/* ==========================================================================
   Estilos Personalizados - Formulario de Registro UTM (Fomantic-UI)
   ========================================================================== */

:root {
  --utm-green: #009A3C;
  --utm-green-hover: #008233;
  --utm-green-active: #006b29;
  --utm-green-light: #f0f9f3;
  --utm-green-border: #c2e7cf;
  --utm-text-dark: #1f2d3d;
  --utm-text-muted: #5c6b7d;
  --utm-bg-page: #f4f7f6;
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow-card: 0 12px 32px rgba(15, 45, 25, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
}

body {
  background-color: var(--utm-bg-page);
  color: var(--utm-text-dark);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 1rem 0.75rem 3rem;
  margin: 0;
}

/* Contenedor central responsivo */
.form-app-container {
  max-width: 680px;
  margin: 1.5rem auto;
  width: 100%;
}

/* Tarjeta principal */
.ui.segment.form-card {
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-card) !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  padding: 0 !important;
  overflow: hidden;
  background: #ffffff;
}

/* Cabecera institucional */
.form-card-header {
  background: linear-gradient(135deg, var(--utm-green) 0%, var(--utm-green-hover) 100%);
  color: #ffffff;
  padding: 1.5rem 1.75rem;
  text-align: center;
  position: relative;
}

.form-card-header h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.form-card-header .header-subtitle {
  font-size: 0.95rem;
  opacity: 0.92;
  margin-top: 0.35rem;
  font-weight: 400;
}

/* Cuerpo de la tarjeta */
.form-card-body {
  padding: 1.75rem;
}

/* Tarjeta de información del evento */
.event-info-box {
  background: var(--utm-green-light);
  border: 1px solid var(--utm-green-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.event-info-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--utm-green-hover);
  margin-bottom: 1rem;
  text-align: center;
  line-height: 1.4;
}

.event-info-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.5rem;
  justify-content: center;
}

.event-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
  color: var(--utm-text-muted);
  font-weight: 500;
}

.event-meta-item i.icon {
  color: var(--utm-green);
  margin: 0;
  font-size: 1.05rem;
}

.event-meta-item a {
  color: var(--utm-green-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.event-meta-item a:hover {
  color: var(--utm-green-active);
}

/* Separador de sección */
.form-section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--utm-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #eaedf0;
}

.form-section-title i.icon {
  color: var(--utm-green);
}

/* Estilos de formulario accesibles */
.ui.form .field > label {
  font-size: 0.92rem !important;
  font-weight: 600 !important;
  color: var(--utm-text-dark) !important;
  margin-bottom: 0.4rem !important;
  display: block;
}

.ui.form input:not([type]),
.ui.form input[type="text"],
.ui.form input[type="email"],
.ui.form input[type="search"],
.ui.form input[type="password"],
.ui.form input[type="date"],
.ui.form input[type="tel"],
.ui.form .ui.selection.dropdown {
  border-radius: var(--radius-md) !important;
  border-color: #d1d9e0 !important;
  font-size: 1rem !important;
  padding: 0.75rem 0.95rem !important;
  min-height: 46px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ui.form input:focus,
.ui.form .ui.selection.active.dropdown {
  border-color: var(--utm-green) !important;
  box-shadow: 0 0 0 3px rgba(0, 154, 60, 0.18) !important;
  outline: none !important;
}

/* Botón de búsqueda de documento */
.ui.action.input > .ui.button.btn-buscar-docu {
  background-color: var(--utm-green) !important;
  color: #ffffff !important;
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  padding-left: 1.2rem !important;
  padding-right: 1.2rem !important;
  font-weight: 600 !important;
  transition: background-color 0.2s ease;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.ui.action.input > .ui.button.btn-buscar-docu:hover {
  background-color: var(--utm-green-hover) !important;
}

.ui.action.input > .ui.button.btn-buscar-docu:active {
  background-color: var(--utm-green-active) !important;
}

/* Botón de envío grande y táctil */
.ui.button.btn-submit-registro {
  background-color: var(--utm-green) !important;
  color: #ffffff !important;
  border-radius: var(--radius-md) !important;
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  min-height: 50px !important;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.5rem !important;
  box-shadow: 0 4px 14px rgba(0, 154, 60, 0.28) !important;
  transition: all 0.2s ease-in-out !important;
  margin-top: 1rem !important;
}

.ui.button.btn-submit-registro:hover {
  background-color: var(--utm-green-hover) !important;
  box-shadow: 0 6px 18px rgba(0, 154, 60, 0.36) !important;
  transform: translateY(-1px);
}

.ui.button.btn-submit-registro:active {
  background-color: var(--utm-green-active) !important;
  transform: translateY(0);
}

/* Dimmer / Loader */
.ui.dimmer#dimmer {
  background-color: rgba(15, 30, 20, 0.75) !important;
  backdrop-filter: blur(4px);
}

/* Pantallas móviles / Touch */
@media (max-width: 768px) {
  body {
    padding: 0.5rem 0.5rem 2rem;
  }

  .form-app-container {
    margin: 0.5rem auto;
  }

  .form-card-header {
    padding: 1.25rem 1rem;
  }

  .form-card-header h1 {
    font-size: 1.35rem;
  }

  .form-card-body {
    padding: 1.25rem 1rem;
  }

  .event-info-box {
    padding: 1rem;
    margin-bottom: 1.5rem;
  }

  .event-info-title {
    font-size: 1.05rem;
  }

  .event-info-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .ui.form input:not([type]),
  .ui.form input[type="text"],
  .ui.form input[type="email"],
  .ui.form input[type="tel"],
  .ui.form .ui.selection.dropdown,
  .ui.action.input > .ui.button.btn-buscar-docu {
    min-height: 48px !important;
    font-size: 16px !important; /* Previene auto-zoom molesto en iOS Safari */
  }

  .ui.button.btn-submit-registro {
    min-height: 52px !important;
    font-size: 1.1rem !important;
  }
}

/* Conmutador de Idioma Bilingüe */
.lang-switcher-wrapper {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.5rem;
}

.lang-switcher-group {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 20px;
  padding: 3px;
  backdrop-filter: blur(4px);
}

.lang-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease-in-out;
  outline: none;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.lang-btn.active {
  background: #ffffff;
  color: var(--utm-green-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.lang-flag-img {
  width: 19px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}