/* base.css — Estilos base: tipografía, body, layout estructura */

html {
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-gray-100);
    line-height: 1.6;
}

/* ------------------------------------------------------------------ */
/* Tipografía base */
/* ------------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
    color: var(--color-gray-900);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl);  }
h4 { font-size: var(--text-lg);  }
h5 { font-size: var(--text-md);  }
h6 { font-size: var(--text-base);}

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ */
/* Layout principal (post-login) */
/* ------------------------------------------------------------------ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Navbar top */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-4);
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--font-weight-bold);
    font-size: var(--text-md);
    color: var(--color-primary);
    text-decoration: none;
}

.navbar-brand:hover { text-decoration: none; }

.navbar-brand-abbr {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.navbar-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-toggle:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.navbar-spacer { flex: 1; }

.navbar-empresa {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.navbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--color-sidebar-bg);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
    transition: var(--transition-sidebar);
    z-index: 90;
    scrollbar-width: thin;
    scrollbar-color: var(--color-sidebar-border) transparent;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-3) 0;
}

.sidebar-section-label {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-sidebar-text-muted);
    padding: var(--space-4) var(--space-4) var(--space-2);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    color: var(--color-sidebar-text);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    border-left: 3px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.sidebar-link:hover {
    background-color: var(--color-sidebar-hover);
    color: var(--color-text-inverse);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: var(--color-sidebar-active);
    color: var(--color-text-inverse);
    border-left-color: #60A5FA;
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-base);
}

.sidebar-footer {
    border-top: 1px solid var(--color-sidebar-border);
    padding: var(--space-3) 0;
}

/* Collapsed sidebar */
.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

.sidebar-collapsed .sidebar-section-label,
.sidebar-collapsed .sidebar-link span {
    opacity: 0;
    pointer-events: none;
}

/* Contenido principal */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--navbar-height);
    flex: 1;
    padding: var(--space-6);
    min-width: 0;
    transition: margin-left 0.2s ease;
}

.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Page header */
.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.breadcrumb-sep { color: var(--color-gray-300); }
.breadcrumb-current { color: var(--color-gray-700); font-weight: var(--font-weight-medium); }

/* ------------------------------------------------------------------ */
/* Layout: página de login (sin sidebar) */
/* ------------------------------------------------------------------ */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a3a6b 0%, #2c5aa0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}