: .83rem; }
.tramo-row:last-child { border-bottom: none; }
.tramo-range { color: var(--text-dim); }
.tramo-pct { color: var(--primary); font-weight: 700; }
.tramo-tax { color: var(--red); font-weight: 600; }
.donut-wrap { display: flex; align-items: center; gap: 20px; margin-top: 14px; flex-wrap: wrap; }
.donut-legend { font-size: .83rem; }
.legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: var(--text-dim); }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.growth-chart { position: relative; height: 110px; margin-top: 14px; }
.growth-chart svg { width: 100%; height: 100%; }
.bar-chart { display: flex; align-items: flex-end; gap: 3px; height: 72px; margin-top: 14px; padding: 0 2px; }
.bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar { width: 100%; border-radius: 3px 3px 0 0; transition: height .6s ease; min-height: 2px; }
.bar.principal-bar { background: var(--green); opacity: .8; }
.bar.interest-bar { background: var(--red); opacity: .7; }
.table-wrap { overflow-x: auto; border-radius: var(--r-sm); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .8rem; }
th { background: var(--surface-3); padding: 9px 12px; text-align: right; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid var(--border); }
th:first-child { text-align: left; }
td { padding: 7px 12px; text-align: right; border-bottom: 1px solid rgba(48,54,61,.4); color: var(--text-dim); }
td:first-child { text-align: left; font-size: .75rem; color: var(--text-muted); }
tr:hover td { background: rgba(255,255,255,.02); }

/* ── Footer nav links ─────────────────────────────────────── */
footer a { color: var(--text-dim); text-decoration: none; transition: color var(--t); }
footer a:hover { color: var(--primary); }