@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
  --bg-main: #006494;
  --header-bg: #043351;
  --header-text: #FFFFFF;
  --btn-primary: #F36E21;
  --btn-text: #FFFFFF;
  --text-dark: #1F2937;
  --text-muted: #6B7280;
  --card-bg: #FFFFFF;
  --border-color: #E5E7EB;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  font-family: 'Roboto', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
}

body {
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Cabecera Institucional
   ========================================================================== */
.top-nav-bar {
  background-color: var(--header-bg);
  height: auto;
  min-height: 90px;
  display: flex;
  align-items: center;
  padding: 16px 40px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
  z-index: 10;
}

.header-container {
  width: 100%;
  max-width: 1800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo img {
  display: block;
  height: 72px;
  width: auto;
  object-fit: contain;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.header-badge {
  color: var(--header-text);
  font-size: 14px;
  font-weight: 500;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 8px 16px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--header-text);
  opacity: 0.9;
  white-space: nowrap;
}

.badge-icon {
  display: inline-block;
  width: 16px;
  height: 18px;
  background-color: currentColor;
  -webkit-mask: url('/public/isotipo-escudo-ajustado.svg') no-repeat center / contain;
  mask: url('/public/isotipo-escudo-ajustado.svg') no-repeat center / contain;
}

/* Selector de Idioma */
.lang-selector {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}

.lang-btn {
  background-color: transparent;
  color: var(--header-text);
  border: 1px solid var(--header-text);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.2s, opacity 0.2s;
  opacity: 0.9;
}

.lang-btn:hover {
  background-color: rgba(0, 0, 0, 0.08);
  opacity: 1;
}

.dropdown-arrow {
  font-size: 8px;
  opacity: 0.8;
  transition: transform 0.2s;
}

.lang-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  list-style: none;
  padding: 4px 0;
  min-width: 125px;
  z-index: 100;
  display: none;
}

.lang-dropdown.show {
  display: block;
}

.lang-dropdown li {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-dark);
  cursor: pointer;
  transition: background-color 0.15s;
}

.lang-dropdown li:hover {
  background-color: #F3F4F6;
}

.lang-dropdown li.active {
  font-weight: 700;
  color: var(--header-bg);
  background-color: #EFF6FF;
}

/* ==========================================================================
   Contenedor Principal y Formulario Inicial
   ========================================================================== */
.main-container {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card-box {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 36px 32px 24px 32px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  border-top: 5px solid var(--header-bg);
}

.card-header h2 {
  color: var(--header-bg);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  color: var(--header-bg);
}

input[type="text"] {
  width: 100%;
  height: 48px;
  padding: 10px 14px;
  border: 1.5px solid #D1D5DB;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  outline: none;
}

input[type="text"]:focus {
  border-color: var(--header-bg);
  box-shadow: 0 0 0 3px rgba(4, 51, 81, 0.15);
}

.field-hint {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

.rgpd-notice {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 14px;
  text-align: center;
}

.rgpd-notice a {
  color: var(--header-bg);
  text-decoration: underline;
  font-weight: 500;
}

/* ==========================================================================
   Estilos de Botones
   ========================================================================== */
.btn-primary {
  width: 100%;
  height: 50px;
  background-color: var(--btn-primary);
  color: var(--btn-text);
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  transition: filter 0.2s;
}

.btn-primary:hover {
  filter: brightness(0.9);
}

.btn-full {
  width: 100%;
}

/* Botón Protagonista de Descarga (Ajustado con más aire arriba/abajo) */
.btn-download {
  margin: 24px 0;
  min-height: 56px;
  padding: 16px 20px;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--btn-primary);
  color: var(--btn-text);
  border: none;
  font-weight: 700;
  cursor: pointer;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  transition: filter 0.2s, transform 0.1s;
}

.btn-download:hover {
  filter: brightness(0.92);
}

.btn-download:active {
  transform: translateY(1px);
}
/* Botón Secundario Discreto (Consultar otro CSV) */
.btn-discreet {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s;
  width: 100%;
  text-align: center;
  display: block;
}

.btn-discreet:hover {
  color: var(--header-bg);
}

.btn-secondary {
  background-color: #F3F4F6;
  color: #374151;
  border: 1px solid #D1D5DB;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: background-color 0.2s;
}

.btn-secondary:hover {
  background-color: #E5E7EB;
}

.error-banner {
  margin-top: 16px;
  padding: 12px;
  background-color: #FEF2F2;
  border-left: 4px solid #EF4444;
  color: #991B1B;
  border-radius: 4px;
  font-size: 13px;
}

.trust-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Panel de Resultado y Visor PDF
   ========================================================================== */
.result-layout {
  width: 100%;
  height: 100%;
  max-width: 1800px;
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.pdf-pane {
  flex: 1;
  height: 100%;
  background-color: #525659;
  display: flex;
  flex-direction: column;
}

