/* ============================================================================
   Calculadora de Impuesto a la Renta · ECOIN Consultor
   Tokens tomados del sistema de diseño de www.ecoin.com.ec (Astro):
   navy #0D2C49 · secundario #415A77 · dark #0D1B2A · lima #BADB5E / #9DBF42
   fondo #F8F9FA · borde #E2E8F0 · gradiente "orion" · Inter 400–900
   ========================================================================== */
:root {
  --c-primary: #0D2C49;
  --c-secondary: #415A77;
  --c-dark: #0D1B2A;
  --c-accent: #BADB5E;
  --c-accent-dark: #9DBF42;
  --c-gray: #F8F9FA;
  --c-border: #E2E8F0;
  --c-white: #FFFFFF;
  --c-error: #b42318;
  --c-ok: #1d7a4d;
  --grad-orion: linear-gradient(135deg, #0E1F4A 0%, #1F4FA0 55%, #258BC2 100%);
  --r-card: 14px;
  --r-hero: 18px;
  --r-sm: 10px;
  --shadow-card: 0 10px 30px rgba(13, 44, 73, .10);
  --glow-lima: 0 4px 20px rgba(186, 219, 94, .45);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--c-gray);
  color: var(--c-dark);
  font-size: 16px;
  line-height: 1.55;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ---------------- hero (compacto para maximizar el área de trabajo) ---------------- */
.hero {
  background: var(--grad-orion);
  color: var(--c-white);
  padding: 10px 0 36px; /* deja sitio al solape de las pestañas */
  border-radius: 0 0 var(--r-hero) var(--r-hero);
}
.hero-row {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 8px 16px;
}
.hero-izq { flex: 1 1 300px; min-width: 0; }
.anio-box { flex: 0 1 auto; }
.hero .brand {
  margin: 0 0 2px;
  font-weight: 900;
  letter-spacing: .12em;
  color: var(--c-accent);
  font-size: .78rem;
  display: flex; align-items: center; gap: 12px;
}
.hero .brand span { color: var(--c-white); font-weight: 600; }
.volver {
  font-weight: 700; font-size: .74rem; letter-spacing: .02em;
  color: var(--c-white); text-decoration: none;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px; padding: 3px 12px;
  transition: background .15s ease, color .15s ease;
}
.volver:hover { background: var(--c-accent); color: var(--c-primary); }
.hero h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 800;
  line-height: 1.2;
}
.hero .sub { margin: 2px 0 0; opacity: .88; font-size: .78rem; }
.hero .sub strong { color: var(--c-accent); }

.anio-box {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--r-card);
  padding: 8px 12px;
  backdrop-filter: blur(4px);
}
.anio-box label { font-weight: 700; font-size: .85rem; }
.anio-box select {
  font: inherit; font-weight: 800; font-size: .9rem;
  color: var(--c-primary);
  background: var(--c-accent);
  border: none; border-radius: var(--r-sm);
  padding: 6px 12px; cursor: pointer;
  box-shadow: var(--glow-lima);
}
.chip {
  background: rgba(255, 255, 255, .12);
  border-radius: 999px; padding: 4px 12px;
  font-size: .78rem;
}
.chip [data-fb-chip] { font-weight: 800; color: var(--c-accent); }

/* ---------------- pestañas ---------------- */
.tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: -28px 0 20px;
  position: relative; z-index: 2;
}
.tabs [role="tab"] {
  flex: 1 1 160px;
  font: inherit; font-weight: 700; font-size: .95rem;
  color: var(--c-secondary);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 12px 10px;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform .15s ease, background .15s ease, color .15s ease;
  text-align: center;
}
.tabs [role="tab"] small { display: block; font-weight: 500; font-size: .75rem; opacity: .75; }
.tabs [role="tab"]:hover { transform: translateY(-2px); }
.tabs [role="tab"][aria-selected="true"] {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}
.tabs [role="tab"][aria-selected="true"] small { color: var(--c-accent); opacity: 1; }

/* ---------------- tarjetas / paneles ---------------- */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin-bottom: 24px;
}
.card h2 { margin: 0 0 6px; color: var(--c-primary); font-size: 1.3rem; font-weight: 800; }
.card h3 { color: var(--c-primary); margin: 22px 0 8px; font-size: 1.05rem; }
.lead { margin: 0 0 18px; color: var(--c-secondary); }

fieldset {
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 14px 16px 16px;
  margin: 0 0 16px;
}
legend {
  font-weight: 800; color: var(--c-primary);
  padding: 0 8px; font-size: .95rem;
}
.tag {
  background: var(--c-accent); color: var(--c-primary);
  border-radius: 999px; font-size: .75rem; font-weight: 800;
  padding: 2px 10px; margin-left: 6px;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}
label { display: block; font-weight: 600; font-size: .9rem; color: var(--c-dark); }
input[type="text"], input[type="number"], select {
  font: inherit;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-white);
  color: var(--c-dark);
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--c-accent-dark);
  box-shadow: 0 0 0 3px rgba(186, 219, 94, .35);
}
input:disabled { background: var(--c-gray); color: var(--c-secondary); cursor: not-allowed; }
input.neg { border-color: var(--c-error); color: var(--c-error); }

