/* Base Styles */
body {
  font-family: var(--font-family-base);
  background-color: var(--surface-app);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  line-height: var(--leading-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-headings);
  color: var(--color-secondary-base); /* Headlines en Azul Profundo es común */
  line-height: var(--leading-tight);
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--color-secondary-base); /* Azul Profundo de XHOST */
  color: var(--text-inverse);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.sidebar-item {
  padding: var(--space-md);
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s;
  border-left: 4px solid transparent;
}

.sidebar-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-item.active {
  background-color: var(--color-primary-base);
  border-left-color: var(--color-primary-light);
}

/* Buttons */
.btn {
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border-radius: var(--btn-radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-family-base);
  transition: transform 0.1s, box-shadow 0.2s, background-color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus {
  outline: none;
  box-shadow: var(--state-focus-ring);
}

.btn:disabled {
  opacity: var(--state-disabled-opacity);
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 0 4px 10px rgba(79, 170, 44, 0.2); /* Sombra verde sutil */
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--btn-primary-bg-hover);
  box-shadow: 0 6px 14px rgba(79, 170, 44, 0.3);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--btn-secondary-bg-hover);
}

.btn-danger {
  background-color: var(--color-error);
  color: var(--text-inverse);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-base);
  padding: var(--btn-padding-y) calc(var(--btn-padding-x) / 2);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-app);
}

/* Inputs */
.form-input {
  width: 100%;
  padding: var(--input-padding);
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--input-text);
  border-radius: var(--input-radius);
  outline: none;
  font-family: var(--font-family-base);
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.form-input:focus {
  border-color: var(--input-border-focus);
  box-shadow: var(--state-focus-ring);
}

.form-label {
  display: block;
  font-family: var(--font-family-base);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-secondary-base);
  margin-bottom: var(--space-xs);
}

/* Checkbox */
.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary-base);
  cursor: pointer;
}

/* Card/Modal */
.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.card-header {
  padding: var(--space-lg);
  background-color: var(--surface-main);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--color-secondary-base);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--rounded-full);
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-family-base);
}

.badge-success { background: var(--color-success); color: var(--color-white); }
.badge-warning { background: var(--color-warning); color: #854D0E; }
.badge-neutral { background: var(--surface-app); color: var(--text-muted); border: 1px solid var(--border-subtle); }

/* Glassmorphism (Premium) */
.glass-panel {
  background: rgba(var(--surface-main-rgb), 0.7); /* REQUIRES surface-main-rgb token */
  backdrop-filter: var(--backdrop-blur-md);
  -webkit-backdrop-filter: var(--backdrop-blur-md);
  border: 1px solid var(--border-subtle);
}

/* Skeletons (High-Density Loading State) */
@keyframes pulse-skeleton {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

.skeleton-box, .skeleton-text {
  background: var(--border-subtle);
  animation: pulse-skeleton 1.5s infinite ease-in-out;
  border-radius: var(--rounded-md);
}

.skeleton-text {
  height: 16px;
  width: 100%;
  border-radius: var(--rounded-sm);
  margin-bottom: var(--space-xs);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  z-index: 9999;
}

.toast {
  background: var(--surface-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  border-radius: var(--rounded-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 300px;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Advanced Data Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-family-base);
  font-size: var(--text-sm);
}

.data-table th {
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 2px solid var(--border-subtle);
}

.data-table td {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.data-table tbody tr {
  transition: background-color 0.2s;
}

.data-table tbody tr:hover {
  background-color: var(--surface-app);
}

/* Fluid Hover Transform Generic Utility */
.hover-lift {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.hover-lift-primary:hover {
  box-shadow: var(--shadow-primary-hover);
}