/* ============================================
   Calculadora de Retiro Bitcoin – Fedi Mini App
   Theme: Dark-first, brutalist-minimal
   ============================================ */

:root {
  --bg: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222;
  --text: #e8e8e8;
  --text-muted: #888;
  --accent: #F07D38;
  --accent-hover: #FF964D;
  --accent-glow: rgba(240, 125, 56, 0.28);
  --green: #00c853;
  --red: #ff5252;
  --border: #2a2a2a;
  --input-bg: #111;
  --modal-overlay: rgba(0, 0, 0, 0.85);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg: #f5f5f5;
  --bg-card: #fff;
  --bg-card-hover: #fafafa;
  --text: #1a1a1a;
  --text-muted: #666;
  --border: #ddd;
  --input-bg: #f0f0f0;
  --modal-overlay: rgba(255, 255, 255, 0.9);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

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

html {
  /* ~12% más legible por defecto; crece en pantallas anchas (Meet, desktop) */
  font-size: clamp(17px, 2.85vw, 22px);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.62;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

#app {
  position: relative;
  z-index: 2;
  max-width: min(94vw, 640px);
  margin: 0 auto;
  padding: clamp(14px, 3.5vw, 22px);
  padding-bottom: clamp(40px, 5vw, 52px);
}

/* Design system (styles/bitcoin-retiro-design-system.css): capa de ruido bajo la UI */
body::after {
  z-index: 1;
  opacity: 0.12;
}

/*
 * Atmósfera .br-mesh: en el DS original los gradientes (~5% opacidad) casi no se notan
 * sobre el gris plano de tema claro (--bg #f5f5f5). Alineamos canvas con tokens --br-*
 * y reforzamos mallas en claro/oscuro para que se perciban en producción.
 */
[data-theme="light"] body {
  background-color: var(--br-bg-deep);
}

[data-theme="light"] .br-mesh {
  background:
    radial-gradient(ellipse 88% 52% at 14% 18%, rgba(240, 125, 56, 0.24) 0%, transparent 58%),
    radial-gradient(ellipse 72% 48% at 86% 82%, rgba(201, 122, 10, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 100% 65% at 50% 108%, rgba(10, 10, 30, 0.08) 0%, transparent 52%);
}

[data-theme="light"] body::after {
  opacity: 0.22;
}

html[data-theme="dark"] .br-mesh {
  background:
    radial-gradient(ellipse 62% 42% at 10% 15%, rgba(240, 125, 56, 0.11) 0%, transparent 65%),
    radial-gradient(ellipse 52% 50% at 90% 85%, rgba(201, 168, 76, 0.08) 0%, transparent 65%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(240, 125, 56, 0.04) 0%, transparent 55%);
}

/* Header */
header {
  text-align: center;
  padding: 24px 0 16px;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  appearance: none;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  width: auto;
  min-width: 0;
}

.lang-select:hover,
.lang-select:focus {
  border-color: var(--accent);
  outline: none;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}

.icon-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

#btn-help {
  font-weight: 800;
  font-size: 1.05rem;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge {
  background: var(--accent);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* — Bitcoin Retiro DS: header nav + calculadora (convive con tokens del tema) */
header.br-nav {
  text-align: left;
  padding: 0;
}

header.br-nav .br-container {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

header.br-nav .tagline {
  text-align: center;
  padding: 0 0 16px;
  margin-top: 4px;
  font-size: 1.02rem;
}

/* Nav: logo-app 3D — zoom dentro de círculo para cortar borde navy del squircle */
header.br-nav .nav-logo-zoom {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

/* Tema claro: máscara más suave + sombra ligera para integrar el squircle del PNG */
[data-theme='light'] header.br-nav .nav-logo-zoom {
  -webkit-mask-image: radial-gradient(circle, #000 64%, transparent 92%);
  mask-image: radial-gradient(circle, #000 64%, transparent 92%);
  box-shadow:
    0 2px 10px rgba(0, 0, 0, 0.07),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

header.br-nav .nav-logo-zoom img.brand-mark-app {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 50% 38%;
  transform: translate(-50%, -50%) scale(1.82);
  border-radius: 0;
}

header.br-nav .logo.br-nav-brand {
  font-size: 1.08rem;
  font-weight: inherit;
  letter-spacing: normal;
  color: inherit;
}

header.br-nav .lang-select.br-select {
  width: 72px;
  min-width: 72px;
  max-width: 100%;
}

header.br-nav .header-actions .icon-btn.br-btn {
  min-width: 42px;
  min-height: 42px;
  padding: 8px 12px;
  font-size: 1.2rem;
}

[data-theme="light"] header.br-nav {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--border);
}

#calculator .br-row.br-gap-2 .br-input {
  flex: 1;
  min-width: 0;
}

#calculator .br-row.br-gap-2 .br-select {
  flex: 0 0 auto;
  width: auto;
}

#calculator #input-currency.br-select {
  flex: 0 0 90px;
  width: 90px;
  min-width: 90px;
}

