:root {
    --cepsa-primary: #e74c3c;
    --cepsa-primary-dark: #b7000f;
    --cepsa-primary-light: #ff4d4d;
    --cepsa-secondary: #0066cc;
    --cepsa-secondary-light: #4d94ff;
    --cepsa-dark: #1a1a1a;
    --cepsa-gray: #2d2d2d;
    --cepsa-light: #f8f9fa;
    --cepsa-white: #ffffff;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 90px;
}

/* Estilos base */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* Efecto de transición suave para todo el layout */
.app-container {
    height: 100vh;
    display: flex;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Sidebar mejorado */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--cepsa-primary) 0%, var(--cepsa-primary-dark) 100%);
    color: var(--cepsa-white);
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 100;
    position: relative;
}

/* Sidebar colapsado en desktop */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Botón toggle desktop */
.toggle-sidebar-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--cepsa-white);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.toggle-sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.toggle-sidebar-btn i {
    transition: transform 0.3s ease;
}

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

/* Ocultar texto del logo cuando está colapsado */
.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Secciones de navegación */
.nav-section {
    padding: 0 1rem 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-section:last-child {
    border-bottom: none;
}

.nav-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0 1rem 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    padding-left: 1.5rem;
}

.nav-section-title::after {
    content: '\F282';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.nav-section-title.collapsed::after {
    transform: translateY(-50%) rotate(-90deg);
}

/* Ocultar títulos de sección cuando el sidebar está colapsado */
.sidebar.collapsed .nav-section-title {
    opacity: 0;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/* Enlaces de navegación */
.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--cepsa-white);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin: 0.25rem 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--cepsa-secondary-light);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.nav-link:hover::before {
    transform: scaleY(1);
}

.nav-link i {
    font-size: 1.25rem;
    min-width: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.nav-link span {
    transition: all 0.3s ease;
    opacity: 1;
}

/* Ocultar texto de los links cuando está colapsado */
.sidebar.collapsed .nav-link span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 0.75rem 0;
}

.sidebar.collapsed .nav-link:hover {
    transform: none;
}

.sidebar.collapsed .nav-link::before {
    width: 100%;
    height: 4px;
    top: auto;
    bottom: 0;
    transform: scaleX(0);
    transform-origin: left;
}

.sidebar.collapsed .nav-link:hover::before {
    transform: scaleX(1);
}

/* Tooltip para enlaces cuando está colapsado */
.sidebar.collapsed .nav-link {
    position: relative;
}

.sidebar.collapsed .nav-link::after {
    content: attr(data-title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--cepsa-dark);
    color: var(--cepsa-white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    margin-left: 10px;
    transition: opacity 0.3s ease;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.sidebar.collapsed .nav-link:hover::after {
    opacity: 1;
}

/* Enlace de cerrar sesión */
.logout-link {
    margin-top: auto;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 0;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.logout-link:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

/* Contenido principal */
.main-content {
    flex-grow: 1;
    overflow-y: auto;
    max-height: 100vh;
    padding: 2rem;
    background-color: var(--cepsa-light);
    transition: all 0.3s ease;
}

/* Header móvil */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    height: 60px;
    background: linear-gradient(90deg, var(--cepsa-primary) 0%, var(--cepsa-primary-dark) 100%);
    color: var(--cepsa-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-header span {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

#toggle-menu {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--cepsa-white);
    cursor: pointer;
    transition: transform 0.3s ease;
}

#toggle-menu:hover {
    transform: scale(1.1);
}

/* Contenido de sección con transición */
.nav-section-content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-section-title.collapsed + .nav-section-content {
    max-height: 0;
    overflow: hidden;
}

/* Ocultar botón toggle en móvil */
@media (max-width: 767.98px) {
    .toggle-sidebar-btn {
        display: none;
    }

    .sidebar {
        position: fixed;
        left: calc(-1 * var(--sidebar-width));
        top: 0;
        height: 100%;
        z-index: 1000;
        width: var(--sidebar-width);
        padding-top: 1rem;
        transition: left 0.3s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .app-container {
        padding-top: 60px;
    }
}

/* Efecto de overlay cuando el sidebar está abierto en móvil */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.hoverEmpresa {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.hoverEmpresa:hover {
    color: #2563eb;
    transform: scale(1.02);
}

.hoverEmpresa::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

.hoverEmpresa:hover::after {
    width: 100%;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--cepsa-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cepsa-primary-dark);
}