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

:root {
  --color-primary: #223449; /* Willo Blue Primary */
  --color-primary-dark: #1A2636;
  --color-primary-bg: #F0F1F3; /* Background Light */
  --color-surface: #FFFFFF;
  --color-bg: #F0F1F3; /* Background Light */
  --color-bg-secondary: #FFFFFF;
  --color-border: #CFD3D7; /* Gray Light */
  --color-text-primary: #223449; /* Willo Blue Primary */
  --color-text-secondary: #616C79; /* Willo Blue Secondary */
  --color-text-tertiary: #99A1AA; /* Gray Medium */
  --color-error: #E53E3E; /* Destructive Red */
  --color-success: #2E7D32;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  color: var(--color-text-primary);
}

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#app-body {
  display: flex;
  flex: 1;
}

#app-outlet {
  flex: 1;
  padding: 0;
  overflow-y: auto;
}

#app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-user {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 0.875rem;
  text-decoration: none;
}

.btn-link:hover {
  text-decoration: underline;
  color: var(--color-primary-dark);
}

#app-sidebar {
  width: 240px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 16px 0;
  height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-menu li {
  margin: 0;
}

.sidebar-menu a {
  display: block;
  padding: 10px 24px;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.sidebar-menu a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* ── Componentes de UI (Willo Brand Manual) ── */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  border-radius: 6px; 
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  box-sizing: border-box;
}

/* Tamaños de Botón */
.btn, .btn-default {
  height: 40px;
  padding: 0 16px;
  font-size: 0.875rem; /* text-sm */
}

.btn-sm {
  height: 36px;
  padding: 0 12px;
  font-size: 0.875rem; /* text-sm */
}

.btn-lg {
  height: 44px;
  padding: 0 32px;
  font-size: 0.875rem; /* text-sm */
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
}

/* Variantes de Botón */
.btn-primary {
  background-color: #223449; /* Willo Blue Primary */
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: #1C2B3D;
}

.btn-secondary {
  background-color: #616C79; /* Willo Blue Secondary */
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: #505A65;
}

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

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

.btn-destructive {
  background-color: #E53E3E; /* Destructive Red */
  color: #FFFFFF;
}
.btn-destructive:hover {
  background-color: #C53030;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  padding: 0;
  height: auto;
}
.btn-link:hover {
  text-decoration: underline;
}

/* Cards */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px; /* border radius: 0.5rem (8px) */
  padding: 24px; /* padding: 1.5rem (24px) */
  box-shadow: 0 2px 8px rgba(34, 52, 73, 0.06); /* shadow-sm */
  box-sizing: border-box;
}

.card-header {
  margin-bottom: 24px;
}

.card-body {
  margin-bottom: 24px;
}

.card-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem; /* text-xs */
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 9999px; /* border-radius: full */
  line-height: 1;
}

.badge-default {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.badge-secondary {
  background-color: var(--color-text-secondary);
  color: #FFFFFF;
}

.badge-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  background-color: transparent;
}

.badge-destructive {
  background-color: #E53E3E;
  color: #FFFFFF;
}

/* Sistema de Sombras */
.shadow-2xs { box-shadow: 0 1px 2px rgba(34, 52, 73, 0.04); }
.shadow-xs { box-shadow: 0 1px 3px rgba(34, 52, 73, 0.06); }
.shadow-sm { box-shadow: 0 2px 8px rgba(34, 52, 73, 0.06); }
.shadow-default { box-shadow: 0 4px 16px rgba(34, 52, 73, 0.08); }
.shadow-md { box-shadow: 0 8px 24px rgba(34, 52, 73, 0.10); }
.shadow-lg { box-shadow: 0 12px 32px rgba(34, 52, 73, 0.12); }
.shadow-xl { box-shadow: 0 16px 40px rgba(34, 52, 73, 0.15); }
.shadow-2xl { box-shadow: 0 24px 60px rgba(34, 52, 73, 0.20); }

/* Modo Oscuro */
.dark, [data-theme="dark"] {
  --color-bg: #1A2636;
  --color-surface: #1F2F3F;
  --color-text-primary: #FAFAFA;
  --color-text-secondary: #99A1AA;
  --color-text-tertiary: #434D57;
  --color-border: #2B3D4F;
  --color-primary-bg: #283848;
  --color-primary: #83BDF2;
  --color-error: #C53030;
}