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

html {
  font-size: 16px; /* Increased base size for better readability */
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary); /* Light gray background for depth */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-6);
  z-index: 100;
  transition: all var(--transition-base);
}

/* Header con color personalizado */
.header-custom-color {
  background-color: var(--header-bg-color) !important;
}

/* Header con fondo oscuro - texto e iconos claros */
.header.header-dark-bg .board-icon {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.header.header-dark-bg .board-title {
  color: #FFFFFF;
}

.header.header-dark-bg .board-title:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header.header-dark-bg .board-title:focus {
  background: rgba(255, 255, 255, 0.2);
}

.header.header-dark-bg .search-input {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.header.header-dark-bg .search-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.header.header-dark-bg .search-input:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.header.header-dark-bg .search-input:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.header.header-dark-bg .search-icon {
  color: rgba(255, 255, 255, 0.6);
}

.header.header-dark-bg .btn-icon {
  color: rgba(255, 255, 255, 0.9);
}

.header.header-dark-bg .btn-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.header.header-dark-bg .add-column-btn-header {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.header.header-dark-bg .add-column-btn-header:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.header.header-dark-bg .project-select {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.header.header-dark-bg .project-select:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.header.header-dark-bg .project-select:focus {
  border-color: rgba(255, 255, 255, 0.4);
}

.header.header-dark-bg .project-select option {
  background: #18181b;
  color: #FFFFFF;
}

/* Header con fondo claro - texto e iconos oscuros */
.header.header-light-bg .board-icon {
  background: rgba(0, 0, 0, 0.08);
  color: #18181b;
}

.header.header-light-bg .board-title {
  color: #18181b;
}

.header.header-light-bg .board-title:hover {
  background: rgba(0, 0, 0, 0.05);
}

.header.header-light-bg .board-title:focus {
  background: rgba(0, 0, 0, 0.1);
}

.header.header-light-bg .search-input {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
  color: #18181b;
}

.header.header-light-bg .search-input::placeholder {
  color: rgba(0, 0, 0, 0.5);
}

.header.header-light-bg .search-input:hover {
  border-color: rgba(0, 0, 0, 0.2);
}

.header.header-light-bg .search-input:focus {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.3);
}

.header.header-light-bg .search-icon {
  color: rgba(0, 0, 0, 0.5);
}

.header.header-light-bg .btn-icon {
  color: rgba(0, 0, 0, 0.7);
}

.header.header-light-bg .btn-icon:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #18181b;
}

.header.header-light-bg .add-column-btn-header {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
  color: #18181b;
}

.header.header-light-bg .add-column-btn-header:hover {
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
}

.header.header-light-bg .project-select {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
  color: #18181b;
}

.header.header-light-bg .project-select:hover {
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
}

.header.header-light-bg .project-select:focus {
  border-color: rgba(0, 0, 0, 0.3);
}

.header.header-light-bg .project-select option {
  background: #FFFFFF;
  color: #18181b;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex: 1;
}

.board-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-base);
  color: var(--color-text-primary);
}

.board-icon svg {
  width: 18px;
  height: 18px;
}

.board-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  outline: none;
  padding: var(--spacing-1) var(--spacing-2);
  margin: 0;
  border-radius: var(--radius-base);
  cursor: text;
  transition: all var(--transition-base);
  letter-spacing: -0.02em;
}

.board-title:hover {
  background: var(--color-bg-tertiary);
}

.board-title:focus {
  background: var(--color-bg-primary);
  box-shadow: 0 0 0 2px var(--color-border-focus);
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
  max-width: 480px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
  transition: color var(--transition-base);
}

.search-input {
  width: 100%;
  height: 36px;
  padding: 0 var(--spacing-3) 0 calc(var(--spacing-3) + 20px);
  border: 1px solid var(--color-border); /* Subtle border */
  border-radius: var(--radius-full); /* Pill shape */
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary); /* Slightly dark input background */
  outline: none;
  transition: all var(--transition-base);
}

.search-input:hover {
  border-color: var(--color-text-tertiary);
}

.search-input:focus {
  background: var(--color-bg-primary);
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2px rgba(24, 24, 27, 0.1); /* Soft dark ring */
}

.search-input:focus + .search-icon {
  color: var(--color-text-primary);
}

.search-input::placeholder {
  color: var(--color-text-tertiary);
}

.header-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-2);
}

/* User indicator in header */
.header-user-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 20px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

.header-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.header-user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn-icon:active {
  transform: scale(0.96);
}

/* Main Content */
.main-content {
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-x: auto;
  overflow-y: hidden;
  padding: var(--spacing-6) var(--spacing-8);
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--spacing-4);
}

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

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

.loading-state p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  height: 36px;
  padding: 0 var(--spacing-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}

.btn:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-tertiary); /* Slightly darker border on hover */
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  background: var(--color-bg-active);
}

