/* ==========================================================================
   Portal de Checklists Industriales - Estilos Premium Vanilla CSS
   ========================================================================== */

/* Importar Fuentes desde Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Work+Sans:wght@500;600;700;800&display=swap');

/* Variables CSS - Tema Claro (Predeterminado) y Diseño Industrial */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Work Sans', sans-serif;

  /* Colores del Sistema */
  --primary: #0c56d0;
  --primary-container: #dae2ff;
  --on-primary: #ffffff;
  --on-primary-container: #001848;
  --primary-hover: #003d9b;
  
  --secondary: #5c5f60;
  --secondary-container: #e1e2e4;
  --on-secondary: #ffffff;
  
  --background: #f4f5f7;
  --surface: #ffffff;
  --surface-container-low: #f9f9ff;
  --surface-container-high: #dfe8ff;
  --surface-container-highest: #d6e3ff;
  
  --outline: #737685;
  --outline-variant: #c3c6d6;
  --on-surface: #091c35;
  --on-surface-variant: #434654;

  /* Estados de Calificación Industrial */
  --status-success: #00875a;
  --status-success-light: #e3fcef;
  --status-error: #de350b;
  --status-error-light: #ffebe6;
  --status-na: #5e6c84;
  --status-na-light: #f4f5f7;

  /* Sombras y Efectos */
  --shadow-sm: 0 2px 4px rgba(9, 30, 66, 0.08);
  --shadow-md: 0 4px 12px rgba(9, 30, 66, 0.12);
  --shadow-lg: 0 8px 24px rgba(9, 30, 66, 0.16);
  --glow-primary: 0 0 15px rgba(12, 86, 208, 0.25);
  
  /* Bordes y Transiciones */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Soporte para Modo Oscuro Automático o Clase .dark */
@media (prefers-color-scheme: dark) {
  body:not(.light-theme) {
    --background: #0b132b;
    --surface: #1c2541;
    --surface-container-low: #151c33;
    --surface-container-high: #2a375e;
    --surface-container-highest: #3b4e85;
    
    --on-surface: #f4f5f7;
    --on-surface-variant: #c3c6d6;
    --outline-variant: #3b4e85;
    
    --primary-container: #003d9b;
    --on-primary-container: #dae2ff;
  }
}

body.dark-theme {
  --background: #0b132b;
  --surface: #1c2541;
  --surface-container-low: #151c33;
  --surface-container-high: #2a375e;
  --surface-container-highest: #3b4e85;
  
  --on-surface: #f4f5f7;
  --on-surface-variant: #c3c6d6;
  --outline-variant: #3b4e85;
  
  --primary-container: #003d9b;
  --on-primary-container: #dae2ff;
}

/* ==========================================================================
   Estilos Base de Estructura (Grid y Flex)
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-primary);
  background-color: var(--background);
  color: var(--on-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

@media (min-width: 768px) {
  body {
    flex-direction: row;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  background: none;
}

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--outline-variant);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--outline);
}

/* ==========================================================================
   Componente: Barra de Navegación Lateral (Sidebar)
   ========================================================================== */

.sidebar {
  display: flex;
  transform: translateX(-100%);
  background-color: var(--surface-container-low);
  border-right: 1px solid var(--outline-variant);
  width: 260px;
  height: 100vh;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  flex-direction: column;
  padding: 24px 0;
  transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar.sidebar-open {
  transform: translateX(0);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

@media (min-width: 768px) {
  .sidebar {
    position: sticky;
    transform: translateX(0);
    z-index: auto;
  }
  .sidebar-overlay.active {
    display: none;
  }
}

.mobile-menu-btn {
  display: flex;
  background: none;
  border: none;
  color: var(--on-surface);
  cursor: pointer;
  padding: 8px;
  margin-right: 16px;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.sidebar-header {
  padding: 24px 16px;
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sidebar-logo {
  width: 85%;
  max-width: 210px;
  height: auto;
  max-height: 85px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.04));
  transition: transform var(--transition-fast);
}

.sidebar-logo:hover {
  transform: scale(1.03);
}

.logo-avatar {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), #00d2ff);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.sidebar-title h1 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--on-surface);
}

.sidebar-title p {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.sidebar-action {
  padding: 0 24px;
  margin-bottom: 24px;
}

.btn-primary {
  width: 100%;
  background-color: var(--primary);
  color: var(--on-primary);
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

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

.sidebar-menu {
  list-style: none;
  flex: 1;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  border-left: 4px solid transparent;
  transition: all var(--transition-fast);
}

.sidebar-link:hover {
  background-color: var(--surface-container-highest);
  color: var(--on-surface);
}

