:root {
    /* Colores */
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #06b6d4;
    --dark: #1e293b;
    --light: #ffffff;
    --gray: #94a3b8;
    --gray-light: #f1f5f9;
    --gray-dark: #64748b;
    --error: #ef4444;
    --success: #10b981;
    --orange: #E56D00;
    --orange-light: rgba(229, 109, 0, 0.08);
    --border-color: #e2e8f0;
    
    /* Tipografías */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Bordes */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Tamaños */
    --sidebar-width: 280px;
    --sidebar-collapsed: 80px;
    --topbar-height: 70px;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--gray-light);
    color: var(--dark);
    line-height: 1.5;
}

/* ============ LAYOUT PRINCIPAL ============ */
.main-content {
    margin-left: var(--sidebar-width);
    transition: var(--transition-slow);
    padding-top: var(--topbar-height);
    min-height: 100vh;
}

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

.content {
    padding: 2rem;
}

/* ============ TARJETAS ============ */
.card {
    background: var(--light);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.card-header {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark);
}

/* ============ TOPBAR ============ */
.topbar {
    height: var(--topbar-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    z-index: 90;
    border-bottom: none;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-sm);
}

.sidebar.collapsed ~ .topbar {
    left: var(--sidebar-collapsed);
    width: calc(100% - var(--sidebar-collapsed));
}

.topbar-left {
    display: flex;
    align-items: center;
}

.topbar .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar .logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topbar .logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.topbar .logo-text {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* User info container - MODIFICADO PARA MOSTRAR SIEMPRE */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.user-details {
    display: flex; /* Siempre visible ahora */
    flex-direction: column;
    line-height: 1.2;
    text-align: right;
}

.user-name {
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark);
    white-space: nowrap;
}

.welcome-message {
    font-size: 0.75rem;
    color: var(--gray-dark);
    white-space: nowrap;
}

/* Avatar con indicador activo */
.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.user-avatar::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -19px;
    bottom: -19px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--success);
    animation: spin 1.5s linear infinite;
}

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

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px var(--orange-light);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Botón menú móvil */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--gray-dark);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-md);
    transition: var(--transition);
    z-index: 101;
}

.mobile-menu-btn:hover {
    background: var(--gray-light);
    color: var(--orange);
    transform: rotate(10deg);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* ============ SIDEBAR ============ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--light);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    transition: var(--transition-slow);
    z-index: 100;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    box-shadow: 1px 0 10px rgba(0, 0, 0, 0.03);
}

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

/* Efecto overlay para móvil */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    height: var(--topbar-height);
}

.logo-icon {
    width: 64px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sidebar.collapsed .logo-icon {
    width: 36px;
    height: 36px;
    display: none;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--gray-dark);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    transition: var(--transition);
}

.toggle-btn:hover {
    background: var(--gray-light);
    color: var(--orange);
    transform: rotate(10deg);
}

.toggle-btn svg {
    width: 20px;
    height: 20px;
}

.sidebar.collapsed .toggle-btn {
    transform: rotate(180deg);
    margin: 0 auto;
}

/* ============ MENÚ DE NAVEGACIÓN ============ */
.nav-menu {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Suavizado del scroll en iOS */
    overscroll-behavior: contain; /* Evita efectos de rebote no deseados */
    height: 0; /* Truco para que flex + overflow funcionen correctamente */
    scrollbar-width: thin;
    scrollbar-color: var(--gray-light) white;
}

.nav-menu::-webkit-scrollbar {
    width: 6px;
}

.nav-menu::-webkit-scrollbar-track {
    background: white;
}

.nav-menu::-webkit-scrollbar-thumb {
    background-color: var(--gray-light);
    border-radius: 3px;
}

/* Grupos de navegación */
.nav-group {
    margin-bottom: 1.5rem;
}

.nav-title {
    color: var(--gray-dark);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 1rem 1.5rem 0.5rem;
    margin-top: 0.5rem;
    font-weight: var(--font-weight-semibold);
    position: relative;
    white-space: nowrap;
}

.nav-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.5rem;
    right: 1.5rem;
    height: 1px;
    background: var(--border-color);
}

.sidebar.collapsed .nav-title {
    opacity: 0;
    width: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* Items de navegación */
.nav-item {
    margin: 0.25rem 0.75rem;
    position: relative;
}

.nav-subitem {
    margin: 0.25rem 0.75rem 0.25rem 2.5rem;
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0.75rem 1.27rem;
    border-radius: var(--border-radius-md);
    color: var(--dark);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--orange-light);
    color: var(--orange);
    transform: translateX(3px);
}

.nav-link.active {
    background: rgba(229, 109, 0, 0.15);
    color: var(--orange);
    font-weight: var(--font-weight-semibold);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--orange);
    border-radius: 0 4px 4px 0;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-50%) scaleY(0); }
    to { opacity: 1; transform: translateY(-50%) scaleY(1); }
}

.nav-icon {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--gray-dark);
    transition: var(--transition);

    background: #e8e8e8;
    border-radius: 12px;

}

.nav-subitem .nav-icon {
    width: 18px;
    height: 18px;
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    color: var(--orange);
    transform: scale(1.1);
}

/* Tooltip */
.nav-item .tooltip,
.nav-subitem .tooltip {
    position: absolute;
    left: calc(100% + 15px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
    z-index: 1100;
    box-shadow: var(--shadow-md);
}

.nav-item .tooltip::before,
.nav-subitem .tooltip::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-right: 5px solid var(--dark);
}

.sidebar.collapsed .nav-item:hover .tooltip {
    opacity: 1;
}

.sidebar.collapsed .nav-subitem:hover .tooltip {
    opacity: 0;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 991px) {
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(0);
        width: 280px;
    }
    
    .sidebar-overlay.visible {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed.open {
        transform: translateX(0);
        width: var(--sidebar-width);
    }

    /* Ajustes para menú móvil */
    .nav-item, .nav-subitem {
        margin: 0.25rem 0.5rem;
    }
    
    .sidebar.open .nav-subitem {
        margin-left: 2rem;
    }

    /* Ajustes para topbar en móvil */
    .topbar {
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }
    
    /* Ajustes para user-info en móvil */
    .user-details {
        text-align: left; /* Alineación izquierda en móvil */
    }
    
    .user-name {
        font-size: 0.85rem; /* Tamaño ligeramente menor */
    }
    
    .welcome-message {
        font-size: 0.7rem;
    }
    
    .content {
        padding: 1.5rem;
    }
}

@media (min-width: 992px) {
    .sidebar-overlay {
        display: none !important;
    }
    
    .sidebar.collapsed .nav-item:hover .nav-link {
        background: var(--orange-light);
    }
    
    /* Ocultar logo en topbar cuando sidebar está expandido en desktop */
    .topbar-left .logo-icon {
        display: none;
    }
    
    .sidebar.collapsed ~ .topbar .topbar-left .logo-icon {
        display: flex;
    }
}

/* Clase para deshabilitar scroll cuando el menú está abierto */
.no-scroll {
    overflow: hidden;
}

/* Jerarquía visual mejorada */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

/* Mejora en los espacios */
.section {
    margin-bottom: 2rem;
}

/* Botones mejorados */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-icon {
    width: 18px;
    height: 18px;
}