.btn-primary {
  background: var(--color-text-primary); /* Use text-primary (black/dark) for button bg */
  color: var(--color-text-inverse); /* White text */
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: black; /* Pure black on hover */
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.add-column-btn-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  height: 32px;
  padding: 0 var(--spacing-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.add-column-btn-header:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.add-column-btn-header:active {
  transform: translateY(0);
  background: var(--color-bg-active);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-5);
  background: var(--color-orange);
  color: white;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
  z-index: var(--z-toast);
  opacity: 0;
  transition: all var(--transition-spring);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  color: white;
  width: 16px;
  height: 16px;
}

.toast-message {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Project Selector */
.project-selector-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.project-select {
  height: 38px;
  padding: 0 var(--spacing-4);
  padding-right: var(--spacing-10);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background:
    linear-gradient(var(--color-bg-primary), var(--color-bg-primary)) padding-box,
    linear-gradient(to right, #667eea, #764ba2) border-box;
  cursor: pointer;
  transition: all var(--transition-base);
  appearance: none;
  background-image:
    linear-gradient(to bottom, var(--color-bg-primary), var(--color-bg-secondary)),
    url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 5.5L7 9.5L11 5.5' stroke='%2352525B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-position: 0 0, right 12px center;
  background-size: 100% 100%, 14px 14px;
  min-width: 275px;  /* Aumentado 25% (220px * 1.25) */
  max-width: 450px;  /* Aumentado 25% (360px * 1.25) */
  box-shadow:
    var(--shadow-xs),
    inset 0 0 0 1px var(--color-border);
  letter-spacing: -0.01em;
  position: relative;
}

.project-select:hover {
  background:
    linear-gradient(var(--color-bg-secondary), var(--color-bg-tertiary)) padding-box,
    linear-gradient(to right, #5568d3, #653a8a) border-box;
  box-shadow:
    var(--shadow-sm),
    inset 0 0 0 1px transparent;
  transform: translateY(-1px);
}

.project-select:focus {
  outline: none;
  background:
    linear-gradient(var(--color-bg-primary), var(--color-bg-secondary)) padding-box,
    linear-gradient(to right, #667eea, #764ba2) border-box;
  box-shadow:
    0 0 0 3px rgba(102, 126, 234, 0.15),
    var(--shadow-md);
  transform: translateY(0);
}

/* Estilos básicos para las opciones del selector */
.project-select option {
  padding: 8px 12px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
}

/* Projects Modal */
.projects-container {
  max-width: 600px;
}

.projects-list {
  margin-top: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  max-height: 400px;
  overflow-y: auto;
}

.no-projects {
  text-align: center;
  padding: var(--spacing-6);
  color: var(--color-text-secondary);
}

.project-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
}

.project-item:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-tertiary);
}

.project-item.active {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

.project-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex: 1;
}

.project-icon {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-bg-primary);
  border-radius: var(--radius-base);
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.project-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.project-actions {
  display: flex;
  gap: var(--spacing-1);
}

.btn-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon:disabled:hover {
  background: transparent;
  color: var(--color-text-secondary);
}

/* Small Modal Container */
.small-container {
  max-width: 450px;
}

/* Project Form */
.project-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-field label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea {
  padding: var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  transition: all var(--transition-base);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-text-tertiary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2px rgba(24, 24, 27, 0.1);
}

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

.form-field small {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.form-actions {
  display: flex;
  gap: var(--spacing-2);
  justify-content: flex-end;
  margin-top: var(--spacing-2);
}

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

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

/* Inactivity Alarm Button States */
#btnInactivityAlarm {
  position: relative;
}

/* Ocultar línea diagonal por defecto */
#btnInactivityAlarm .alarm-disabled-indicator {
  display: none;
}

/* Estado ACTIVADO - Verde brillante con fondo (usando atributo o clase) */
#btnInactivityAlarm[data-enabled="true"],
#btnInactivityAlarm.alarm-enabled {
  color: #10b981 !important;
  background: rgba(16, 185, 129, 0.15) !important;
}

#btnInactivityAlarm[data-enabled="true"]:hover,
#btnInactivityAlarm.alarm-enabled:hover {
  color: #059669 !important;
  background: rgba(16, 185, 129, 0.25) !important;
}

/* Ocultar línea diagonal cuando está ACTIVADO */
#btnInactivityAlarm[data-enabled="true"] .alarm-disabled-indicator,
#btnInactivityAlarm.alarm-enabled .alarm-disabled-indicator {
  display: none !important;
}

/* Estado DESACTIVADO - Rojo con línea diagonal (usando atributo o clase) */
#btnInactivityAlarm[data-enabled="false"],
#btnInactivityAlarm.alarm-disabled {
  color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.1) !important;
  opacity: 0.8;
}

#btnInactivityAlarm[data-enabled="false"]:hover,
#btnInactivityAlarm.alarm-disabled:hover {
  color: #dc2626 !important;
  background: rgba(239, 68, 68, 0.15) !important;
  opacity: 1;
}

/* Mostrar línea diagonal cuando está DESACTIVADO */
#btnInactivityAlarm[data-enabled="false"] .alarm-disabled-indicator,
#btnInactivityAlarm.alarm-disabled .alarm-disabled-indicator {
  display: block !important;
}