.sidebar-link.active {
  color: var(--primary);
  font-weight: 700;
  background-color: var(--surface-container-high);
  border-left-color: var(--primary);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-t: 1px solid var(--outline-variant);
}

/* ==========================================================================
   Contenedor Principal y Header Superior
   ========================================================================== */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

.top-bar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  min-height: 64px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-normal);
}

.top-bar > div:first-child {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

@media (min-width: 1024px) {
  .top-bar {
    padding: 0 48px;
    height: 64px;
  }
}

.top-bar-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.user-title-info {
  display: inline-block;
  white-space: nowrap;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

@media (min-width: 768px) {
  .top-bar-title {
    font-size: 1.1rem;
  }
  .user-title-info {
    font-size: 1.1rem;
  }
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-container {
  position: relative;
  display: none;
}

@media (min-width: 640px) {
  .search-container {
    display: block;
  }
}

.search-input {
  background-color: var(--background);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  padding: 8px 16px 8px 40px;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  width: 220px;
  outline: none;
  transition: all var(--transition-normal);
}

.search-input:focus {
  width: 280px;
  border-color: var(--primary);
  background-color: var(--surface);
  box-shadow: 0 0 0 2px rgba(12, 86, 208, 0.1);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  font-size: 18px;
}

.icon-btn {
  color: var(--on-surface-variant);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--background);
  color: var(--primary);
}

.user-badge {
  width: 36px;
  height: 36px;
  background-color: var(--primary-container);
  color: var(--on-primary-container);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Header del Progreso y Barra Superior (Pegajosos/Fijos Unidos)
   ========================================================================== */

.sticky-header-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--outline-variant);
  transition: background-color var(--transition-normal);
}

.sticky-header-wrapper .top-bar {
  position: static;
  border-bottom: 1px solid var(--outline-variant);
  box-shadow: none;
}

.sticky-header-wrapper .progress-header {
  position: static;
  border-bottom: none;
  box-shadow: none;
}

.progress-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  padding: 16px 24px;
  position: sticky;
  top: 64px;
  z-index: 90;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal);
}

@media (min-width: 1024px) {
  .progress-header {
    padding: 20px 48px;
  }
}

.progress-info {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 12px;
}

.progress-info-title p {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: inline-block;
  background-color: var(--primary-container);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
}

.progress-info-title h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.progress-percentage {
  text-align: right;
}

.progress-percentage h3 {
  font-size: 1.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  transition: color var(--transition-normal);
}

.progress-percentage p {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 4px;
}

.progress-bar-container {
  max-width: 1120px;
  margin: 0 auto;
  background-color: var(--background);
  height: 8px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  background-color: var(--status-success);
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: width var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Área del Lienzo (Canvas / Body del Dashboard)
   ========================================================================== */

.content-body {
  flex: 1;
  padding: 24px;
  padding-bottom: 90px;
}

@media (min-width: 1024px) {
  .content-body {
    padding: 40px 48px;
    padding-bottom: 100px;
  }
}

.content-wrapper {
  max-width: 1120px;
  margin: 0 auto;
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Componente: Tarjetas de Proyectos (Dashboard)
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--primary-container);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.stat-info h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.stat-info p {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

.projects-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.projects-section-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.project-card {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--outline-variant);
  transition: background-color var(--transition-fast);
}

.project-card.integracion::before {
  background-color: var(--primary);
}

.project-card.programacion::before {
  background-color: #f2994a;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.project-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.project-card.integracion .project-badge {
  background-color: var(--primary-container);
  color: var(--primary);
}

.project-card.programacion .project-badge {
  background-color: #fff3e0;
  color: #e65100;
}

.project-code {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.project-card p {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  line-height: 1.4;
  margin-bottom: 20px;
  flex: 1;
}

.overflow-x-auto {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
}

/* Checklist Info Block in Project Card */
.chk-info-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  margin-bottom: 20px;
}
.chk-info-block {
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 12px;
  transition: all var(--transition-fast);
}
.chk-info-block.clickable {
  cursor: pointer;
}
.chk-info-block.clickable:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  background-color: var(--surface-container-low);
}
.chk-info-header {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.chk-info-placeholder {
  background-color: var(--surface-container-lowest);
  border: 1px dashed var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--on-surface-variant);
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}
.chk-info-placeholder span {
  font-size: 20px;
}
.chk-info-placeholder.clickable {
  cursor: pointer;
}
.chk-info-placeholder.clickable:hover {
  background-color: var(--primary-container);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Donut Chart CSS */
.donut-wrapper {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.donut-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  -webkit-mask: radial-gradient(closest-side, transparent 75%, black 76%);
  mask: radial-gradient(closest-side, transparent 75%, black 76%);
}
.donut-text {
  position: relative;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--on-surface);
}