.check {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; margin: 10px 0 0; cursor: pointer;
}
.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--c-accent-dark); }

.btn {
  font: inherit; font-weight: 800; font-size: 1rem;
  color: var(--c-primary);
  background: var(--c-accent);
  border: none; border-radius: var(--r-sm);
  padding: 13px 28px;
  cursor: pointer;
  box-shadow: var(--glow-lima);
  transition: background .15s ease, transform .15s ease;
  margin-top: 4px;
}
.btn:hover { background: var(--c-accent-dark); transform: translateY(-1px); }

.hint { font-size: .85rem; color: var(--c-secondary); margin: 8px 0; }

/* ---------------- tooltips (data-tip) ---------------- */
.q {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--c-secondary); color: var(--c-white);
  font-size: .65rem; font-weight: 800;
  cursor: help; vertical-align: 1px;
}
[data-tip] { position: relative; }
[data-tip]:hover::after, [data-tip]:focus-within::after {
  content: attr(data-tip);
  position: absolute;
  left: 0; bottom: calc(100% + 8px);
  z-index: 30;
  width: min(320px, 78vw);
  background: var(--c-dark); color: var(--c-white);
  font-size: .78rem; font-weight: 500; line-height: 1.45;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-card);
  pointer-events: none;
}
th[data-tip]:hover::after { left: auto; right: 0; }

/* ---------------- resultados ---------------- */
.result {
  margin-top: 20px;
  border: 1px solid var(--c-border);
  border-left: 5px solid var(--c-accent);
  border-radius: var(--r-sm);
  padding: 16px 18px;
  background: var(--c-gray);
}
.result h3 { margin: 0 0 12px; }
.rgroup { display: flex; flex-direction: column; }
.rrow {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 4px;
  border-bottom: 1px dashed var(--c-border);
  font-size: .93rem;
}
.rrow .rlabel { color: var(--c-secondary); }
.rrow .rval { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.rrow.sub { background: rgba(13, 44, 73, .05); font-weight: 700; border-radius: 6px; }
.rrow.sub .rlabel { color: var(--c-primary); }
.rrow.total {
  background: var(--c-primary); color: var(--c-white);
  border-radius: var(--r-sm); border-bottom: none;
  padding: 10px 12px; margin: 6px 0;
  font-size: 1rem;
}
.rrow.total .rlabel { color: var(--c-white); font-weight: 700; }
.rrow.total .rval { color: var(--c-accent); font-size: 1.1rem; }
.rrow.total.pay .rval { color: var(--c-accent); }
.rrow.fav .rval, .rrow.sub.fav .rval { color: var(--c-ok); }
.rrow.total.fav { background: var(--c-ok); }
.rrow.total.fav .rval { color: var(--c-white); }

.notas { margin: 12px 0 0; padding-left: 20px; font-size: .84rem; color: var(--c-secondary); }
.notas li { margin-bottom: 4px; }
.alert {
  background: #FDECEA; color: var(--c-error);
  border: 1px solid #f5c6c0; border-radius: var(--r-sm);
  padding: 10px 14px; margin-bottom: 12px; font-size: .9rem; font-weight: 600;
}

/* ---------------- tabla progresiva ---------------- */
.tabla-wrap { overflow-x: auto; }
.tabla {
  width: 100%; border-collapse: collapse;
  font-size: .92rem; min-width: 560px;
  font-variant-numeric: tabular-nums;
}
.tabla th {
  background: var(--c-primary); color: var(--c-white);
  text-align: right; padding: 10px 12px; font-weight: 700;
  position: relative;
}
.tabla th:first-child { border-radius: var(--r-sm) 0 0 0; }
.tabla th:last-child { border-radius: 0 var(--r-sm) 0 0; }
.tabla td {
  text-align: right; padding: 8px 12px;
  border-bottom: 1px solid var(--c-border);
}
.tabla tbody tr:nth-child(even) { background: var(--c-gray); }
.tabla tbody tr:hover { background: rgba(186, 219, 94, .18); }

/* ---------------- toolbar y botones pequeños ---------------- */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  margin-bottom: 12px;
}
.toolbar .inline { display: flex; flex-direction: column; gap: 2px; font-size: .85rem; }
.toolbar .inline select { margin-top: 4px; padding: 8px 10px; }
.btn.sm { padding: 9px 14px; font-size: .85rem; box-shadow: none; margin-top: 0; }
.btn.ghost { background: var(--c-white); border: 1px solid var(--c-border); color: var(--c-secondary); }
.btn.ghost:hover { background: var(--c-gray); }
.subq { margin: 4px 0 10px 26px; }