#calculator #input-frequency.br-select {
  flex: 0 0 auto;
  width: auto;
  min-width: 11em;
  max-width: 50%;
}

.card h2.br-headline {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.15rem;
  color: var(--text);
  letter-spacing: normal;
}

.result-actions.br-result-actions-row {
  flex-wrap: wrap;
  align-items: stretch;
}

.result-actions.br-result-actions-row .br-btn {
  flex: 1;
  min-width: 0;
  white-space: normal;
  text-align: center;
  line-height: 1.25;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

/* Botón calcular: DS primario gana sobre .btn-primary donde choca */
#btn-calculate.br-btn-primary {
  text-transform: none;
  letter-spacing: 0.02em;
  font-family: var(--br-font-ui), var(--font);
}

#btn-calculate.br-pulse {
  margin-top: 4px;
}

/* Campos DS en calculadora: targets táctiles y cifras más legibles */
#calculator .br-input,
#calculator .br-select {
  font-size: 1.05rem;
  min-height: 48px;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

#calculator .br-slider-value {
  font-size: 1.08rem;
}

#calculator .br-field-label,
#calculator .br-slider-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

#calculator .br-slider-hints {
  font-size: 0.8rem;
}

/* Sliders con clase DS: thumbs alineados al tamaño nuevo */
#calculator input[type="range"].br-range {
  height: 8px;
}

input[type="range"].br-range::-webkit-slider-thumb {
  width: 26px;
  height: 26px;
}

input[type="range"].br-range::-moz-range-thumb {
  width: 26px;
  height: 26px;
}

/* Environment Banner */
.env-banner {
  text-align: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.env-banner.fedi {
  background: rgba(240, 125, 56, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.env-banner.standalone {
  background: rgba(0, 200, 83, 0.1);
  color: var(--green);
  border: 1px solid rgba(0, 200, 83, 0.3);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow);
  transition: background var(--transition), border var(--transition);
}

.card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.15rem;
  color: var(--text);
}

/* Form */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group label strong {
  color: var(--accent);
  font-size: 1rem;
}

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

.input-row input {
  flex: 1;
}

input[type="number"],
select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.72rem 1rem;
  font-size: 1.05rem;
  color: var(--text);
  font-family: var(--font);
  transition: border var(--transition);
  width: 100%;
  min-width: 0;
}

input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.input-row select {
  flex: 0 0 132px;
  width: 132px;
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  outline: none;
  transition: background var(--transition);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 8px var(--accent-glow);
  transition: transform var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}

input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.range-hints {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Return context info box */
.info-box {
  margin-top: 10px;
}

.info-box-nested.br-card {
  padding: 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

.info-box-nested .info-toggle {
  border-radius: var(--br-r-md, var(--radius-sm));
}

.info-content-br {
  padding: var(--br-sp-4) var(--br-sp-5);
}

.info-toggle {
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font);
  width: 100%;
  text-align: left;
  transition: all var(--transition);
}

.info-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.info-content {
  margin-top: 8px;
  padding: 12px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  animation: fadeIn 0.2s ease;
}

.info-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.5;
}

.info-content p:last-child {
  margin-bottom: 0;
}

.info-content .info-disclaimer.br-disclaimer {
  color: var(--red);
  font-weight: 600;
  font-size: 0.75rem;
  margin-top: 8px;
}

.info-content .info-suggestion.br-body {
  color: var(--green);
  font-weight: 600;
  font-size: 0.8rem;
}

/* Buttons */
.btn-primary {
  display: block;
  width: 100%;
  padding: 1.05rem 1.1rem;
  font-size: 1.12rem;
  font-weight: 700;
  font-family: var(--font);
  color: #000;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  padding: 0.75rem 1.15rem;
  font-size: 0.98rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-accent {
  padding: 0.75rem 1.15rem;
  font-size: 1.02rem;
  font-weight: 700;
  font-family: var(--font);
  color: #000;
  background: linear-gradient(135deg, var(--accent), #ffab40);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  font-family: var(--font);
  margin-top: 12px;
}

.btn-link:hover {
  color: var(--accent);
}

/* Result cards */
.result-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 1.15rem;
}

.result-item {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.05rem;
  text-align: center;
}

.result-item.highlight {
  grid-column: 1 / -1;
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(240, 125, 56, 0.08), rgba(240, 125, 56, 0.02));
}

.result-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.45rem;
}

.result-value {
  display: block;
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text);
}

.result-value.accent {
  color: var(--green);
}

/* Chart */
.chart-container {
  position: relative;
  width: 100%;
  margin: 16px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.chart-container canvas {
  max-height: 340px;
}

/* Result actions */
.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.result-actions button {
  flex: 1;
  min-width: 0;
  white-space: normal;
  text-align: center;
  line-height: 1.25;
}

/* Aureo CTA */
.aureo-card {
  border-color: #006847;
  background: linear-gradient(135deg, rgba(0, 104, 71, 0.1), rgba(206, 17, 38, 0.05));
}

