/* inplata.es - Estilos */
:root {
  --inplata-accent: #6b8a9e;
  --inplata-accent-light: #8fa9bc;
  --inplata-accent-dark: #4a6275;
  --inplata-bg: #f4f6f8;
  --inplata-card: #fff;
  --inplata-border: #dde3e9;
  --inplata-text: #1a2229;
  --inplata-muted: #5a6670;
  --inplata-radius: 10px;
  --inplata-shadow: 0 2px 12px rgba(30, 45, 58, 0.07);
  --inplata-shadow-hover: 0 8px 24px rgba(74, 98, 117, 0.14);
}

body {
  background-color: var(--inplata-bg);
  color: var(--inplata-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Navbar */
.navbar-inplata {
  background: var(--inplata-card) !important;
  border-bottom: 1px solid var(--inplata-border);
  box-shadow: var(--inplata-shadow);
}

.navbar-inplata .navbar-brand {
  font-weight: 700;
  color: var(--inplata-text) !important;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.navbar-inplata .navbar-brand img,
.navbar-inplata .navbar-brand .navbar-logo {
  height: 40px;
  width: auto;
  display: block;
}

.navbar-inplata .nav-link {
  color: var(--inplata-muted) !important;
  font-weight: 500;
  padding: .5rem .75rem !important;
  border-radius: 6px;
}

.navbar-inplata .nav-link:hover {
  color: var(--inplata-accent-dark) !important;
  background: rgba(107, 138, 158, 0.1);
}

.navbar-inplata .nav-link[href="/registro"] {
  color: var(--inplata-accent-dark) !important;
}

/* Botones */
.btn-inplata {
  background: linear-gradient(135deg, var(--inplata-accent) 0%, var(--inplata-accent-dark) 100%);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: .5rem 1.25rem;
  border-radius: var(--inplata-radius);
  box-shadow: 0 2px 8px rgba(74, 98, 117, 0.35);
}

.btn-inplata:hover {
  background: linear-gradient(135deg, var(--inplata-accent-light) 0%, var(--inplata-accent) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(74, 98, 117, 0.4);
  transform: translateY(-1px);
}

.btn-outline-inplata {
  border: 2px solid var(--inplata-accent);
  color: var(--inplata-accent-dark);
  font-weight: 600;
  border-radius: var(--inplata-radius);
}

.btn-outline-inplata:hover {
  background: rgba(107, 138, 158, 0.12);
  border-color: var(--inplata-accent-dark);
  color: var(--inplata-accent-dark);
}

/* Hero home */
.hero-inplata {
  padding: 3.5rem 0 3rem;
  text-align: center;
}

.hero-inplata-inner {
  max-width: 34rem;
  margin: 0 auto;
}

.hero-inplata-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--inplata-text);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.hero-inplata-desc {
  color: var(--inplata-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.hero-inplata-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.hero-inplata-cta .btn {
  min-width: 10rem;
}

.hero-inplata-price {
  margin-top: 0;
}

/* Widget precio plata */
.silver-price-widget {
  display: block;
  width: 100%;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.silver-price-widget-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  padding: 1.25rem 1.5rem 1rem;
  background: var(--inplata-card);
  border-radius: 14px;
  border: 2px solid rgba(107, 138, 158, 0.45);
  box-shadow:
    0 6px 24px rgba(30, 45, 58, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.silver-price-label {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--inplata-muted);
  font-weight: 600;
}

.silver-price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .4rem;
}

.silver-price-row-secondary {
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.silver-price-value {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--inplata-accent-dark) 0%, var(--inplata-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.silver-price-per-g {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--inplata-accent-dark);
}

.silver-price-currency {
  font-size: 1rem;
  font-weight: 700;
  color: var(--inplata-accent-dark);
}

.silver-price-meta {
  font-size: .72rem;
  color: var(--inplata-muted);
  font-weight: 500;
}

.silver-price-updated {
  font-size: .65rem;
  color: var(--inplata-muted);
  font-weight: 500;
  opacity: .9;
  margin-top: .15rem;
}

@media (min-width: 576px) {
  .silver-price-widget-inner {
    padding: 1.5rem 2rem 1.25rem;
  }
  .silver-price-value {
    font-size: clamp(2.1rem, 4vw, 2.75rem);
  }
}

/* Cards paso a paso */
.card-inplata {
  background: var(--inplata-card);
  border: 1px solid var(--inplata-border);
  border-radius: var(--inplata-radius);
  box-shadow: var(--inplata-shadow);
  transition: box-shadow .2s, transform .2s;
}

.card-inplata:hover {
  box-shadow: var(--inplata-shadow-hover);
  transform: translateY(-2px);
}

.card-inplata .step-num {
  width: 2.25rem;
  height: 2.25rem;
  line-height: 2.25rem;
  font-size: .9rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--inplata-accent) 0%, var(--inplata-accent-dark) 100%);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card-inplata a {
  color: var(--inplata-accent-dark);
  font-weight: 600;
  text-decoration: none;
}

.card-inplata a:hover {
  color: var(--inplata-accent);
  text-decoration: underline;
}

/* Bloques código */
.code-inplata {
  background: #1e1e1e;
  color: #e0e0e0;
  border-radius: var(--inplata-radius);
  padding: 1rem 1.25rem;
  font-size: .85rem;
  border-left: 4px solid var(--inplata-accent);
}

.code-inplata code {
  color: #e0e0e0;
}

/* Formularios */
.form-control:focus,
.form-select:focus {
  border-color: var(--inplata-accent);
  box-shadow: 0 0 0 0.2rem rgba(107, 138, 158, 0.22);
}

.form-label {
  font-weight: 500;
  color: var(--inplata-text);
}

/* Panel / Dashboard */
.panel-welcome {
  color: var(--inplata-muted);
  font-size: 1rem;
}

.alert-success {
  border-color: rgba(25, 135, 84, .3);
}

.alert-info {
  background: rgba(107, 138, 158, 0.1);
  border-color: rgba(107, 138, 158, 0.35);
  color: var(--inplata-text);
}

/* Tabla */
.table-inplata thead th {
  border-bottom: 2px solid var(--inplata-accent);
  color: var(--inplata-text);
  font-weight: 600;
}

/* Gráfico y registro de uso en panel */
.chart-container canvas {
  max-height: 220px;
}

.table-inplata code {
  font-size: 0.8em;
}

.usage-log-table {
  max-height: 320px;
  overflow-y: auto;
}

/* Tabs ejemplos en panel */
.nav-tabs .nav-link {
  color: var(--inplata-muted);
  border-color: var(--inplata-border);
  font-weight: 500;
}
.nav-tabs .nav-link:hover {
  color: var(--inplata-accent-dark);
  border-color: var(--inplata-border);
}
.nav-tabs .nav-link.active {
  color: var(--inplata-accent-dark);
  background: rgba(107, 138, 158, 0.1);
  border-color: var(--inplata-border);
  border-bottom-color: var(--inplata-card);
}

/* Footer */
.footer-inplata {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--inplata-border);
  color: var(--inplata-muted);
  font-size: .875rem;
}

/* Gráfico histórico 30 días (inicio, debajo del ejemplo API) */
.silver-spot-chart-home {
  padding: 1rem 1.1rem 0.85rem;
  background: var(--inplata-card);
  border: 1px solid var(--inplata-border);
  border-radius: var(--inplata-radius);
  box-shadow: var(--inplata-shadow);
}

.silver-spot-chart-home-title {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--inplata-muted);
  margin-bottom: 0.5rem;
}

.silver-spot-chart-home-canvas {
  position: relative;
  height: 200px;
}