/* ---------------- tabla mensual de nómina ---------------- */
.nomtab { min-width: 760px; }
.nomtab td { padding: 0; }
.nomtab td.mes { padding: 8px 10px; text-align: left; font-weight: 700; color: var(--c-primary); white-space: nowrap; }
.nomtab td.num { padding: 8px 10px; }
.nomtab input {
  width: 100%; border: none; border-radius: 0; margin: 0;
  background: transparent; text-align: right;
  font: inherit; font-variant-numeric: tabular-nums;
  padding: 8px 10px;
}
.nomtab input:focus { box-shadow: inset 0 0 0 2px var(--c-accent-dark); }
.nomtab tr.proy { background: #EDF2F7 !important; }
.nomtab tr.proy td { color: var(--c-secondary); font-style: italic; }
.nomtab tr.proy td.mes::after { content: ' ·proy'; font-size: .68rem; opacity: .7; font-style: normal; }
.nomtab tfoot td, .nomtab tfoot th {
  background: var(--c-primary); color: var(--c-white);
  font-weight: 700; padding: 9px 10px; text-align: right;
  border-bottom: none;
}
.nomtab tfoot td:first-child { text-align: left; }
.mark-real { background: var(--c-white); border: 1px solid var(--c-border); border-radius: 4px; padding: 0 6px; }
.mark-proy { background: #EDF2F7; border: 1px solid var(--c-border); border-radius: 4px; padding: 0 6px; font-style: italic; }

/* vista previa de trabajadores importados (planilla IESS) */
.prev-panel {
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-white);
  margin: 0 0 14px;
  overflow: hidden;
  width: 100%;
}
.prev-head {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; border: none; cursor: pointer; text-align: left;
  font-family: inherit;
  background: var(--c-gray);
  border-bottom: 1px solid var(--c-border);
  padding: 10px 14px;
  font-weight: 800; font-size: .78rem;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--c-primary);
  transition: background .15s ease;
}
.prev-head:hover { background: rgba(186, 219, 94, .18); }
.prev-chev { font-size: .9rem; color: var(--c-accent-dark); }
.prev-search {
  display: block; padding: 10px 14px 0;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--c-secondary);
}
.prev-search input { max-width: 280px; display: block; }
.prev-wrap {
  max-height: 300px; overflow: auto;
  margin: 10px 14px 14px;
  border: 1px solid var(--c-border); border-radius: var(--r-sm);
}
.prevtab { min-width: 640px; }
.prevtab th {
  position: sticky; top: 0; z-index: 5;
  text-align: left; font-size: .78rem;
  letter-spacing: .04em; text-transform: uppercase;
}
.prevtab td { text-align: left; padding: 9px 12px; white-space: nowrap; }
.prevtab td.num { text-align: right; font-variant-numeric: tabular-nums; }
.prevtab tr.sel { background: rgba(186, 219, 94, .22) !important; }
.prevtab .usar {
  font: inherit; font-size: .78rem; font-weight: 700;
  background: var(--c-primary); color: var(--c-white);
  border: none; border-radius: 8px;
  padding: 6px 14px; cursor: pointer;
  transition: background .15s ease;
}
.prevtab .usar:hover { background: var(--c-secondary); }

/* aviso legal */
.card.aviso { border-left: 5px solid var(--c-accent); }
.card.aviso h2 { font-size: 1.05rem; }
.card.aviso p { font-size: .87rem; color: var(--c-secondary); margin: 8px 0 0; }
.aviso-mini { margin-top: 12px; border-top: 1px dashed var(--c-border); padding-top: 8px; }

/* RIMPE */
.rimpe-tipo { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.rimpe-tipo label {
  flex: 1 1 220px; display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--c-border); border-radius: var(--r-sm);
  padding: 12px 14px; cursor: pointer; font-weight: 700;
}
.rimpe-tipo label:has(input:checked) { border-color: var(--c-accent-dark); background: rgba(186, 219, 94, .15); }
.rimpe-tipo input { accent-color: var(--c-accent-dark); width: 17px; height: 17px; }
.rimpe-tipo small { display: block; font-weight: 500; color: var(--c-secondary); }

.legal { font-size: .85rem; color: var(--c-secondary); padding-left: 20px; }
.legal li { margin-bottom: 6px; }

/* ---------------- pie ---------------- */
footer {
  background: var(--c-dark); color: var(--c-white);
  margin-top: 32px; padding: 26px 0;
}
footer a { color: var(--c-accent); text-decoration: none; }
footer .fine { font-size: .78rem; opacity: .7; margin: 6px 0 0; }

/* ---------------- responsive ---------------- */
@media (max-width: 640px) {
  .card { padding: 18px 14px; }
  .hero { padding: 30px 0 46px; }
  .tabs [role="tab"] { flex: 1 1 46%; }
  .rrow { font-size: .87rem; }
  [data-tip]:hover::after { width: 86vw; }
}