.aureo-inner {
  text-align: center;
}

.aureo-inner h2 {
  margin-bottom: 8px;
}

.aureo-inner p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.btn-aureo {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #006847, #00a86b);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
}

.btn-aureo:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 104, 71, 0.3);
}

/* Tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
}

.tool-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.tool-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.tool-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tool-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Scenarios */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.scenario-col {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
  text-align: center;
}

.scenario-col.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(240, 125, 56, 0.08), transparent);
}

.scenario-col h3 {
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.scenario-col p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.scenario-col .scenario-btc {
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent);
}

.scenario-col .scenario-fiat {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

/* Premium buttons */
.premium-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.premium-buttons button {
  flex: 1;
  min-width: 132px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--modal-overlay);
  backdrop-filter: blur(8px);
  padding: 1.1rem;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  max-width: min(94vw, 460px);
  width: 100%;
  position: relative;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.modal-help-content {
  max-width: min(96vw, 540px);
  max-height: 88vh;
  overflow-y: auto;
}

.modal-content h2 {
  font-size: 1.42rem;
  margin-bottom: 12px;
  text-align: center;
}

.modal-content p {
  color: var(--text-muted);
  font-size: 0.96rem;
  text-align: center;
  margin-bottom: 16px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  z-index: 1;
}

.modal-close:hover {
  color: var(--text);
}

.premium-features {
  list-style: none;
  margin-bottom: 24px;
}

.premium-features li {
  padding: 6px 0;
  font-size: 0.96rem;
  color: var(--text);
}

.premium-features li::before {
  content: '✓ ';
  color: var(--green);
  font-weight: 700;
}

.premium-plans {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.plan-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
}

.plan-price {
  font-size: 1rem;
  font-weight: 700;
}

.plan-sats {
  font-size: 0.8rem;
  opacity: 0.8;
  margin-top: 2px;
}

.modal-note {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
}

.restore-by-id {
  margin-bottom: 12px;
}

.restore-id-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: stretch;
  margin-top: 8px;
}

.input-restore-id {
  flex: 1;
  min-width: 140px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
}

.restore-id-help {
  margin-bottom: 0;
}

#btn-restore-by-payment-id {
  white-space: nowrap;
}

/* Payment flow states */
#payment-flow {
  text-align: center;
  padding: 8px 0;
}

.payment-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
}

.payment-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.payment-icon {
  font-size: 3rem;
  line-height: 1;
}

.payment-success .payment-icon {
  color: var(--green);
}

.payment-icon.timeout {
  color: var(--accent);
}

.payment-icon.error {
  color: var(--red);
}

.payment-invoice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.payment-amount {
  font-size: 1.3rem !important;
  font-weight: 800;
  color: var(--accent) !important;
}

#payment-qr {
  border-radius: var(--radius-sm);
  max-width: 220px;
}

.payment-hint {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
}

.payment-invoice-str {
  display: flex;
  gap: 6px;
  width: 100%;
}

.payment-invoice-str input {
  flex: 1;
  min-width: 0;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.7rem;
  font-family: monospace;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
}

.payment-invoice-str .btn-secondary {
  white-space: nowrap;
  font-size: 0.75rem;
  padding: 8px 12px;
}

.payment-waiting {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Accordion (Manual) */
.accordion {
  text-align: left;
  margin-bottom: 16px;
}

.accordion details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  overflow: hidden;
}

.accordion summary {
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform var(--transition);
}

.accordion details[open] summary::after {
  content: '−';
}

.accordion summary:hover {
  background: var(--input-bg);
}

.acc-body {
  padding: 0 16px 16px;
}

.acc-body p {
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.55;
}

.acc-body p strong {
  color: var(--text);
}

.acc-body p:last-child {
  margin-bottom: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

footer .small {
  font-size: 0.8rem;
  margin-top: 4px;
  opacity: 0.7;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.card.show {
  animation: slideUp 0.35s ease forwards;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--accent);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 2000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

/* Resultados: botones a ancho completo en móvil / columnas estrechas */
@media (max-width: 640px) {
  .result-actions {
    flex-direction: column;
  }

  .result-actions button,
  .result-actions.br-result-actions-row .br-btn {
    width: 100%;
    min-width: 0;
    flex: none;
  }
}

/* Responsive */
@media (max-width: 480px) {
  #app {
    padding: 12px;
  }

  .card {
    padding: 18px;
  }

  .result-value {
    font-size: 1.22rem;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .premium-buttons {
    flex-direction: column;
  }
}

@media (min-width: 768px) {
  #app {
    padding: 28px;
  }
}

/* Print */
@media print {
  body { background: #fff; color: #000; }
  .btn-primary, .btn-secondary, .btn-accent, .btn-link, #btn-calculate,
  .result-actions, .premium-buttons, #modal-premium, #modal-help,
  #aureo-cta, #tools-section,
  #header .header-actions, footer { display: none; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}