/* Garantiza que el contenedor y el iframe ocupen el 100% real del espacio */
#pdf-container {
  width: 100%;
  height: 100%;
  flex: 1;
  display: flex;
}

#pdf-container iframe,
.pdf-pane iframe {
  width: 100%;
  height: 100%;
  min-height: 100%;
  border: none;
  display: block;
  flex: 1;
}

/* Sidebar de Información */
.info-sidebar {
  background-color: #FFFFFF;
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.public-comments-box {
  background-color: #FEF3C7;
  border-left: 4px solid #F59E0B;
  color: #78350F;
  padding: 14px 16px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  font-weight: 500;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.sidebar-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
  margin-bottom: 12px;
}

.meta-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meta-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.meta-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.meta-value {
  color: var(--text-dark);
  font-size: 14px;
  font-weight: 600;
  word-break: break-word;
}

.signers-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.signer-card {
  background-color: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signer-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
}

.signer-dni {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.signer-type {
  font-size: 12px;
  color: var(--text-muted);
}

/* Etiquetas de estado de firma */
.signer-status-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  margin-top: 4px;
  padding: 3px 10px;
  border-radius: 4px;
  width: fit-content;
}

.signer-status-tag.signed {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.signer-status-tag.notified {
  background-color: #FFFBEB;
  color: #92400E;
  border: 1px solid #FDE68A;
}

.signer-status-tag.rejected {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FCA5A5;
}

.signer-status-tag.pending {
  background-color: #EFF6FF;
  color: #1E40AF;
  border: 1px solid #BFDBFE;
}

.signer-status-tag.expired {
  background-color: #F3F4F6;
  color: #374151;
  border: 1px solid #D1D5DB;
}

/* ==========================================================================
   Pie de Página Legal Global
   ========================================================================== */
.app-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 12px 24px;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
  z-index: 10;
  position: relative;
}

.footer-content {
  max-width: 1800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--header-bg);
  text-decoration: underline;
}

/* Overlay de carga */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 51, 81, 0.85);
  backdrop-filter: blur(3px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.spinner-box {
  background: #FFFFFF;
  padding: 28px 36px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.spinner {
  width: 42px;
  height: 42px;
  border: 4px solid #E5E7EB;
  border-top-color: var(--btn-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px auto;
}

.loading-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--header-bg);
}

.loading-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Media Queries (Diseño Adaptativo)
   ========================================================================== */

/* Escritorio (>= 1024px) */
@media (min-width: 1024px) {
  .result-layout {
    display: flex;
    flex-direction: row;
    height: calc(100vh - 140px);
    max-height: calc(100vh - 140px);
  }

  .info-sidebar {
    width: 380px;
    flex-shrink: 0;
    padding: 28px 24px;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .sidebar-footer {
    margin-top: auto;
    padding-top: 24px;
  }
}

/* Tabletas y pantallas medianas (< 1024px) */
@media (max-width: 1023px) {
  .main-container {
    padding: 0;
    min-height: 0;
    align-items: flex-start;
  }

  .result-layout {
    border-radius: 0;
    display: flex;
    flex-direction: column;
    height: auto;
  }

  .info-sidebar {
    order: 1;
    width: 100%;
    padding: 20px 16px;
    border-left: none;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
  }

  .pdf-pane {
    order: 2;
    width: 100%;
    height: 65vh;
    min-height: 450px;
    flex: none;
  }

  .sidebar-footer {
    margin-top: 20px;
  }
}

/* Móviles (< 768px) */
@media (max-width: 768px) {
  .top-nav-bar {
    padding: 10px 16px;
    min-height: 60px;
  }

  .header-container {
    flex-wrap: wrap;
    gap: 12px;
  }

  .brand-logo img {
    height: 38px;
  }

  .header-badge {
    font-size: 11px;
    padding: 4px 8px;
    white-space: normal;
  }

  /* Espaciado para despegar la tarjeta de la cabecera en móvil */
  .main-container {
    padding-top: 20px;
    height: auto !important;
    min-height: calc(100vh - 60px - 42px) !important;
  }

  #search-section {
    margin-top: 10px;
  }

  /* Liberar restricciones fijas de altura en el visor PDF móvil */
  .pdf-pane {
    height: auto;
    min-height: auto;
  }

  .footer-content {
    justify-content: center;
    text-align: center;
  }
}

/* Dispositivos intermedios y tablets (entre 769px y 1024px / iPads) */
@media (max-width: 1024px) {
  .main-container {
    padding-top: 24px !important;
  }

  #search-section {
    margin-top: 16px;
  }

  .pdf-pane {
    height: auto;
    min-height: auto;
  }
}