.chk-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.chk-resp {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}
.chk-resp strong {
  color: var(--on-surface);
}
.chk-status span {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.btn-download-pdf {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--surface-container-high);
  color: #c62828;
  border: 1px solid #ef5350;
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-download-pdf:hover {
  background-color: #ffebee;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(239, 83, 80, 0.25);
}

.btn-download-pdf .material-symbols-outlined {
  font-size: 16px;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--outline-variant);
  padding-top: 16px;
  margin-top: auto;
}

.project-card-actions {
  display: flex;
  gap: 12px;
  width: 100%;
}

.btn-card {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-card-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-card-outline:hover {
  background-color: var(--primary-container);
}

.btn-card-solid {
  background-color: var(--primary);
  color: var(--on-primary);
}

.btn-card-solid:hover {
  background-color: var(--primary-hover);
}

/* ==========================================================================
   Estructura de la Tabla del Checklist
   ========================================================================== */

.checklist-container {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 32px;
}

.checklist-header-row {
  display: grid;
  grid-template-columns: 1fr;
  background-color: var(--surface-container-low);
  border-bottom: 1px solid var(--outline-variant);
  padding: 12px 24px;
}

.checklist-header-row.dual-header .integrador-header-cell,
.checklist-header-row.dual-header .supervisor-header-cell {
  display: none;
}

@media (min-width: 640px) {
  .checklist-header-row {
    grid-template-columns: 1fr 180px;
  }
  .checklist-header-row.dual-header {
    grid-template-columns: 1fr 140px 140px;
  }
  .checklist-header-row.dual-header .integrador-header-cell,
  .checklist-header-row.dual-header .supervisor-header-cell {
    display: block;
  }
}

.checklist-header-cell {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.checklist-header-cell.status {
  text-align: right;
  display: none;
}

@media (min-width: 640px) {
  .checklist-header-cell.status {
    display: block;
  }
}

.checklist-row {
  display: grid;
  grid-template-columns: 1fr;
  padding: 20px 24px;
  border-bottom: 1px solid var(--outline-variant);
  position: relative;
  transition: all var(--transition-fast);
}

@media (min-width: 640px) {
  .checklist-row {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
  }
}

.checklist-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.checklist-row:hover::before {
  background-color: var(--primary);
}

.checklist-row:hover {
  background-color: var(--surface-container-low);
  box-shadow: inset 0 0 10px rgba(9, 30, 66, 0.02);
}

.checklist-row:last-child {
  border-bottom: none;
}

.item-info {
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .item-info {
    margin-bottom: 0;
  }
}

.item-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.item-comment-input {
  width: 100%;
  max-width: 500px;
  background-color: var(--background);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  padding: 6px 12px;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast);
  margin-top: 4px;
}

.item-comment-input:focus {
  border-color: var(--primary);
  background-color: var(--surface);
}

/* Controles de Selección de Estado (Check / Cross / NA) */
.state-selector {
  display: flex;
  background-color: var(--background);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--outline-variant);
  align-self: center;
}

/* Columna de evaluación con etiqueta de rol */
.eval-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.eval-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

.eval-label.integrador-label {
  background-color: var(--primary-container);
  color: var(--primary);
}

.eval-label.supervisor-label {
  background-color: #e8f5e9;
  color: #2e7d32;
}

body.dark-theme .eval-label.supervisor-label {
  background-color: #1b5e20;
  color: #a5d6a7;
}

/* Layout de doble evaluación (Fase 2) */
.checklist-row.dual-mode {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .checklist-row.dual-mode {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 20px;
  }
}

/* State selector del supervisor — borde verde */
.state-selector.supervisor-selector {
  border-color: #81c784;
}

/* State selector bloqueado (opacidad reducida) */
.state-selector.locked-selector {
  opacity: 0.65;
  pointer-events: none;
}

.state-option {
  position: relative;
}

.state-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.state-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--on-surface-variant);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.state-label:hover {
  background-color: var(--surface-container-highest);
  color: var(--on-surface);
}

/* Activación de los Botones del Selector */
.state-radio.check-radio:checked + .state-label {
  background-color: var(--status-success);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 135, 90, 0.3);
}

.state-radio.cross-radio:checked + .state-label {
  background-color: var(--status-error);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(222, 53, 11, 0.3);
}

.state-radio.na-radio:checked + .state-label {
  background-color: var(--status-na);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(94, 108, 132, 0.3);
}

