html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

}

body {
    background: var(--color-bg-light);
    display: flex;
    min-height: 100vh;
}

#app {
    width: 100%;
}

/* Estructura principal */
.app-container {
    display: flex;
    width: 100%;
}

/* Sidebar */
.sidebar {
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    height: 100vh;
    width: 220px;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.2);
    z-index: 100;
    overflow: hidden;
}

    .sidebar.collapsed {
        width: 75px;
    }

/* Cabecera del sidebar */
.sidebar-header {
    padding: 20px 15px;
    border-bottom: 1px solid var(--sidebar-border);
    text-align: center;
}

.sidebar-logo {
    height: 50px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.sidebar.collapsed .sidebar-logo {
    height: 40px;
}

.toggle-btn {
    background: var(--sidebar-hover);
    border: 2px solid white;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: -15px;
}

    .toggle-btn:hover {
        background: var(--sidebar-active);
        transform: scale(1.1);
    }

/* Menú de navegación */
.sidebar-nav {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    background: rgba(0, 0, 0, 0.15);
}

    .nav-item:hover,
    .nav-item.active {
        background: var(--sidebar-hover);
    }

    .nav-item.active {
        background: var(--sidebar-active);
    }

.nav-icon {
    font-size: 20px;
    min-width: 30px;
    color: var(--sidebar-icon);
}

.nav-label {
    font-weight: 500;
    white-space: nowrap;
}

.submenu-arrow {
    margin-left: auto;
    font-size: 14px;
}

/* Submenús */
.submenu-container {
    margin-left: 15px;
    padding-left: 10px;
    border-left: 2px solid var(--sidebar-border);
    margin-top: 5px;
    display: none;
}

.submenu-open .submenu-container {
    display: block;
}

.submenu-item {
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 3px;
    color: var(--sidebar-icon);
    cursor: pointer;
}

    .submenu-item:hover,
    .submenu-item.active {
        background: var(--sidebar-hover);
        color: var(--sidebar-text);
    }

/* Sección de usuario */
.user-section {
    padding: 15px;
    border-top: 1px solid var(--sidebar-border);
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    width: 100%;
    color: var(--sidebar-text);
}

    .user-btn:hover {
        background: var(--sidebar-hover);
    }

.dropdown-menu {
    background: var(--sidebar-bg);
    border: 1px solid var(--sidebar-border);
    border-radius: 8px;
    width: 100%;
    margin-top: 5px;
}

.dropdown-item {
    padding: 10px 15px;
    color: var(--sidebar-icon);
    display: flex;
    align-items: center;
    gap: 10px;
}

    .dropdown-item:hover {
        background: var(--sidebar-hover);
        color: var(--sidebar-text);
    }

.dropdown-divider {
    border-color: var(--sidebar-border);
    margin: 5px 0;
}

/* Estilos para sidebar colapsado */
.sidebar.collapsed .nav-label,
.sidebar.collapsed .user-name,
.sidebar.collapsed .submenu-arrow {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

.sidebar.collapsed .user-btn {
    justify-content: center;
}

/* Contenido principal */
.main-content {
    flex-grow: 1;
    padding: 20px;
    margin-left: 220px;
    transition: margin-left 0.3s;
}

.sidebar.collapsed + .main-content {
    margin-left: 75px;
}

.content-header {
    margin-bottom: 30px;
}

    .content-header h1 {
        color: var(--color-primary);
        margin-bottom: 10px;
    }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.dashboard-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.card-icon {
    font-size: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

        .sidebar.open {
            transform: translateX(0);
        }

    .main-content {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 90;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: 5px;
        padding: 8px 15px;
    }
}