/* ==========================================================================
   Sección de Firmas (Canvas)
   ========================================================================== */

.signatures-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

@media (min-width: 900px) {
  .signatures-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.signature-card {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.signature-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.signature-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-clear {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.btn-clear:hover {
  text-decoration: underline;
}

.signature-pad-container {
  position: relative;
  width: 100%;
  height: 140px;
  background-color: var(--background);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.signature-canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  cursor: crosshair;
}

.signature-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant);
  opacity: 0.5;
  font-size: 0.9rem;
  pointer-events: none;
  z-index: 5;
}

.signature-input-group {
  margin-top: 16px;
}

.signature-input-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.signature-input {
  width: 100%;
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  padding: 10px 14px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
}

.signature-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(12, 86, 208, 0.1);
}

/* ==========================================================================
   Botones de Acción (Formulario del Checklist)
   ========================================================================== */

.actions-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--surface);
  border-top: 1px solid var(--outline-variant);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 0;
}

.actions-container .btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

@media (min-width: 768px) {
  .actions-container {
    left: 260px;
    padding: 14px 48px;
  }
}

.btn {
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-secondary {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary-container);
}

.btn-solid {
  background-color: var(--primary);
  color: var(--on-primary);
  box-shadow: var(--shadow-sm);
}

.btn-solid:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--glow-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.app-footer {
  background-color: var(--surface);
  border-top: 1px solid var(--outline-variant);
  padding: 24px;
  margin-top: auto;
  transition: background-color var(--transition-normal);
}

.footer-content {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  font-weight: 500;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ==========================================================================
   Componente: Modal para Creación de Proyectos
   ========================================================================== */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(9, 28, 53, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeInModal var(--transition-fast) forwards;
}

@keyframes fadeInModal {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: scaleInModal 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes scaleInModal {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  background-color: var(--surface-container-low);
  padding: 16px 24px;
  border-bottom: 1px solid var(--outline-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--on-surface);
}

.modal-close {
  color: var(--on-surface-variant);
  font-size: 24px;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group:last-of-type {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background-color: var(--background);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  padding: 10px 14px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23434654' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

body.dark-theme select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23c3c6d6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

select.form-control option {
  background-color: var(--surface);
  color: var(--on-surface);
  padding: 10px;
  font-size: 0.875rem;
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--surface);
  box-shadow: 0 0 0 2px rgba(12, 86, 208, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--outline-variant);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: var(--surface-container-low);
}

.btn-modal {
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.btn-modal-cancel {
  border: 1px solid var(--outline-variant);
  color: var(--on-surface-variant);
}

.btn-modal-cancel:hover {
  background-color: var(--surface-container-highest);
  color: var(--on-surface);
}

.btn-modal-submit {
  background-color: var(--primary);
  color: var(--on-primary);
}

.btn-modal-submit:hover {
  background-color: var(--primary-hover);
}

/* Estilos de mensajes de alerta tipo Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--on-surface);
  color: var(--background);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 1000;
  display: none;
  animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.toast.success {
  border-left: 4px solid var(--status-success);
}

.toast.error {
  border-left: 4px solid var(--status-error);
}

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

/* ==========================================================================
   Estilos específicos para la vista de login (login.html)
   ========================================================================== */
.login-body {
  background-color: var(--background);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
  transition: background-color var(--transition-normal);
}
.login-card {
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 420px;
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: fadeIn 0.4s ease;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}
.login-logo-container {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
.login-logo {
  max-width: 220px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(9, 30, 66, 0.08));
}
body.dark-theme .login-logo {
  filter: brightness(1.1) drop-shadow(0 2px 8px rgba(255, 255, 255, 0.15));
}
.login-header h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 6px;
}
.login-header p {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: 28px;
}
.input-group-icon {
  position: relative;
  margin-bottom: 20px;
  text-align: left;
}
.input-group-icon label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.input-icon-wrapper {
  position: relative;
}
.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  font-size: 20px;
}
.login-input {
  width: 100%;
  background-color: var(--background);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  padding: 12px 14px 12px 44px;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}
.login-input:focus {
  border-color: var(--primary);
  background-color: var(--surface);
  box-shadow: 0 0 0 2px rgba(12, 86, 208, 0.1);
}
.login-toggle-theme {
  position: absolute;
  top: 24px;
  right: 24px;
}
.error-banner {
  background-color: var(--status-error-light);
  color: var(--status-error);
  border: 1px solid var(--status-error);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: none;
  text-align: left;
  animation: fadeIn 0.3s ease;
}

/* Clase para ocultar pantallas protegidas por sesión */
.protected-route {
  display: none !important;
}